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Fuel Flow Oddity RV-12 Rotax 921ULS

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JohnF

Joined: 13 May 2010
Posts: 124

Posted: Sat Dec 10, 2011 9:45 am Post subject: Fuel Flow Oddity RV-12 Rotax 921ULS

 I had posted earlier re sudden  change in fuel flow readings from a typical 4.0 - 4.1 GPH to 3.3 on the  'next' flight. After verifying the fuel flow module was clean, no debris, dirt,  I had a good day today - smooth air - so I could experiment with setting  different so-called "K-Factor" numbers...was 96000 per other RV-12 fliers, and  that has worked well. Now I ended up a K-factor setting of 67000 which is close  to the Dynon suggested starting point of 65000.

  

 Why it changed I will probably never know, but it  works and that's it.

  

 John

  

  

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