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   Post on RPM on Climb Out in Rotax and other engines

   By Steveirving, posted 1 Jun 2018

   Question...
   What is the ideal Rotax 582 RPM during a take off climb out at say 65 mph with full throttle?  
   Online research has numbers all over the place.  I've heard 5800 at ground roll, 6200 during climb, and no more than 6400 with full throttle straight and level.
   I can't seem to find any official document on this.  Only opinions.
   What RPM should I see at full throttle at the beginning of the take off roll?
   What RPM should I see at full throttle during my climb out at Vx or Vy?
   What RPM should I see at full throttle while straight and level?
   What is a good min RPM to use as a decision point prior to take off or aborting takeoff?
   Answers with citations would be helpful to all I think.
   Steve