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In www.rotax-owner.com, as underlined in a previous topic by Roger Lee, it is shown a new type of inspection (crankshaft distortion measure). It must be used in a prop strike in an 91X engine with no ...

The 914 is rated at 115 to start

on rotax 914 115 HP is peak power (not continuous , only allowed for 5 minutes under some other restriction).

100 HP is max sustainable continuous power.

It seems to be an evident contradiction between :

- rotax 914 brochure claim (e.g. http://www.lockwood-aviation.com/Four_stroke.htm page 6 ) where it is showed a definite power loss with altitude, ...

Hi Nicola,

How bad was the over speed? With prop or without? How long? Do all of the engine temps and pressures look good and do you have all the read outs? (EGT, CHT ect...)
You said now that oi ...

For diagnostic reasons after an over speed of unknown entity on my Savannah LSA plane (consequence : big power loss -500 rpm with perfect carbs , push rods and compression and leak down tests ok. Grow ...

Until recently i believe that rotax 912 crankshaft was bomb proof.

But, after speaking with other owners of this engine, i was warned that there had been some failures on crankshaft for overspeed, ...

Someone as experience with over run 912 ULS engine and (bad) consequence ?

In fact after renting to a friend of mine my loved airplane (with a variable pitch propeller with stops too light loaded - ...

i'd like to ask two questions to list expertise.

Why on Ch701 it was used a series 6 laminar profile (NACA 650-1 Cool

in a low speed , draggy context ?

Why is there a new stop tab that hardly limit ...