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Achieving orbit / transfers using only flight readouts?


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Procedure for getting into orbit using only kerbal engineer (considering you have a proper designed rocket, with a TWR of 2.2 or at least higher):

-launch

-at 10km, pitch to 45 degrees

-when Ap gets to 50km (you see it on kerbal engineer), pitch to 5 degrees

-when Ap gets to 75km you stop the engines

-when Time to Ap gets to 30 seconds you start burning prograde, if Ap gets higher you pitch towards the ground, if Ap gets lower you pitch towards the sky

-stop engines when Ap = Pe

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I use KER a good deal. My procedure for getting to orbit is much like Aphobius's, though I tend to follow the prograde vector as long as my time to Apoapsis is between 35-55 seconds. I burn along the horizon once the Ap is above a minute and keep burning until the Ap is where I want it in order to account for what I'll lose to atmospheric drag based on alititude (+10k for 50,000, +30k for 40,000). Might have to try out his method my own self to see if it saves fuel.

Usually an orbital insertion burn after a good gravity-turn ascent takes 4-5 seconds, and maybe 50-100 m/s of delta-V, at best.

Getting to another planet on that data is another matter. KER is generally helpful for making orbital plane changes; I'll admit that I don't understand the rest of the rendezvous data it provides. I rely on other mods (KAC, Protractor) to make interplanetary burns as a rule.

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