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Cowling: Percent power. How to calculate?

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az_gila

Joined: 17 Jun 2006
Posts: 99
Location: Tucson, AZ

Posted: Tue Apr 28, 2009 6:18 am Post subject: Cowling: Percent power. How to calculate?

Ned...  I'm not sure you can base instrumentation off this chart.



 It assumes that you have leaned for "Peak Economy" hence the note on the chart "Minimum Fuel Flow"



 The experimental EMS systems don't seem to use fuel flow for % HP calculations.  I believe they base it on temp - manifold pressure - rpms.



 gil A



 [quote] Hi Gary,

  

 I didn't really understand what you needed when I first read your email. I guess I'm a little slooow but after rereading it a few times I have something for you that might help. The Lycoming Operators Handbook  gives Figure 3-34 for determining power in flight. It replaces the Figure 3-2 in earlier manuals that I think you were referring to. Anyway Figure 3-34 is Fuel Flow VS Percent Rated Power. From there you can determine HP from your fuel flow. 

 ....

  

 Best Regards,

 ned[b]

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