From what I can tell, the Hirth 3003 engine is only 137 lbs dry. I think I might need a psru with it, because peak torque is at 6000 rpm, but if I am saving 100 lbs in dead weight, wouldn't I be able to get the performance out of an engine like this? Or even their 80 hp model?
Would I even need a psru, if I used a smaller prop?
It is only $10k new with starter and fuel injected, and obviously really really light, which would help useful load if built to 1440 gross… Continue