ORIGINAL: baronbrian
Seems to me that if engine RPM changed with fuel level, the electric guys would be calling it an inferior system...
I agree, nothing a big 42V, 100A switching regulator fed by the flight batteries couldn't sort out. A step-up type would be able to provide the maximum legal voltage from beginning of flight to end. IC guy's have been running presurised fuel systems for 25 years, this "gravity feed" of electricity from a battery needs to take a step forward..