Bob Martin wrote:
One of the guys in our hangar has a prop on his RV-8 that apparently
goes to coarse pitch when pressure is lost... its a big ugly fat-bladed
Whirl Wind 200C, IIRC.

Perhaps it came out of a twin?

George Patterson
Drink is the curse of the land. It makes you quarrel with your neighbor.
It makes you shoot at your landlord. And it makes you miss him.