Quote:
Originally Posted by svandamme
if you look at the best long distance flyers so far.. they all had turbines.. for a good reason.
piston props loose efficiency at altitude , turbines gain efficiency at altitude..
|
True but pistons have far cheaper operating costs. Possibly one of the reasons direct operating costs are so low.
Even the ancient B-36 with piston engines had a service ceiling of 45,000 ft.