No answer on your questions . . . however, I do know there was at least one
incidence of the 4-blade prop making like a Frisbee. One minute it was
dragging the Pawnee through the air, the next it was on it's own and
accelerating away from the plane.

Guess it's important to re-torque the prop bolts?

bumper

"noel.wade" wrote in message
...
Can anyone out there with experience behind both 2-bladed and 4-bladed
Pawnees give me an idea of what the performance losses are?

My club has debated this off and on, but I was recently at a field
with a 4-bladed Pawnee and was much impressed with the lower noise.

Problem is, I've got club members claiming that it'll cost over $10k
to do the job, and we'd give up 25% to 30% in performance due to the
extra blades.

Can anyone corroborate those numbers?

Thanks, take care,

--Noel