Noobish Part.cfg question

[rayrocksweet]

i feel as tho im am doing something terribly wrong and am about to get blasted for being an idiot, but i cannot figure out how to lower the fuel consumption of 2 parts; namely the turbofan and toroiadal aerospike. For fun, i want to make a ship that does not consume fuel. Now i have looked for the answer to this question and it has eluded me. I have looked at sites including scott manley's tutorial (

he has helped me a great deal with this game) and the ksp wiki ( http://wiki.kerbalspaceprogram.com/wiki/CFG_File_Documentation ) both of which are either outdated or im looking at the wrong file type. When i open the .cfg file i dont see the fuelconsumption=? at all. the following is what i see and any help at all would be awesome.

PROPELLANT

{

name = LiquidFuel

ratio = 1

DrawGauge = True

}

PROPELLANT

{

name = IntakeAir

ratio = 15

}

atmosphereCurve

{

key = 0 1200

key = 0.3 2500

key = 1 800

}

velocityCurve

{

key = 0 0.5 0 0

key = 1000 1 0 0

key = 2000 0.5 0 0

key = 2400 0 0 0

}

Edited May 14, 2013 by rayrocksweet

[rayrocksweet]

well instead of modifying the engines, i modded the tanks so have 1000x fuel. still would like to know how to mod engines to burn more efficient

[Van Disaster]

You'll need to change the ISP, which is the atmosphereCurve section. You can make those numbers unbelievably huge but I suspect you can't make an engine that doesn't consume *anything* without a plugin. If you want to go the whole way you could define a super dense ultra-light resource and have them burn that, and then stuff some storage for that resource in your pod cfg. The turbne you could just run off intakeAir alone, too.

[Jason Patterson]

Because of the way that the thrust system works, at least one fuel with mass must be consumed. As Van suggests, you can increase the Isp to some ridiculous level if you like (100,000,000 would be a crazy large value.)

A much easier solution would be to just turn on infinite fuel in the debug console. Press alt-F12 and check the box.

[HoY]

A agree with the last poster, alt+f12 and click infinite fuel for the duration of your experiment it's faster to reverse than having to go into the cfg again and it's applied globally until you turn it off or close the game. With infinite fuel enabled you don't need to equip fuel tanks or intakes, the engines just draw no fuel.