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Old 11-27-2020, 04:26 PM
RVDan RVDan is offline
 
Join Date: Jun 2012
Location: Frederick, MD
Posts: 902
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I might suggest that you are getting some generation of fuel vapor in the line between the servo and the flow divider. I had this happen several years ago on a FI RV-6. It will only happen when the engine is hot. I typically would see this at its worse when doing laps in the pattern. A high power takeoff and climb, followed by a pattern at low speeds which doesn’t cool the engine well.
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Dan Morris
Frederick, MD
PA28-140
Hph 304CZ
RV6 built and sold
N199EC RV6A flying
Retired Aerospace Engineer and A&P/IA
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