REFLECTOR: Turn Coordinator

Carl Hoffman hoffman3 at erols.com
Fri Mar 13 13:57:59 CDT 2009



---- Original message ----
>Date: Fri, 13 Mar 2009 12:57:26 -0400
>From: Tom <tomcat05 at comcast.net>  
>Subject: Re: REFLECTOR: Turn Coordinator  
>To: reflector at tvbf.org
>
>Occasionally, I will lose fuel from the left fuel tank if the fuel cap is not sealed well enough with petroleum jelly. Is this related to uneven fuel flow?
>
>I fly with a Navaid autopilot that's coupled to Garmin 296 GPS. It has an electric gyro with CDI and slip indicator.  It flies straight and level, but the right rudder moves 1/4" outboard against the rudder spring during flight. Are the rudders rigged properly?
>
>Carl Hoffman
>
>------------------------------------------------------------------------
>   
>Carl, it sounds like the two issues presented  (uneven fuel flow and 
>rudder movement) are related. Took me a while to get the aircraft 
>trimmed properly on initial flights and I found that when the ball was 
>off center one tank would drain faster than the other. After I got the 
>rudders trimmed properly the issue went away. is your ball centered 
>during straight and level flight? The other baffling thing to me is how 
>a rudder would move outboard without pilot input, The rudders curve 
>slightly outboard of the stab which would tend to be pushed in with the 
>relative wind. Tom
>_______________________________________________

Tom, the ball is centered during level flight. It hardly moves in turns.
If I was "flying sideways", wouldn't one of rudders move outboard, unless I put in a stronger rudder return spring? Or move the stop on the opposite rudder inboard. Carl


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