Me and my brother are at a loss, we understand the basics of how the upside down thing works, but how does the engine get fuel when the tank is turned around, is it a vacoom and how would that work or is the intake from the tank in the back of the it, so the fuel is forced into the engine? Thanks.
In: Engineering
It’s a similar problem in orbit on a spacecraft — liquid fuel just floating in the middle of a tank. Some spacecraft will have an “ullage motor” that basically thrusts enough to get the fuel to float to the “bottom” end of the tank where the fuel intakes are. When the engine is running, the thrust of the engine keeps the fuel by the intake. Typically there is a fuel pump and/or the tank is pressurized with inert gas.
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