Kerbal Space Program

Kerbal Space Program

Jarude Oct 3, 2013 @ 8:31pm
Equations
I have been playing this for awhile and was recently thinking of starting to do the math for each of my flights. If someone could post a list of useful equations to calculate thrust, etc; and explain what each equation or what situation to use it in, I would greatly appreciate it.

If linking me too a webpage with all the equations listed that would work too.

Thanks, HappyKerbalnaut :KSmiley:
Last edited by Jarude; Oct 3, 2013 @ 8:32pm
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Showing 1-13 of 13 comments
TWR: Max thrust/(mass*gravitational pull)
anon_omis Oct 3, 2013 @ 8:55pm 
There's a reason why computers do it at NASA...it's not fun....
I actually did a lot of these calculations not too long ago when trying to help someone out with their rocket. Too bad steam only lets you see the last message sent in a conversation.
Jarude Oct 3, 2013 @ 9:28pm 
Originally posted by You're Killing Me Smalls!:
http://wiki.kerbalspaceprogram.com/wiki/Cheat_Sheet#.CE.94v
Thanks i will play around with some of these and see how it goes.
Aazard Oct 3, 2013 @ 9:59pm 
every chart and formula you need can be found here, please add me as a friend also.... few people are willing to do any of the math like you and i

http://kerbalproof.com/

I can explain what each formula is used for but it is better left to a private convo seeing the amount of typing involved
Last edited by Aazard; Oct 3, 2013 @ 10:02pm
Ancient Sumerian Oct 3, 2013 @ 10:16pm 
Last edited by Ancient Sumerian; Oct 3, 2013 @ 10:21pm
Jarude Oct 4, 2013 @ 8:15am 
Originally posted by edwarddesrochers:
do equations dont need to master builder
http://steamcommunity.com/sharedfiles/filedetails/?id=183334390
this game is to fun to waste time doing that
http://steamcommunity.com/sharedfiles/filedetails/?id=183334429
mun base waiting on lab and hab module
http://steamcommunity.com/sharedfiles/filedetails/?id=183112730
I have built bases on most of the planets and space stations that took two dozen modules to complete; Its not that I cant play the game very well its more of a effort to better understand what I am doing. Mabey in career mode doing some equations would save you some money, Instead of trial and error.
Last edited by Jarude; Oct 4, 2013 @ 8:17am
Jarude Oct 4, 2013 @ 8:17am 
Originally posted by Aazard:
every chart and formula you need can be found here, please add me as a friend also.... few people are willing to do any of the math like you and i

http://kerbalproof.com/

I can explain what each formula is used for but it is better left to a private convo seeing the amount of typing involved
Thanks for the link I havent spent too much time looking at the charts yet I have been busy but It seems to have a lot of useful information.
sabe042 Oct 4, 2013 @ 9:26pm 
I've been doing these equations for quite awhile now. Here's a really simple and effective way to build a rocket with minimal calculations:

Make an estimate of your payload weight (or tabulate it), double that number, and that's the weight in fuel to carry for the stage. Your delta-V will be roughly the engine Isp x 10. So if you use an engine with 350 Isp, you'll get around 3,500 delta-V.

Repeat the calculation for the next stage using the previous stage as the payload. Two of these stages will easily get you into Kerbin orbit. Test each stage after you build it to make sure it can lift itself.

You can crunch the numbers to make more efficient designs. I usually use this method as a first estimate, and pull out the pencil and paper (or Excel) when things don't work well. I've had a lot of success with this, however.
Jarude Oct 4, 2013 @ 9:40pm 
Originally posted by sabe042:
I've been doing these equations for quite awhile now. Here's a really simple and effective way to build a rocket with minimal calculations:

Make an estimate of your payload weight (or tabulate it), double that number, and that's the weight in fuel to carry for the stage. Your delta-V will be roughly the engine Isp x 10. So if you use an engine with 350 Isp, you'll get around 3,500 delta-V.

Repeat the calculation for the next stage using the previous stage as the payload. Two of these stages will easily get you into Kerbin orbit. Test each stage after you build it to make sure it can lift itself.

You can crunch the numbers to make more efficient designs. I usually use this method as a first estimate, and pull out the pencil and paper (or Excel) when things don't work well. I've had a lot of success with this, however.
Thanks for the advice I tried your Estimate equation and found it was close enough to be very usefull in the early stages of rocket construction.

I am learning lots about doing math in KSP, thanks.
Last edited by Jarude; Oct 4, 2013 @ 9:41pm
Jarude Oct 4, 2013 @ 10:01pm 
Using all the math stuff I have learnt i succesfully calculated what i would need to build to get a 3 part ship into orbit. I applied what I learnt and it worked!
sabe042 Oct 4, 2013 @ 10:15pm 
Congrats!
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Date Posted: Oct 3, 2013 @ 8:31pm
Posts: 13