moper
Well-Known Member
"I've noticed that the 2 hp per cfm rule doesn't seem to apply to most engines."
It applies to efficient packages. Meaning the individual parts, machining, and assembly all play a role in reaching that number. The less efficient the engine, the lower the potential power. Simple reality.
It applies to efficient packages. Meaning the individual parts, machining, and assembly all play a role in reaching that number. The less efficient the engine, the lower the potential power. Simple reality.