On Mon, 31 May 2004 05:38:10 +0000, Joe wrote:


"Lloyd Sumpter" wrote in message
...
On Fri, 28 May 2004 13:54:40 +0000, marbisiNsP wrote:

The secondaries really open because of THROTTLE setting, not RPM,
correct?

No they work on throttle *and* manifold vacuum. If he goes with a steeper prop
they will open sooner.

So then it's even more logical to go to less pitch: higher rpm, more power at
less throttle, AND less manifold vacuum.

Lloyd