Hello , my collegue in work asked me for technical drawings of the crankshaft of the rotax 612 , particularly the conical part on the crankshaft , my understanding of this is limited , but i wrote to local dealership , and i was told that they dont have anything like this . He needs the drawing so he can repair the engine and install that engine into hand built small helicopter :D 

 

Thanks for any info , help or hint where to get the drawings :)

 

Martin 

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