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Engines, Thrust, and Fuel Flow rates

10.4k ThomasRoderick  4 days ago

So... me, being me, decided to tinker around my box-o'-engines one day and find out how much fuel does each vanilla in-game engine consume per second, and how much thrust they provide (ofc only for jets and legacy props, standard props and rotors have their thrust dictated by factors like engine power / blade chord / blade pitch / what-have-you so they're much less cut-and-dry)... and here are the results:

  • Small legacy prop engine: Engine-Prop-1 0.0465 liters/sec, 3,551.5N. (does not scale with powerMultiplier)
  • Large legacy prop engine: Engine-Prop-2 0.093 liters/sec, 9,906.5N. (does not scale with powerMultiplier)
  • Smol prop: Engine-Prop-5 0.093 liters/sec, normally over 20,000N at 1000HP.
  • Radial prop: Engine-Prop-4 0.4184 liters/sec, normally over 40,000N at 2000HP.
  • Turboprop: Engine-Prop-3 1.4 liters/sec, normally over 60,000N at 3000HP.
  • Smol turbojet: Engine-Jet-1 0.4185 liters/sec, 15,000N.
  • Big turbojet: Engine-Jet-2 1.5 liters/sec, 50,000N.
  • Small turbofan: Engine-Jet-4 2.14 liters/sec, 90,000N.
  • VTOL turbojet: Engine-Jet-5 1.77 liters/sec, 60,000N.
  • Low-bypass turbofan: Engine-Jet-6 4 liters/sec, 150,000N.
  • High-bypass turbofan: Engine-Jet-7 4.51 liters/sec, 300,000N.
  • Small rotor: HeliRotor-1 0.74 liters/sec.
  • Large rotor: HeliRotor-2 0.134 liters/sec.
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  • Profile image
    42.4k Graingy

    @ThomasRoderick TIL…

    +1 3 days ago
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    42.4k Graingy

    @32 thrust variable is far more straightforward. Straight to newtons too.

    +1 3 days ago
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    @32
    I just used the engine's innate "Thrust" output.

    3 days ago
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    @Graingy

    Large legacy prop engine
    Wait what

    Refer to SIMPLECHEATS II.

    Did you use FT to find the fuel use rate?

    Yes. a label with {-rate(Fuel) * your total amount of fuel} .

    3 days ago
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    31.5k 32

    I made a thingy to test engine thrust. I’m curious if it’s accurate. I kinda doubt it, but I will say I used the weightless engine in the thumbnail to lift exactly that number of pounds and anything more it was unable to lift.

    +1 3 days ago
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    42.4k Graingy

    Did you use FT to find the fuel use rate?

    4 days ago
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    42.4k Graingy

    Large legacy prop engine

    Wait what

    4 days ago