That sanity checks with me Tommy.  BTW,  I was using the IVO in two blade
setup and I think 3 blades will give a somewhat higher Delta RPM from static
to top speed so the numbers you are seeing are in the ballpark, definitely
flyable.

Tracy



----- Original Message -----
From: "Tommy James" <twjames@healed.org>

> Update:  Thanks to Dave, Tracy and Ed!!
> I ran the engine this morning with the pitch reset at a nominal 60".
> WOT produced static rpm of 4350 (smooth) at MAP of a hair under 30".   If
> Tracy's delta rpm of 1200 hold true for this prop, then we should see 5550
> for WOT cruise and about 150kts. (Vne is 167kts., Va is 98kts.)
> Seems to be a reasonable place to start, or am I missing something?
> Tommy<><
>
> "But you need to clarify your test results a bit.  What does it mean when
> you
> say you were at  less than full throttle "but the engine did not seem to
> want to advance from there"?   Do you mean that the engine does not go
> faster when the manifold pressure goes from 25" to 30"?  If so, this
defies
> all logic and qualifies as in the  "do not fly until solved" category."
>
> Tracy Crook
>
>
>
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