Rotax 915 fixed pitch propeller variant?

by Andrew Morris in 915iS Technical Questions 6 years ago

There was talk if I remember correctly about Rotax making a version of the 915 compatible with a fixed pitch prop that was supposedly supposed to be available last July. But maybe it was this July? Anyways, anybody know anything about this?

I know Trent Palmer ran a 79” three blade fixed pitch prop on his Kitfox with great results.

Re: Rotax 915 fixed pitch propeller variant?

by Andrew Morris » 6 years ago

Andrew Morris

5 21 72

Rans Aircraft is offering the S-21 Outbound with the 915 iS as an SLSA with a fixed pitch prop. Apparently Rotax made the changes to allow for fixed pitch propellers now.

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Re: Rotax 915 fixed pitch propeller variant?

by Michael Baker » 6 years ago

Michael Baker

1 9 38

I have a Magni M16 Plus gyroplane with the 915 engine. Mine has a Helix (German) H50F three-blade prop, fixed pitch, 1.72m (68") diameter. Works great. Have 100 hours on this gyro now. The 915 is designed to work with a constant speed prop, has the oil pressure line and ECU software capability, but its certainly not mandatory. Magni has been putting fixed-pitch props for 915 engines on their gyroplanes for almost two years now.

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