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  • Raptor Engine continued …

2 days back we covered the Layman's explanation of "What is full-flow staged combustion cycle" of Raptor Engine. Let's build on it further. 

The two pre-burners of Raptor Engine operate at non-optimum fuel to oxygen ratio. One being fuel-rich and other being oxygen-rich, powering the respective pumps. Fuel being used is Methane.

Q: Why Methane?

A: For the fuel-rich pre-burner, RP-1 can't be used as the exhaust (which has to go through the combustion chamber is not clean, with a significant presence of unburnt carbon. The other alternative Hydrogen requires higher volume tanks due to much lesser density and high molar ratios needed for combining with one unit of Oxygen. Methane gives cleaner exhaust and is closer to RP1 in density and fuel-oxygen ratios. Further in many other parameters, Methane performs in between RP1 and Hydrogen.

The other thought of the possibility of Methane being easy to manufacture on Mars by Sabatier process (used in ISS), while true, is not necessarily the cited reason.

Q: Is it best?

A: See, whatever SpaceX does (and will do), people will find a reason to say that their engine is the best & nothing could be better. When Merlin came out, a ton of articles was highlighting the best features (Thrust to weight) of that and now the same happens for Raptor (high thrust).

The thing to keep in mind is - for their specific requirement of a reliable, low cost, cheaper fuel, availability, they have "found" raptor to be "best suited" for. That doesn't make it "THE BEST". For example, when Merlin came out, many of you might not have even heard of chamber pressure thing. And now for Raptor, the highest chamber pressure is praised everywhere. (Merlin has got one of the lowest value for that)

Q: What is chamber pressure?

A: Consider it as the average pressure before the throat. Where it is exactly measured - at the tip of the injector or before combustion or after combustion - varies from firm to firm. F-1 measured at injector end. The important thing is higher the value, higher the thrust with potential to decrease engine size.

Send us your questions. We will continue on with Starship Development series.
  • Raptor Engine continued …

    2 days back we covered the Layman's explanation of "What is full-flow staged combustion cycle" of Raptor Engine. Let's build on it further.

    The two pre-burners of Raptor Engine operate at non-optimum fuel to oxygen ratio. One being fuel-rich and other being oxygen-rich, powering the respective pumps. Fuel being used is Methane.

    Q: Why Methane?

    A: For the fuel-rich pre-burner, RP-1 can't be used as the exhaust (which has to go through the combustion chamber is not clean, with a significant presence of unburnt carbon. The other alternative Hydrogen requires higher volume tanks due to much lesser density and high molar ratios needed for combining with one unit of Oxygen. Methane gives cleaner exhaust and is closer to RP1 in density and fuel-oxygen ratios. Further in many other parameters, Methane performs in between RP1 and Hydrogen.

    The other thought of the possibility of Methane being easy to manufacture on Mars by Sabatier process (used in ISS), while true, is not necessarily the cited reason.

    Q: Is it best?

    A: See, whatever SpaceX does (and will do), people will find a reason to say that their engine is the best & nothing could be better. When Merlin came out, a ton of articles was highlighting the best features (Thrust to weight) of that and now the same happens for Raptor (high thrust).

    The thing to keep in mind is - for their specific requirement of a reliable, low cost, cheaper fuel, availability, they have "found" raptor to be "best suited" for. That doesn't make it "THE BEST". For example, when Merlin came out, many of you might not have even heard of chamber pressure thing. And now for Raptor, the highest chamber pressure is praised everywhere. (Merlin has got one of the lowest value for that)

    Q: What is chamber pressure?

    A: Consider it as the average pressure before the throat. Where it is exactly measured - at the tip of the injector or before combustion or after combustion - varies from firm to firm. F-1 measured at injector end. The important thing is higher the value, higher the thrust with potential to decrease engine size.

    Send us your questions. We will continue on with Starship Development series.

  •  1,348  13  9 hours ago
  • FREEE UDEMY COURSES, for less than 24h ,lien dans ma bio #GO_NOW ⤴️⤴️⤴️⤴️🔝
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استغلوا الفرصة 🙏🏽
تجدون الرابط ⤴️⤴️⤴️ bio
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#onlinecourse #onlinecourses #education #onlinelearning #falcon #elearning #entrepreneur #course #learning #online #udemy #launch #motivation #training #onlinemarketing #students #workshop #lesbahasainggris #free #indonesia #learn #spacexlaunch #rocketscience #freecourses #spacexlanding #learnonline #spacexrocketlaunch #landing #onlinebusiness
  • FREEE UDEMY COURSES, for less than 24h ,lien dans ma bio #GO_NOW ⤴️⤴️⤴️⤴️🔝
    _______________________

    دروس يوديمي مجانية لوقت معين 🤗
    استغلوا الفرصة 🙏🏽
    تجدون الرابط ⤴️⤴️⤴️ bio
    _______________________________________________
    #onlinecourse #onlinecourses #education #onlinelearning #falcon #elearning #entrepreneur #course #learning #online #udemy #launch #motivation #training #onlinemarketing #students #workshop #lesbahasainggris #free #indonesia #learn #spacexlaunch #rocketscience #freecourses #spacexlanding #learnonline #spacexrocketlaunch #landing #onlinebusiness

  •  8  0  22 hours ago
  • 🇬🇧•On Aug 7 SpaceX Falcon 9 launched the latest set Starlink satellites, along with two BlackSky imaging satellites.
The Falcon 9 lifted off from Launch Complex 39A at the Kennedy Space Center at 1:12 a.m. Eastern. After a pair of burns, the upper stage deployed BlackSky’s Global-7 satellite nearly 62 minutes after launch, followed by the Global-8 satellite five minutes later. The primary payload, 57 Starlink satellites deployed 93 minutes after launch.
~•~
🇮🇹•Il 7 agosto il Falcon 9 della SpaceX ha lanciato l'ultimo set di satelliti Starlink, insieme a due satelliti di imaging BlackSky.
Il Falcon 9 è decollato dal Launch Complex 39A del Kennedy Space Center all'1:12 del mattino ET.  Dopo un paio di accensioni, lo stadio superiore ha rilasciato il satellite Global-7 di BlackSky quasi 62 minuti dopo il lancio, seguito dal satellite Global-8 cinque minuti dopo. Il carico principale, 57 satelliti Starlink, sono stati schierati 93 minuti dopo il lancio.

Credits: @spacex
  • 🇬🇧•On Aug 7 SpaceX Falcon 9 launched the latest set Starlink satellites, along with two BlackSky imaging satellites.
    The Falcon 9 lifted off from Launch Complex 39A at the Kennedy Space Center at 1:12 a.m. Eastern. After a pair of burns, the upper stage deployed BlackSky’s Global-7 satellite nearly 62 minutes after launch, followed by the Global-8 satellite five minutes later. The primary payload, 57 Starlink satellites deployed 93 minutes after launch.
    ~•~
    🇮🇹•Il 7 agosto il Falcon 9 della SpaceX ha lanciato l'ultimo set di satelliti Starlink, insieme a due satelliti di imaging BlackSky.
    Il Falcon 9 è decollato dal Launch Complex 39A del Kennedy Space Center all'1:12 del mattino ET. Dopo un paio di accensioni, lo stadio superiore ha rilasciato il satellite Global-7 di BlackSky quasi 62 minuti dopo il lancio, seguito dal satellite Global-8 cinque minuti dopo. Il carico principale, 57 satelliti Starlink, sono stati schierati 93 minuti dopo il lancio.

    Credits: @spacex

  •  207  3  8 August, 2020
  • Beautiful work done by a reddit user eliseimaslov. (If any one knows his/her Instagram, please let us know). 

We answered most of the questions asked in previous post on Raptor engine. Some great discussions were led by @astro_pratham_.jd, @umang_sudani, @popilrumeno, @swp_propulsion_systems. Great work guys.

From tomorrow we will continue on this series on Starship Development. Feel free to suggest topics and posts to cover.

Happy learning. :-) 
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~~
Check link in bio for 👇👇
📚 📚 📚 📚
Free ebook on Falcon 9.
🚀 🚀 🚀 🚀
Fundamentals of Rocket Science, 8h video series.
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Free Weekly Email newsletters on Rockets & Space.
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And also our Telgram Channel.

#space #spacex #spacexlanding #spacestation #spacefacts #spaceflight #spacecraft #spacexrocketlaunch #spacexfalconheavy #falcon9 #falcon9launch #falcon9landing #astronomy #BFR #starship #astrophysics #darkenergy #onlinecourses #onlinecourse #rocketscience #physicsfun #galaxies #physicslove #darkmatter #physics_lab #aerospace #aerospaceengineer #rocketslove
  • Beautiful work done by a reddit user eliseimaslov. (If any one knows his/her Instagram, please let us know).

    We answered most of the questions asked in previous post on Raptor engine. Some great discussions were led by @astro_pratham_.jd, @umang_sudani, @popilrumeno, @swp_propulsion_systems. Great work guys.

    From tomorrow we will continue on this series on Starship Development. Feel free to suggest topics and posts to cover.

    Happy learning. :-)
    .
    .
    .
    ~~
    Check link in bio for 👇👇
    📚 📚 📚 📚
    Free ebook on Falcon 9.
    🚀 🚀 🚀 🚀
    Fundamentals of Rocket Science, 8h video series.
    ♠️ ♦️ ♠️ ♦️
    Playing cards on Rocket Science.
    📧 📧 📧 📧
    Free Weekly Email newsletters on Rockets & Space.
    >>>>>
    And also our Telgram Channel.

    #space #spacex #spacexlanding #spacestation #spacefacts #spaceflight #spacecraft #spacexrocketlaunch #spacexfalconheavy #falcon9 #falcon9launch #falcon9landing #astronomy #BFR #starship #astrophysics #darkenergy #onlinecourses #onlinecourse #rocketscience #physicsfun #galaxies #physicslove #darkmatter #physics_lab #aerospace #aerospaceengineer #rocketslove

  •  2,675  38  8 August, 2020
  • Bertempat di Boca Chica, Texas, SpaceX sukses melakukan uji coba terhadap prototype Starship.⁣
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Uji Coba ini dilakukan dengan menerbangkan prototype setinggi 150m, lalu didaratkan kembali pada titik beberapa meter dari tempat lepas landas.⁣
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Kesuksesan ini pun menjadi titik terang baru bagi spaceX setelah 4 kendaraan prototype mereka terbakar dan meledak sebelum lepas landas.⁣
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Pengujian yang disebut ebagai "Hop" ini dilakukan untuk menguji pengendalian saat mendarat dan lepas landas.⁣
⁣
Starship sendiri memang dirancang untuk bisa lepas landas dan mendarat secara mandiri atau autonomous bahkan di planet lain.⁣
⁣
Meskipun prototype yang sukses lepas landas dan mendarat kali ini masih berbentuk jauh dari konsep starship yang sebenarnya.⁣
⁣
Starship dirancang untuk memiliki tinggi hingga 121 meter, 6 mesin raptor, dan mampu membawa beban hingga 100 ton.⁣
⁣
Sedangkan kendaraan uji coba ini jauh lebih kecil dan hanya dilengkapi 1 mesin raptor saja.⁣
⁣
Starship juga dirancang untuk dipasangkan pada roket rasaksa yang pada awalnya disebut sebagai Big Falcon Rocket atau Super Heavy dan mampu terbang ke bulan dan mars.⁣
⁣
Kedepannya, SpaceX juga akan kembali melakukan uji coba untuk prototype starship dengan lompatan yang lebih tinggi dan mesin raptor yang lebih banyak.⁣
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 #elonmusk #elonmuskmemes #infoteknologiid #elonmuskmeme #elonmuskquotes #bukusains #luarangkasa #infoteknoterupdate #infoteknologi #spacexrocket #spacexfalcon9 #elonmuskisagenius #spacexfalconheavy #spacex #spacexlaunch #spacexploration #sains #infotekno #spacexlanding #spacexdragon #elonmusknews #spacexrocketlaunch
  • Bertempat di Boca Chica, Texas, SpaceX sukses melakukan uji coba terhadap prototype Starship.⁣

    Uji Coba ini dilakukan dengan menerbangkan prototype setinggi 150m, lalu didaratkan kembali pada titik beberapa meter dari tempat lepas landas.⁣

    Kesuksesan ini pun menjadi titik terang baru bagi spaceX setelah 4 kendaraan prototype mereka terbakar dan meledak sebelum lepas landas.⁣

    Pengujian yang disebut ebagai "Hop" ini dilakukan untuk menguji pengendalian saat mendarat dan lepas landas.⁣

    Starship sendiri memang dirancang untuk bisa lepas landas dan mendarat secara mandiri atau autonomous bahkan di planet lain.⁣

    Meskipun prototype yang sukses lepas landas dan mendarat kali ini masih berbentuk jauh dari konsep starship yang sebenarnya.⁣

    Starship dirancang untuk memiliki tinggi hingga 121 meter, 6 mesin raptor, dan mampu membawa beban hingga 100 ton.⁣

    Sedangkan kendaraan uji coba ini jauh lebih kecil dan hanya dilengkapi 1 mesin raptor saja.⁣

    Starship juga dirancang untuk dipasangkan pada roket rasaksa yang pada awalnya disebut sebagai Big Falcon Rocket atau Super Heavy dan mampu terbang ke bulan dan mars.⁣

    Kedepannya, SpaceX juga akan kembali melakukan uji coba untuk prototype starship dengan lompatan yang lebih tinggi dan mesin raptor yang lebih banyak.⁣












    #elonmusk #elonmuskmemes #infoteknologiid #elonmuskmeme #elonmuskquotes #bukusains #luarangkasa #infoteknoterupdate #infoteknologi #spacexrocket #spacexfalcon9 #elonmuskisagenius #spacexfalconheavy #spacex #spacexlaunch #spacexploration #sains #infotekno #spacexlanding #spacexdragon #elonmusknews #spacexrocketlaunch

  •  24  1  8 August, 2020
  • SpaceX and @Nasa completing a full rehearsal of launch day activities with NASA astronauts Bob Behnken and Doug Hurley ahead of Crew Demo-2.
📸 @SpaceX
  • SpaceX and @Nasa completing a full rehearsal of launch day activities with NASA astronauts Bob Behnken and Doug Hurley ahead of Crew Demo-2.
    📸 @SpaceX

  •  10  1  7 August, 2020
  • Stunning sunrise captured at Domoni Crater by NASA's Spirit Mars rover in 2005!

These images remind us how beautiful of a mission we set out for ourselves. Going to Mars is one of the bravest tasks humanity has taken on, and I cannot wait to see how this journey will unfold.

One day we could be seeing this sunrise with our own eyes! What are your thoughts right now? 🤔
  • Stunning sunrise captured at Domoni Crater by NASA's Spirit Mars rover in 2005!

    These images remind us how beautiful of a mission we set out for ourselves. Going to Mars is one of the bravest tasks humanity has taken on, and I cannot wait to see how this journey will unfold.

    One day we could be seeing this sunrise with our own eyes! What are your thoughts right now? 🤔

  •  981  12  7 August, 2020
  • Yesterday, we covered the meaning and working of full-flow staged combustion engine cycle which the Raptor engine has got.

We invite you to ask any question related to this - Raptor Engine, Staged combustion, Combustion cycles, Starhopper. Put it in comments. We will answer it.
.
.
.
~~
Check link in bio for 👇👇
📚 📚 📚 📚
Free ebook on Falcon 9.
🚀 🚀 🚀 🚀
Fundamentals of Rocket Science, 8h video series.
♠️ ♦️ ♠️ ♦️
Playing cards on Rocket Science.
📧 📧 📧 📧
Free Weekly Email newsletters on Rockets & Space.
>>>>>
And also our Telgram Channel.

#space #spacex #spacexlanding #spacestation #spacefacts #spaceflight #spacecraft #spacexrocketlaunch #spacexfalconheavy #falcon9 #falcon9launch #falcon9landing #astronomy #BFR #starship #astrophysics #darkenergy #onlinecourses #onlinecourse #rocketscience #physicsfun #galaxies #physicslove #darkmatter #physics_lab #aerospace #aerospaceengineer #rocketslove
  • Yesterday, we covered the meaning and working of full-flow staged combustion engine cycle which the Raptor engine has got.

    We invite you to ask any question related to this - Raptor Engine, Staged combustion, Combustion cycles, Starhopper. Put it in comments. We will answer it.
    .
    .
    .
    ~~
    Check link in bio for 👇👇
    📚 📚 📚 📚
    Free ebook on Falcon 9.
    🚀 🚀 🚀 🚀
    Fundamentals of Rocket Science, 8h video series.
    ♠️ ♦️ ♠️ ♦️
    Playing cards on Rocket Science.
    📧 📧 📧 📧
    Free Weekly Email newsletters on Rockets & Space.
    >>>>>
    And also our Telgram Channel.

    #space #spacex #spacexlanding #spacestation #spacefacts #spaceflight #spacecraft #spacexrocketlaunch #spacexfalconheavy #falcon9 #falcon9launch #falcon9landing #astronomy #BFR #starship #astrophysics #darkenergy #onlinecourses #onlinecourse #rocketscience #physicsfun #galaxies #physicslove #darkmatter #physics_lab #aerospace #aerospaceengineer #rocketslove

  •  1,012  145  7 August, 2020
  • These are the astronauts that will be flying in the next crewed missions of the Dragon spacecraft!
As a curiosity, Megan McArthur is married with Robert Behnken, who flight in the first crewed Dragon mission!
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Follow @spacentravel
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#astronauts #nasa #nasa🚀 #nasashirt #spacex #spaceshuttle #spaceflight #marsrover #spacelover #spacexlaunch #spacexfalcon9 #spacexdragon #spacex_starship #spacexlanding #spacexploration #spacexrocket #planet #spacexstarship #spacexfalconheavy #spacexnews #spacexmemes #spacexrocketlaunch #spacexhoax #spacexcrewdragon #spacetravel #cosmology #spacesuit #spacewalk #spacetime #spacentravel
  • These are the astronauts that will be flying in the next crewed missions of the Dragon spacecraft!
    As a curiosity, Megan McArthur is married with Robert Behnken, who flight in the first crewed Dragon mission!
    .
    .
    .
    Follow @spacentravel
    .
    .
    .
    #astronauts #nasa #nasa🚀 #nasashirt #spacex #spaceshuttle #spaceflight #marsrover #spacelover #spacexlaunch #spacexfalcon9 #spacexdragon #spacex_starship #spacexlanding #spacexploration #spacexrocket #planet #spacexstarship #spacexfalconheavy #spacexnews #spacexmemes #spacexrocketlaunch #spacexhoax #spacexcrewdragon #spacetravel #cosmology #spacesuit #spacewalk #spacetime #spacentravel

  •  12  0  7 August, 2020
  • Let us learn Raptor Engine's Full-flow staged combustion, from basics.

First: Staged Combustion (Closed Cycle)

You have got two propellants. Fuel & Oxygen. In their independent cylinders. They both have to meet in combustion chamber to ignite and produce a massive amount of thrust. So we connect high-pressure pumps which pump the propellants out to meet down the line in the combustion chamber. Now the pumps also need energy to run. So, we bring an intermediate "stage". The pumps, pump the propellant to pre-burner — a mini-engine. Here a mini-combustion happens which then runs a turbine and this turbine powers the pumps and makes everything above go in a cycle.

Let's build on this further.

In the combustion chamber, the ratio of propellants is kept optimum. To utilize the right amount of oxygen to burn the complete fuel. This optimisation if done in the mini-engine will lead to a very high temperature, which would pose a difficulty for the turbine and min-engine. So what we do is, force a non-optimum propellant ratio go through the pre-burner. Send all of the one propellant and a tiny amount of other. So the pre-burner is either Fuel rich or Oxygen rich.

After the pre-burner runs the turbine, the entire exhaust is forced to go through the combustion chamber, so that whatever "extra" propellant it was having, undergoes combustion. This is called Propellant-rich staged combustion. The propellant can be fuel/oxygen.

Let's build further.

Until now we are having one preburner (mini-engine) pumping both propellants. In some cases, the amount of fuel & propellant needed to be pumped can be quite similar and for some it can be very different. For the later case, each will need its own pre-burner. So, now there can be two engine types. One having the same propellant rich pre-burner for both the pumps or having fuel-rich pre-burner for fuel pump and oxygen rich pre-burner for oxygen pump. The first case is called "Propellant-rich dual shaft/burner staged combustion" and the second case is called "Full flow staged combustion".

I hope the above was clear. Feel free to ask questions. Pros & cons of each type will be in next post.
  • Let us learn Raptor Engine's Full-flow staged combustion, from basics.

    First: Staged Combustion (Closed Cycle)

    You have got two propellants. Fuel & Oxygen. In their independent cylinders. They both have to meet in combustion chamber to ignite and produce a massive amount of thrust. So we connect high-pressure pumps which pump the propellants out to meet down the line in the combustion chamber. Now the pumps also need energy to run. So, we bring an intermediate "stage". The pumps, pump the propellant to pre-burner — a mini-engine. Here a mini-combustion happens which then runs a turbine and this turbine powers the pumps and makes everything above go in a cycle.

    Let's build on this further.

    In the combustion chamber, the ratio of propellants is kept optimum. To utilize the right amount of oxygen to burn the complete fuel. This optimisation if done in the mini-engine will lead to a very high temperature, which would pose a difficulty for the turbine and min-engine. So what we do is, force a non-optimum propellant ratio go through the pre-burner. Send all of the one propellant and a tiny amount of other. So the pre-burner is either Fuel rich or Oxygen rich.

    After the pre-burner runs the turbine, the entire exhaust is forced to go through the combustion chamber, so that whatever "extra" propellant it was having, undergoes combustion. This is called Propellant-rich staged combustion. The propellant can be fuel/oxygen.

    Let's build further.

    Until now we are having one preburner (mini-engine) pumping both propellants. In some cases, the amount of fuel & propellant needed to be pumped can be quite similar and for some it can be very different. For the later case, each will need its own pre-burner. So, now there can be two engine types. One having the same propellant rich pre-burner for both the pumps or having fuel-rich pre-burner for fuel pump and oxygen rich pre-burner for oxygen pump. The first case is called "Propellant-rich dual shaft/burner staged combustion" and the second case is called "Full flow staged combustion".

    I hope the above was clear. Feel free to ask questions. Pros & cons of each type will be in next post.

  •  1,918  39  6 August, 2020
  • Starhopper: A small hop towards a big dream.

Starship Development Series, Part 1

The integrated system testing of a proof of concept for Starship began in March 2019, with the addition of a single Raptor rocket engine to a reduced-height prototype, nicknamed Starhopper—similar to Grasshopper, an equivalent prototype of the Falcon 9 reusable booster. Starhopper was used from April through August 2019 for static testing and low-altitude, low-velocity flight testing of vertical launches and landings.

The usage of Stainless steel material instead of carbon fiber composites is one of the many counter-intuitive design steps taken in the entire Startship program.

Stainless steel has two main crystalline structures - martensitic (400 series) & austenitic (300 series). From the point of cryogenic applications, the 300 series offers much better strength and tougness than the other available options. In Elon's words, "Most steels, as you get to cryogenic temperatures, become very brittle. That’s true of most steels, but not of stainless steel that has a high chrome-nickel content. That actually increases in strength, and ductility is still very high. So you have, like, 12% to 18% ductility at, say, 72 degrees Kelvin (-330 degrees Fahrenheit). Very ductile, very tough. No fracture issues. "
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Follow @officialspacecuriosity for more space stories
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#space #spacex #spacexlanding #spacestation #spacefacts #spaceflight #spacecraft #spacexrocketlaunch #spacexfalconheavy #falcon9 #falcon9launch #falcon9landing #astronomy #BFR #starship #astrophysics #darkenergy #onlinecourses #onlinecourse #rocketscience #physicsfun #galaxies #physicslove #darkmatter #physics_lab #aerospace #aerospaceengineer #rocketslove
  • Starhopper: A small hop towards a big dream.

    Starship Development Series, Part 1

    The integrated system testing of a proof of concept for Starship began in March 2019, with the addition of a single Raptor rocket engine to a reduced-height prototype, nicknamed Starhopper—similar to Grasshopper, an equivalent prototype of the Falcon 9 reusable booster. Starhopper was used from April through August 2019 for static testing and low-altitude, low-velocity flight testing of vertical launches and landings.

    The usage of Stainless steel material instead of carbon fiber composites is one of the many counter-intuitive design steps taken in the entire Startship program.

    Stainless steel has two main crystalline structures - martensitic (400 series) & austenitic (300 series). From the point of cryogenic applications, the 300 series offers much better strength and tougness than the other available options. In Elon's words, "Most steels, as you get to cryogenic temperatures, become very brittle. That’s true of most steels, but not of stainless steel that has a high chrome-nickel content. That actually increases in strength, and ductility is still very high. So you have, like, 12% to 18% ductility at, say, 72 degrees Kelvin (-330 degrees Fahrenheit). Very ductile, very tough. No fracture issues. "
    .
    .
    .
    Follow @officialspacecuriosity for more space stories
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    .
    .
    .

    #space #spacex #spacexlanding #spacestation #spacefacts #spaceflight #spacecraft #spacexrocketlaunch #spacexfalconheavy #falcon9 #falcon9launch #falcon9landing #astronomy #BFR #starship #astrophysics #darkenergy #onlinecourses #onlinecourse #rocketscience #physicsfun #galaxies #physicslove #darkmatter #physics_lab #aerospace #aerospaceengineer #rocketslove

  •  54  0  6 August, 2020
  • SpaceX is developing a fully reusable rocket system called Starship-Super Heavy in Boca Chica, Texas.

The latest Starship prototype, called SN5, performed an experimental "hop" hundreds of feet into the air on Tuesday.

The roughly 16-story vehicle soared off the launch pad, flew for about 40 seconds, and then landed downrange.

Several live video feeds on YouTube — including SPadre, LabPadre, and NASASpaceFlight — recorded footage of the long-awaited test flight.

#spacex #spacex_starship #spacexlaunch #spacexstarlink #spacexproject #spacexnet #spacexstarlink #elonmusk #elonmusknews #elonmuskmemes #elonmusktweets #elonmuskinnovation #spacex🚀 #spacexrocket #starshiptroopers #starship #texas #usa #technolg #spaceshuttle #spacexrocketlaunch
  • SpaceX is developing a fully reusable rocket system called Starship-Super Heavy in Boca Chica, Texas.

    The latest Starship prototype, called SN5, performed an experimental "hop" hundreds of feet into the air on Tuesday.

    The roughly 16-story vehicle soared off the launch pad, flew for about 40 seconds, and then landed downrange.

    Several live video feeds on YouTube — including SPadre, LabPadre, and NASASpaceFlight — recorded footage of the long-awaited test flight.

    #spacex #spacex_starship #spacexlaunch #spacexstarlink #spacexproject #spacexnet #spacexstarlink #elonmusk #elonmusknews #elonmuskmemes #elonmusktweets #elonmuskinnovation #spacex🚀 #spacexrocket #starshiptroopers #starship #texas #usa #technolg #spaceshuttle #spacexrocketlaunch

  •  67  2  5 August, 2020
  • Starhopper: Raptor Engine

Starship Development Series, Part 2

Continuing with series, let's learn a bit about the Raptor Engine.
In July 2019, the Starhopper made its initial flight test, a "hop" of approximately 20 m (66 ft) altitude, and a second and final "hop" in August, reaching an altitude of approximately 150 m (490 ft) and landing approximately 100 m (110 yds) from the launchpad, demonstrating the first use of the Raptor engine in real flight. With these small hops, the Raptor engine became the first full-flow staged combustion rocket engine ever flown.

The Raptor engine will be used in both the stages of the Starship. Raptor is a one-of-its-kind full-flow staged combustion engine using methane and oxygen as the propellants. While Falcon 9 and Falcon Heavy are powered by Merlin engines, which are gas generator based open cycle engines, Starship had to go with the Raptor engine.

We will be discussing the working and reasons for the usage of this engine in the coming posts, in detail.

Please mention your questions in regards to Starhopper and Raptor engines in comments and we will cover it in our next posts.

To be continued …

Was it informative? Any questions? Let us know in comments.
~~
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📚 📚 📚 📚
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#space #spacex #spacexlanding #spacestation #spacefacts #spaceflight #spacecraft #spacexrocketlaunch #spacexfalconheavy #falcon9 #falcon9launch #falcon9landing #astronomy #BFR #starship #astrophysics #darkenergy #onlinecourses #onlinecourse #rocketscience #physicsfun #galaxies #physicslove #darkmatter #physics_lab #aerospace #aerospaceengineer #rocketslove
  • Starhopper: Raptor Engine

    Starship Development Series, Part 2

    Continuing with series, let's learn a bit about the Raptor Engine.
    In July 2019, the Starhopper made its initial flight test, a "hop" of approximately 20 m (66 ft) altitude, and a second and final "hop" in August, reaching an altitude of approximately 150 m (490 ft) and landing approximately 100 m (110 yds) from the launchpad, demonstrating the first use of the Raptor engine in real flight. With these small hops, the Raptor engine became the first full-flow staged combustion rocket engine ever flown.

    The Raptor engine will be used in both the stages of the Starship. Raptor is a one-of-its-kind full-flow staged combustion engine using methane and oxygen as the propellants. While Falcon 9 and Falcon Heavy are powered by Merlin engines, which are gas generator based open cycle engines, Starship had to go with the Raptor engine.

    We will be discussing the working and reasons for the usage of this engine in the coming posts, in detail.

    Please mention your questions in regards to Starhopper and Raptor engines in comments and we will cover it in our next posts.

    To be continued …

    Was it informative? Any questions? Let us know in comments.
    ~~
    Check link in bio for 👇👇
    📚 📚 📚 📚
    Free ebook on Falcon 9.
    🚀 🚀 🚀 🚀
    Fundamentals of Rocket Science, 8h video series.
    ♠️ ♦️ ♠️ ♦️
    Playing cards on Rocket Science.
    📧 📧 📧 📧
    Free Weekly Email newsletters on Rockets & Space.
    >>>>>
    And also our Telgram Channel.

    #space #spacex #spacexlanding #spacestation #spacefacts #spaceflight #spacecraft #spacexrocketlaunch #spacexfalconheavy #falcon9 #falcon9launch #falcon9landing #astronomy #BFR #starship #astrophysics #darkenergy #onlinecourses #onlinecourse #rocketscience #physicsfun #galaxies #physicslove #darkmatter #physics_lab #aerospace #aerospaceengineer #rocketslove

  •  3,561  43  5 August, 2020
  • complete SpaceX and NASA Demo-2 infographic poster celebrating Bob and Doug’s heroic achievement. Download a free readable version from www.tonybela.com
congratulations  to both team spacex and team NASA on this historic achievement.

#rocketscience #spacex #nasa #falcon #space #rocket #aerospace #science #launch #spacexlaunch #rockets #spacecraft #spaceflight #aerospaceengineering #elonmusk #physics #engineering #mars #blueorigin #rocketlaunch #usa #spacexlanding #spacestation #aerospaceengineer #spaceship #spacexrocketlaunch #falconheavy #universe #spacefacts #bhfyp
  • complete SpaceX and NASA Demo-2 infographic poster celebrating Bob and Doug’s heroic achievement. Download a free readable version from www.tonybela.com
    congratulations to both team spacex and team NASA on this historic achievement.

    #rocketscience #spacex #nasa #falcon #space #rocket #aerospace #science #launch #spacexlaunch #rockets #spacecraft #spaceflight #aerospaceengineering #elonmusk #physics #engineering #mars #blueorigin #rocketlaunch #usa #spacexlanding #spacestation #aerospaceengineer #spaceship #spacexrocketlaunch #falconheavy #universe #spacefacts #bhfyp

  •  16  0  4 August, 2020
  • Starhopper: A small hop towards a big dream.

Starship Development Series, Part 1

The integrated system testing of a proof of concept for Starship began in March 2019, with the addition of a single Raptor rocket engine to a reduced-height prototype, nicknamed Starhopper—similar to Grasshopper, an equivalent prototype of the Falcon 9 reusable booster. Starhopper was used from April through August 2019 for static testing and low-altitude, low-velocity flight testing of vertical launches and landings.

The usage of Stainless steel material instead of carbon fiber composites is one of the many counter-intuitive design steps taken in the entire Startship program.

Stainless steel has two main crystalline structures - martensitic (400 series) & austenitic (300 series). From the point of cryogenic applications, the 300 series offers much better strength and tougness than the other available options. In Elon's words, "Most steels, as you get to cryogenic temperatures, become very brittle. That’s true of most steels, but not of stainless steel that has a high chrome-nickel content. That actually increases in strength, and ductility is still very high. So you have, like, 12% to 18% ductility at, say, 72 degrees Kelvin (-330 degrees Fahrenheit). Very ductile, very tough. No fracture issues. "

To be continued …

Was it informative? Any questions? Let us know in comments.
~~
Check link in bio for 👇👇
📚 📚 📚 📚
Free ebook on Falcon 9.
🚀 🚀 🚀 🚀
Fundamentals of Rocket Science, 8h video series.
♠️ ♦️ ♠️ ♦️
Playing cards on Rocket Science.
📧 📧 📧 📧
Free Weekly Email newsletters on Rockets & Space.
>>>>>
And also our Telgram Channel.

#space #spacex #spacexlanding #spacestation #spacefacts #spaceflight #spacecraft #spacexrocketlaunch #spacexfalconheavy #falcon9 #falcon9launch #falcon9landing #astronomy #BFR #starship #astrophysics #darkenergy #onlinecourses #onlinecourse #rocketscience #physicsfun #galaxies #physicslove #darkmatter #physics_lab #aerospace #aerospaceengineer #rocketslove
  • Starhopper: A small hop towards a big dream.

    Starship Development Series, Part 1

    The integrated system testing of a proof of concept for Starship began in March 2019, with the addition of a single Raptor rocket engine to a reduced-height prototype, nicknamed Starhopper—similar to Grasshopper, an equivalent prototype of the Falcon 9 reusable booster. Starhopper was used from April through August 2019 for static testing and low-altitude, low-velocity flight testing of vertical launches and landings.

    The usage of Stainless steel material instead of carbon fiber composites is one of the many counter-intuitive design steps taken in the entire Startship program.

    Stainless steel has two main crystalline structures - martensitic (400 series) & austenitic (300 series). From the point of cryogenic applications, the 300 series offers much better strength and tougness than the other available options. In Elon's words, "Most steels, as you get to cryogenic temperatures, become very brittle. That’s true of most steels, but not of stainless steel that has a high chrome-nickel content. That actually increases in strength, and ductility is still very high. So you have, like, 12% to 18% ductility at, say, 72 degrees Kelvin (-330 degrees Fahrenheit). Very ductile, very tough. No fracture issues. "

    To be continued …

    Was it informative? Any questions? Let us know in comments.
    ~~
    Check link in bio for 👇👇
    📚 📚 📚 📚
    Free ebook on Falcon 9.
    🚀 🚀 🚀 🚀
    Fundamentals of Rocket Science, 8h video series.
    ♠️ ♦️ ♠️ ♦️
    Playing cards on Rocket Science.
    📧 📧 📧 📧
    Free Weekly Email newsletters on Rockets & Space.
    >>>>>
    And also our Telgram Channel.

    #space #spacex #spacexlanding #spacestation #spacefacts #spaceflight #spacecraft #spacexrocketlaunch #spacexfalconheavy #falcon9 #falcon9launch #falcon9landing #astronomy #BFR #starship #astrophysics #darkenergy #onlinecourses #onlinecourse #rocketscience #physicsfun #galaxies #physicslove #darkmatter #physics_lab #aerospace #aerospaceengineer #rocketslove

  •  3,411  38  4 August, 2020
  • 🚀 La Crew Dragon de SpaceX ya está de vuelta en la Tierra. Después de llevar con éxito a dos astronautas de la NASA a la ISS semanas atrás cuando se acopló a la ISS, ahora los ha traído de vueltas descendiendo en el Golfo de México. Un viaje de 20 horas que ha completado sin ningún problema relevante y confirma así a SpaceX como la primera compañía privada en transportar astronautas de la NASA 🚀⁠
.⁠
Tal y como ha reportado la NASA, los astronautas Bob Behnken y Doug Hurley regresaron con seguridad a la Tierra dentro de la cápsula de SpaceX tras dos meses en la Estación Espacial Internacional. A las 2:48 PM ET tocaron agua en el Golfo de México en el Océano Atlántico, donde fueron rescatados por los botes de recuperación 🛥️⁠
.⁠
Durante el día de ayer la Crew Dragon se separó de la ISS y comenzó su viaje de aproximadamente 20 horas de vuelta hacia la Tierra. Finalmente comenzó a atravesar la atmósfera para descender en picado a toda velocidad (y a temperaturas de hasta 1.900 grados centígrados) hacia el océano. Para evitar el impacto, como es de esperar, la cápsula desplegó los paracaídas que frenaron su aterrizaje⁠
.⁠
Con la misión completada con éxito se allana el camino para que SpaceX (y en realidad más compañías privadas) sea un aliado de la NASA para sus futuras misiones. De hecho ya tiene programadas dos misiones más para septiembre de este año y primavera de 2021, misiones en las que también llevará a personas al espacio⁠
.⁠
#spacex #spacexfalcon9 #spacexlanding #spacexrocket #spacexrocketlaunch #spacexploration #spacexdragon #spacexlaunch #spacexfalconheavy #spacexnews #spacexstarship #spacexhoax #spacexmemes #spacexcrewdragon #elonmusk #elonmusknews #elonmuskquotes #elonmuskisagenius #elonmusktesla #elonmuskforpresident #elonmuskspacex #elonmuskfan #elonmuskbaby #elonmuskquote
  • 🚀 La Crew Dragon de SpaceX ya está de vuelta en la Tierra. Después de llevar con éxito a dos astronautas de la NASA a la ISS semanas atrás cuando se acopló a la ISS, ahora los ha traído de vueltas descendiendo en el Golfo de México. Un viaje de 20 horas que ha completado sin ningún problema relevante y confirma así a SpaceX como la primera compañía privada en transportar astronautas de la NASA 🚀⁠
    .⁠
    Tal y como ha reportado la NASA, los astronautas Bob Behnken y Doug Hurley regresaron con seguridad a la Tierra dentro de la cápsula de SpaceX tras dos meses en la Estación Espacial Internacional. A las 2:48 PM ET tocaron agua en el Golfo de México en el Océano Atlántico, donde fueron rescatados por los botes de recuperación 🛥️⁠
    .⁠
    Durante el día de ayer la Crew Dragon se separó de la ISS y comenzó su viaje de aproximadamente 20 horas de vuelta hacia la Tierra. Finalmente comenzó a atravesar la atmósfera para descender en picado a toda velocidad (y a temperaturas de hasta 1.900 grados centígrados) hacia el océano. Para evitar el impacto, como es de esperar, la cápsula desplegó los paracaídas que frenaron su aterrizaje⁠
    .⁠
    Con la misión completada con éxito se allana el camino para que SpaceX (y en realidad más compañías privadas) sea un aliado de la NASA para sus futuras misiones. De hecho ya tiene programadas dos misiones más para septiembre de este año y primavera de 2021, misiones en las que también llevará a personas al espacio⁠
    .⁠
    #spacex #spacexfalcon9 #spacexlanding #spacexrocket #spacexrocketlaunch #spacexploration #spacexdragon #spacexlaunch #spacexfalconheavy #spacexnews #spacexstarship #spacexhoax #spacexmemes #spacexcrewdragon #elonmusk #elonmusknews #elonmuskquotes #elonmuskisagenius #elonmusktesla #elonmuskforpresident #elonmuskspacex #elonmuskfan #elonmuskbaby #elonmuskquote

  •  36  0  3 August, 2020

Top #spacexrocketlaunch Posts

  • A dream doesn’t become reality through magic; it takes sweat, determination and hard work
 Colin Powell
.
( photo from @spacex )
  • A dream doesn’t become reality through magic; it takes sweat, determination and hard work
    Colin Powell
    .
    ( photo from @spacex )

  •  9,610  156  9 June, 2020
  • Elon giving tour to president Obama around cape canerval space station 
Follow @elonmuskvibe 
Follow @elonmuskvibe
  • Elon giving tour to president Obama around cape canerval space station
    Follow @elonmuskvibe
    Follow @elonmuskvibe

  •  4,279  39  21 July, 2020
  • When starting SpaceX I thought the odds of success were less than 10%, and I just accepted that I would probably just lose everything. But that maybe we would make some progress. If we could just move the ball forward, even if we died some other company could pick up the baton and keep moving it forward. So that would still do some good
Elon Musk 
.
( photo from @spacex )
  • When starting SpaceX I thought the odds of success were less than 10%, and I just accepted that I would probably just lose everything. But that maybe we would make some progress. If we could just move the ball forward, even if we died some other company could pick up the baton and keep moving it forward. So that would still do some good
    Elon Musk
    .
    ( photo from @spacex )

  •  1,296  10  30 June, 2020
  • The new Starman suit ist quite fancy. Designed by a Hollywood artist it looks like it's from the future. But It has one thing in common with the Old suits and that is the wrist mirror. ⁠
Follow @beyondbeliev3 for more amazing space knowledge. ⁠
⁠
The spacesuit, also known as 'Starman suit' was first revealed to the general public by SpaceX in September 2017 and it derived its name from a mannequin, called 'Starman' which wore the suit during the maiden launch of the Falcon Heavy in February 2018. The suit was reportedly designed by Jose Fernandez, a designer known for his works for famous sci-fi superhero movies and SpaceX founder Elon Musk himself. The design of the suit was later reverse engineered by SpaceX engineers. ⁠
⁠
The helmets are 3D-printed and the gloves are touchscreen-sensitive. ⁠
⁠
But their primary purpose remains the same - to protect crew members from depressurization, where the air is lost from the capsule. The suits also ensure astronauts have sufficient oxygen and regulate their temperature. A communications link and breathable air are provided via a single "umbilical" cable in the seat that plugs into the suit. ⁠
⁠
But the mirror remains one of the most important parts. It is used by the astronauts to see things behind or to their left and right. Because the suits and especially the helmet is quite rigid they can not move their helmet that much. They need to turn their whole body to see behind them. That's where the mirrors come into play. Actually, all Spacesuits have this feature. ⁠
⁠
⁠
Follow @beyondbeliev3 for more amazing space knowledge. ⁠
⁠
⁠
⁠
#spacexnews #spacexrocketlaunch #spacex #spacexlaunch #spacexfalcon9 #spacexdragon #spacex_starship #spacexlanding #spacexrocket #spacexfalconheavy #spacetime #scientists #scienceiscool #physicsfun #scienceclass #sciencerocks #astrophysics #scienceeducation #astrofacts #scienceexperiment #astrophysics #cosmology
  • The new Starman suit ist quite fancy. Designed by a Hollywood artist it looks like it's from the future. But It has one thing in common with the Old suits and that is the wrist mirror. ⁠
    Follow @beyondbeliev3 for more amazing space knowledge. ⁠

    The spacesuit, also known as 'Starman suit' was first revealed to the general public by SpaceX in September 2017 and it derived its name from a mannequin, called 'Starman' which wore the suit during the maiden launch of the Falcon Heavy in February 2018. The suit was reportedly designed by Jose Fernandez, a designer known for his works for famous sci-fi superhero movies and SpaceX founder Elon Musk himself. The design of the suit was later reverse engineered by SpaceX engineers. ⁠

    The helmets are 3D-printed and the gloves are touchscreen-sensitive. ⁠

    But their primary purpose remains the same - to protect crew members from depressurization, where the air is lost from the capsule. The suits also ensure astronauts have sufficient oxygen and regulate their temperature. A communications link and breathable air are provided via a single "umbilical" cable in the seat that plugs into the suit. ⁠

    But the mirror remains one of the most important parts. It is used by the astronauts to see things behind or to their left and right. Because the suits and especially the helmet is quite rigid they can not move their helmet that much. They need to turn their whole body to see behind them. That's where the mirrors come into play. Actually, all Spacesuits have this feature. ⁠


    Follow @beyondbeliev3 for more amazing space knowledge. ⁠



    #spacexnews #spacexrocketlaunch #spacex #spacexlaunch #spacexfalcon9 #spacexdragon #spacex_starship #spacexlanding #spacexrocket #spacexfalconheavy #spacetime #scientists #scienceiscool #physicsfun #scienceclass #sciencerocks #astrophysics #scienceeducation #astrofacts #scienceexperiment #astrophysics #cosmology

  •  3,689  59  31 May, 2020