xeriotti wrote:Any information on Static RPM, WOT straight and level, climb and cruise with the reccomended 60x82 Sensenich propeller?
Kai wrote:Yes,
A fixed pitch prop on a Sonex/Rotax combo can certainly make you wonder.
My observation/understanding is that most Sonex/Rotax9's run a fixed/ground adjust prop
I have a fp Sensenich 62x82 on my own rig. Wot static ground 38 ft asl reads 5050 rpm/29.92 inHg (efi engine- no venturi/carby). Wot 3000 ft asl reads 5550 rpm/25 inHg. This would indicate that the rpm span is close to 500. So if I hang on something that indeed makes 5200 rpm wot static ground, I would end up with 5700 rpm wot 3000 ft asl. Still 100 rpm to go before Rotax says no more- right?
If you say so - my personal experience (not Sonex) is what I said previously.
Since I can`t use one of the (heavy) CS props available for the engine, I am presently looking for a GA 2 blade thing.
If you want a CS/In Flight Adjust prop, there are quite a few offerings out there - mostly European and also New Zealand weight varies from about 7-11 kg both 2 & 3 blade
Suggestions?
Kai wrote:Yes,
A fixed pitch prop on a Sonex/Rotax combo can certainly make you wonder.
I have a fp Sensenich 62x82 on my own rig. Wot static ground 38 ft asl reads 5050 rpm/29.92 inHg (efi engine- no venturi/carby). Wot 3000 ft asl reads 5550 rpm/25 inHg. This would indicate that the rpm span is close to 500. So if I hang on something that indeed makes 5200 rpm wot static ground, I would end up with 5700 rpm wot 3000 ft asl. Still 100 rpm to go before Rotax says no more- right?
Since I can`t use one of the (heavy) CS props available for the engine, I am presently looking for a GA 2 blade thing.
Suggestions?
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