z987k
Well-Known Member
Out of your list there?
MU2
Metro
Irrelevant
However it is really Radials > Garrets > PT6s > horizontally opposed
Radials > Garrets > Turbo/supercharged Piston > PT6 > NA Piston.
And if we're real honest, you put the pt6 at the bottom of even the NA Pistons as long as they're twins. PT6 - training wheels for pilots.