My engine will be capable of running strong at 7500 RPM, and it will have about
80 more HP than Van expected an RV-3 to have.  I'll want to try several
different pitches, for different climb and cruise RPMs.  In other words, I'm
not sure what I want to optimize the prop for yet, but an adjustable prop will
let me experiment.

Cheers,
Rusty
If top speed is better with a wood prop, then what are
> you looking to improve? Efficiency at cruise?