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  • Re: Fuel siphoning out of carb, 462 SC

    by » 10 years ago


    X air going well Nick ! Been to Ince a few times !
    Funny thing with these Bing carbs, siphoning like that, isn't it. I guess they all do it then. I had hoped that there was an alternative to removing the bowl every time and having to consequently spend on new cork gaskets ! Huw

  • Re: Fuel siphoning out of carb, 462 SC

    by » 10 years ago


    I take mine off every pre flight anyway to fill them up as I have no hand primer bulb anymore....the gaskets seem long lasting things.

    Nick.

  • Re: Fuel siphoning out of carb, 462 SC

    by » 10 years ago


    Yes,

    There is a way to prevent fuel pouring out of the carb every time you break the plane. You should have two breather outlets, one either side of the carb. I guess you have the single clear plastic breather tube that goes round from one to the other, and has holes in it. I suggest replacing the single tube with two tubes, one each side. Looking at the carb from the front, make the one on the right about 7 - 8" long and the one on the left about 4 - 5" long. The end of each tube will be held by pushing it under the metal wire that holds the float bowl in place, but here's the thing, put BOTH of them under the wire on the left hand side of the carb.

    See the attached picture to see what I mean.

    This will mean that even when the carb is tilted 70degrees to the right, which it does when you break the plane, the fuel will just go out of the right hand breather and into the right hand breather tube, but as the tube outlet is above the level of the float bowl, it doesn't drain out.

    Best regards,
    IMG_0692_small.jpg (You do not have access to download this file.)

  • Re: Fuel siphoning out of carb, 462 SC

    by » 10 years ago


    Bob, thank you, that's brilliant !
    I think a few others will find that interesting too !
    Much appreciated Huw

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