tobi1577 Posted February 27, 2023 Share Posted February 27, 2023 I started experimenting with a new design that consisted of a single methalox engine and multiple xenon engines on the same stage. The methalox engine was attached to a small fuel tank, which was attached to a much larger fuel tank through a decoupler. This allowed me to enable/disable fuel crossfeed to enable/disable the engine when I wanted. This works great, except when time warping. If the methalox engine is disabled (no fuel, decoupler crossfeed disabled) and the xenon engines are running, it produces thrust, but as soon as I start time warping with my engines burning, it still uses up my xenon gas supply, but does not produce any thrust (apoapsis does not change). Link to comment Share on other sites More sharing options...
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