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Old 09-13-2006, 08:21 PM
  #5  
ToiletDuck
Che Guevara
 
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Joined APC: Aug 2005
Posts: 6,408
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I explain it like an electrical meter on a house. With everything turned on it turns fast. with all the lights and AC off the meter turns slow. Same with the engine. With the RPM's fast the hobbs will turn faster. with them slow it will turn slower. I personally say around .8tach=1.0hobbs if in the pattern. If on a flight X-C it's usually the same or sometimes faster based on RPM.
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