I'm trying to build a rocket that uses hypergolic hydrazine as fuel. There are no rocket engines listed that use anything but cryogenic fuels. I can assign hydrazine as the fuel in the fuel tank section, but when I assign fuel to any engine, only keralox, hydrolox or metholox are listed. In the older version of the game. I could assign fuels other than the 3 listed above. Why did it change?

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    514 OldCoach

    If hydrazine or any fuels besides cryogenics aren't recognized, why can they be assigned to fuel tanks? Apollo SPS engine and the Gemini and Space shuttle OMS engines were hypergolic not cryogenic. It doesn't really made any difference in the game because cryogenics will work for those type spacecraft. For realism fuels, especially hydrazine and similar fuels should be workable in the game.

    1.7 years ago
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    I believe it’s because the game does not recognise hydrazine. It recognises all of the defaults and penthrite, and I believe that you can set your engines to any of those, but hydrazine is probably not possible.

    1.7 years ago

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