"Wayne.B" wrote in message
...

There is an excellent book available on propellers if you want to
learn mo

The Propeller Handbook: The Complete Reference for Choosing,
Installing, and Understanding Boat Propellers by Dave Gerr.

Available at www.amazon.com



Aw,,, Wayne had to spoil it. We were having fun confusing the banannas out
of him and ourselves.

RCE