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Stikman
5th Mar 2021, 05:17
G'day All..
I have a question:
A particular engine is supposed to develop between 2800 and 3000 static RPM with a given prop. If I have a ground adjustable prop of the appropriate diameter (as in, according to the POH), how many RPM will be lost with every 1" increase in pitch? Just looking for a ballpark figure here..

David J Pilkington
5th Mar 2021, 05:30
From the Pitts S-1S AFM with 180 hp Lycoming AEIO-360-B4A with Sensenich 76 EM 8-0 prop:
https://cimg8.ibsrv.net/gimg/pprune.org-vbulletin/489x287/2021_03_05_5039f8ef0ee45a12838c0307cc07d95c005672af.png