Warnke
I recently replaced an Aymar-DeMuth 68x72 wood prop with a Pacesetter on my 150hp RV4. The Pacesetter gives the cruise speed I was looking for but, at the cost of climb performance. The Aymar-DeMuth was a great climber, though. I can't remember what the static rpm was but, flat out it ran about 2780. Unfortunately, the pitch numbers don't translate well from one manufacturer to another (the Pacesetter is a 68x69) so this info won't help you pick a Warnke prop. If you aren't stuck on a Warnke, the Aymar-DeMuth is in perfect condition and I would part with it VERY reasonably.
Good Luck,
Bill
RV4