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     1. 06:44 PM - Re: Re: Low RPM on Takeoff??? (John Hauck)
 
 
 

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Time: 
06:44:24 PM PST US
From: 
"John Hauck" <jhauck@elmore.rr.com>
Subject: 
Re: Low RPM on Takeoff???
      
      
      If your throttle levers are spring activated, they may not be pulling the
      throttles wide open.
      
      john h
      mkIII
      Titus, Alabama
      
      
      -----Original Message-----
      From: owner-rotaxengines-list-server@matronics.com
      [mailto:owner-rotaxengines-list-server@matronics.com] On Behalf Of tmitton
      Sent: Sunday, August 10, 2014 10:16 AM
      Subject: RotaxEngines-List: Re: Low RPM on Takeoff???
      
      
      Thanks for all the help so far...but no solution yet.
      
      We have checked just about everything everybody suggests but no luck.
      
      Went over the carbs with a magnifying glass - couldn't see any leaks.
      sprayed it with hair spray just in case to try to seal anything micro small.
      We even took out and inspected the diaphragms up close.
      
      No obvious intermittent grounds. Engine runs fine most of the time. Mag
      check drops about 50rpm both sides every time.
      
      Burning through premium gas regularly and diligently checking for water now.
      
      All the rubber connectors into and out of the carbs are in good shape
      without cracks.
      
      Changed the oil, cleaned or replaced the filters (air, gas and oil) and
      lubed every other moving part. Even changed to a brand new backup propeller
      we had and carefully tourqued all the bolts in place.
      
      We have marginally improved - WOT to about 5100 on first application and  up
      to about 5300 after the 800ft run before t/o. (As high as we want in the
      air).
      
      Having a professional Rotax mechanic take a look but I will be very
      surprised if he finds anything obvious after our detailed examinations.
      
      Oh well - it still gets off the ground and pulls the plane along (Tecnam P96
      Golf) so we still fly! Just wondering where our previous get up and go went?
      
      
      Read this topic online here:
      
      http://forums.matronics.com/viewtopic.php?p=428265#428265
      
      








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