[net.rec.boat] Why cupped props?

rls@ihuxf.UUCP (Richard Schieve) (06/12/84)

 
If there is anyone out there that reads this news group I have
a question.  What is the advantage of a cupped boat prop?  Why
not use a greater pitched prop vs. a cupped prop.  I am trying
to decide if it is worth the extra money.

				Rick Schieve