rotax engine
Hi guys
In fto where I fly there is p2006 that we used for MEP rating. The rotax engines have a limitation of 5800 rpm for 5 min maximum and 5500 RPM continuously. In the cockpit I have only Map gouge and propeller rpm gouge. How can know if I' m using the engine at or above 5500 RPM? thanks for any answer Michelda |
With a gear ratio of 1:2.4286
- 5.500 = 2.264 - 5.800 = 2.388 |
The engine is probably driving the propeller through a gearbox with a fixed reduction ratio. In this case the propeller gauge will be marked with a red line and a yellow sector.
|
Michelda
I believe the Rotax 912 S (?) Engines on your aircraft drive through a 2.43:1 reduction Gearbox, so can work out Limitations from this ? perhaps a quick look at the Rotax website will help |
Thanks guys,
but with 16/17 inches of Map, I have the RPM on the red line (like all other kind of engines) and I don't think that the engine is at its maximum rpm. What do you think? I checked on rotax website but I didn't get answers.....or I didn't find them:ugh: Michelda |
In the cockpit I have only Map gouge and propeller rpm gouge. Formula......see above. |
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