Lee Schaumberg
Well-Known Member
Hello
Car engines can not safely power airplanes as designed. Imagine the mixture or timing changing as you turn final! Home built aircraft don't need to reduce the NOX. But they must continue running or you bend up your bird and hurt your butt or worse yet croak off.
So many folks talk about so many horse power at RPMs that only a car can run. For an airplane this is bunk. Direct drive RPM max is about 3000 rpm and a prop reducer allows more engine RPM which the engine may not be used to.
Dual ignition in airplanes is ONLY done to improve the back up of the ignition. The upper or lower plug may produce more power but the engine will continue to run. Although old magnetos do not require the battery to stay connected to run. What we learn from old stuff is beating them is hard.
Weight is allways a problem so how much does it weigh? and and are we there yet?
Car engines can not safely power airplanes as designed. Imagine the mixture or timing changing as you turn final! Home built aircraft don't need to reduce the NOX. But they must continue running or you bend up your bird and hurt your butt or worse yet croak off.
So many folks talk about so many horse power at RPMs that only a car can run. For an airplane this is bunk. Direct drive RPM max is about 3000 rpm and a prop reducer allows more engine RPM which the engine may not be used to.
Dual ignition in airplanes is ONLY done to improve the back up of the ignition. The upper or lower plug may produce more power but the engine will continue to run. Although old magnetos do not require the battery to stay connected to run. What we learn from old stuff is beating them is hard.
Weight is allways a problem so how much does it weigh? and and are we there yet?
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