Old 03-17-2019, 03:39 PM
  #3  
lobsdiver1
Admirals Club Admiral's Club Member
 
Join Date: Nov 2008
Location: Jupiter, FL
Posts: 2,081
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Are you saying?
28 mph at 3900 rpms then push throttle to 6000 rpms with no change in speed?

if so
- can only be a slipping prop hub
- you are over revving the engine
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