17.01.2009, 02:27
i have a book that lists a few planes and thier ideal prop pitch , name the plane and i will see if its in there.
here are a couple of examples :-
La-7 :pilot notes.
Combat engine setting: 2,500rpm, best cruise 2,100rpm, economy cruise 2,000rpm.
P-40e:pilot notes.
combat engine setting :3,000rpm, best cruise 2,600rpm , economy cruise 2,500rpm.
Although this doesnt tell you prop pitch , You will have to look at your instruments. Remember reducing prop pitch = reduced RPM. Correct use of throttle and prop pitch will result in better performance.
Of course each different engine has its own power band and best operational rpm, The merlin for spitfire, or hurricane for example is best left at 100%-98% prop pitch as the engine works best at 3,000rpm ( this would be in Mk V mk IX has auto prop pitch) There is a red marker on the spitfires rev counter :wink:
hope this helps S~
here are a couple of examples :-
La-7 :pilot notes.
Combat engine setting: 2,500rpm, best cruise 2,100rpm, economy cruise 2,000rpm.
P-40e:pilot notes.
combat engine setting :3,000rpm, best cruise 2,600rpm , economy cruise 2,500rpm.
Although this doesnt tell you prop pitch , You will have to look at your instruments. Remember reducing prop pitch = reduced RPM. Correct use of throttle and prop pitch will result in better performance.
Of course each different engine has its own power band and best operational rpm, The merlin for spitfire, or hurricane for example is best left at 100%-98% prop pitch as the engine works best at 3,000rpm ( this would be in Mk V mk IX has auto prop pitch) There is a red marker on the spitfires rev counter :wink:
hope this helps S~