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Thread: Mystery cable

  1. #11

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    Default Re: Mystery cable

    Quote Originally Posted by mdcf18 View Post
    Just a guess but could it be one of the elevator - trim interconnect cable?
    Chuck
    1959 PA22/20
    That's what I thought too, but mine is installed, and this one is much thicker. I'm thinking it was used to lift the engine off come to think of it.

  2. #12
    Steve Pierce's Avatar
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    Default Re: Mystery cable

    Quote Originally Posted by mdcf18 View Post
    Just a guess but could it be one of the elevator - trim interconnect cable?
    Chuck
    1959 PA22/20
    Looks to be an 1/8" cable in the picture compared to the AN3 bolt, the bungee cables are 1/16" if I remember correctly.

  3. #13
    Shermanj1's Avatar
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    Default Re: Mystery cable

    I have similar mystery cable that looks just like that. Runs from the engine hoist attachment point through the firewall and wraps around the frame under the windshield.
    Im thinking of removing it as it does not do anything except add weight and doesn't make a good ground since its pretty loose.



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  4. #14
    Shermanj1's Avatar
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    Default Re: Mystery cable

    IMG_6278.jpg
    This is my mystery cable. This maybe a stupid question but what reason would there be a cable from the engine hoist mount, through the fire wall and wraps around the frame.
    Can I remove it?


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  5. #15
    Steve Pierce's Avatar
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    Default Re: Mystery cable

    I have seen this done on Formula 1 race planes in case they shed a prop blade at 4000 rpm the engine imbalance can be so bad that the engine shakes off its mounts. Never heard of this happening to a Short Wing.

  6. #16
    Gilbert Pierce's Avatar
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    Default Re: Mystery cable

    You sure itís not a ground wire. The engine is mounted on rubber. Without that the engine has no ground for the starter. The starter ground path is to the engine crankcase. The crankcase is isolated from the battery ground by the rubber mounts.
    Without the ground strap from the engine case to the airframe the starter will find a ground thru the engine controls and fuel line. NOT GOOD. Plus the starter will turn real slow.

  7. #17
    Shermanj1's Avatar
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    Default Re: Mystery cable

    The cable is loosely attached and there are two other ground cables from the firewall to the engine mount then to the engine. Never seen it before. Maybe when i remove it ill also put a new grounding strap on just to make sure.


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