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Landing On The Roof Of The VAB Using Only SRBs


Elen Sila

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Landing on the roof of the VAB, in less than 20 seconds, using only SRBs, and only stock + Kerbal Engineer (no Mechjeb), first in third person view, then in IVA view.

2013_09_02_00007.jpg

Here's the video. Note: at the beginning, I show that the liquid fuel engine is deactivated, and won't be used for the jump. I only needed it because my ship needed to mass exactly 28474.8 kg, in order to have the ideal TMR for both launch and landing.

Here's my math. In order to have a launch TMR of 29.170 N/kg and a landing TMR of 22.403 N/kg, the ratio between the number of separatrons used for launch versus landing needed to be (18000/22.403+30)/(18000/29.170–30), or about 1.419; thus, I used 44 boosters for launch and 31 boosters for landing. This required a mass of 28474.8 kg, as I mentioned above.

2013_0240_KSP_Flight_Profile.jpg

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