power loss on takeoff

DavePA11

Active Member
Joined
Nov 16, 2015
Messages
854
Location
USA
Glad you realized the issue and got it down safely. Some tall trees to climb over. Do you wear ear plugs since muffler is right at ear height.
 

JETLAG03

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Joined
Jul 6, 2019
Messages
286
Location
france
Total Flight Time
300+ flexwing (pendulaire) newly trained on gyrocopter ((autogire)11h)
Maybe a clue was the "has not been run for a while" if two stroke fuel is left in the carb bowl it evaporates and leaves behind the oil which can/may cause a problem. I was always told at the then of the day, close off the fuel and run the carbs dry.
 

gyrojeffro

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Joined
Oct 5, 2017
Messages
112
Location
charlotte, nc
Maybe a clue was the "has not been run for a while" if two stroke fuel is left in the carb bowl it evaporates and leaves behind the oil which can/may cause a problem. I was always told at the then of the day, close off the fuel and run the carbs dry.
thanks for clarifying that, hell I thought I was lubricating my carburetor bearings, Fawk!
 

Sv.grainne

Active Member
Joined
Jan 14, 2020
Messages
448
Location
Kerrville, Texas
Maybe a clue was the "has not been run for a while" if two stroke fuel is left in the carb bowl it evaporates and leaves behind the oil which can/may cause a problem. I was always told at the then of the day, close off the fuel and run the carbs dry.
The issue is not fuel evaporation but fuel with ethanol leaving water in the system over time. Even non ethanol fuel left long enough will gum up the fuel system.

Good idea to shut fuel off and run engine till it quits but down stream fuel still an issue.
 
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