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Maneuver burn time estimation


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Both in the editor and in flight, you can click on each individual stage in the staging list (or the total dV readout) to pop out the expanded stage view.

In this expanded view, you can see the remaining burn time for each individual stage, which you can add up to get the total burn time of your entire rocket. In case you do not see it there, go into the editor and pull up the configuration of the dV tool to enable it.

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you can also eyeball it by looking at TWR. if TWR is 1 (on kerbin orbit), then each second of burn will give you 10 m/s of speed. So if you have a TWR of 0.6 and you need a 150 m/s burn, you can eyeball it at 150/10*0.6=150/6=25 seconds. it's not going to be hugely accurate because as you burn fuel you increase your TWR, but i cannot think of any situation where 5 seconds of error would make a meaningful difference.

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On 9/19/2020 at 11:16 PM, king of nowhere said:

you can also eyeball it by looking at TWR. if TWR is 1 (on kerbin orbit), then each second of burn will give you 10 m/s of speed

KER let's you display the actual acceleration, quite useful for situations other than LKO :) 

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