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98t to 100x100km, single-stage recoverable rocket. 97.937/484.144=20.23%
Launch: throttle full, SAS stability on, stage, switch SAS to prograde at 57.5m/s, deactivate mammoth & vectors at 28km (AG1), burn until apoapsis at 100km, circularise.
Recovery: stage parachutes (needed again after payload separation), enable brakes to deploy inflatable heatshield, set SAS retrograde. There should be plenty fuel left to decelerate for reentry, aim for 50-55km and let it aerobrake. Try aim for land, water landings break the rocket. Parachutes will deploy in sets to avoid ripping off the top, and can land it softly.
A stock rocket called MassFraction-Rocket-D2. Built in the VAB in KSP version 1.2.2 with 127 of the finest parts, its root part is probeStackLarge.
An entry to the Stock Payload Fraction Challenge: the single-stage recoverable rocket D2, delivering a 97.937t payload to 100x100km orbit for a 20.23% mass fraction.
- Type: VAB
- Class: ship
- Part Count: 127
- Pure Stock
- Launch mass: 484.144t
- Payload mass: 97.937t
- Mass fraction: 20.23%
- Target orbit: 100x100km
- Squad (stock)
Don’t take anything too seriously, I’m mostly just having crazy fun testing the (im)possibilities of flight, physics and design in the amazing sandbox that is Kerbal Space Program. Feedback is welcome!
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