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Thread: What Auxilary Fuel Pump Should I Use - Rotax 582

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    Default What Auxilary Fuel Pump Should I Use - Rotax 582

    Hello all, I am rebuilding a Model 3 with a 582 and need to buy an auxilary fuel pump. What do you all use? Facet model ____? Thanks.

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    Senior Member Dave S's Avatar
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    Default Re: What Auxilary Fuel Pump Should I Use - Rotax 582

    Steve,

    Although I am running a 912; and, not a 502, I am using a 40105 model facet for backup and (ocasional) priming. Aircraft Spruce has a pretty good chart showing the characteristics of the various Facet models. The major issue is not to get a pump which would provide a fuel pressure greater than what the engine model will tolerate. In my case, I went for the 40105 because its pressure rating was 3-4.5 psi which is within the specification for fuel pressure on a 912. I have also tested the engine line pressure with the mechanical pump alone and with the mech pump and facet together and found a very small/insignificant rise in pressure with both pumps functioning and certainly remaining within the engine specification.
    Dave S
    Kitfox 7 Trigear (Flying since 2009)
    912ULS Warp Drive

    St Paul, MN

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    Default Re: What Auxilary Fuel Pump Should I Use - Rotax 582

    Dave, perfect. Thank you. I was also concerned about the fuel pressure for the two Bing carbs.

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    Default Re: What Auxilary Fuel Pump Should I Use - Rotax 582

    Quote Originally Posted by Steve Sands View Post
    Hello all, I am rebuilding a Model 3 with a 582 and need to buy an auxilary fuel pump. What do you all use? Facet model ____? Thanks.
    Hello Steve,
    I too had the same question that you have. Here is what I have found. Facet 60245, 1.5-4 psi, in line, no check valve.
    Brad

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    Default Re: What Auxilary Fuel Pump Should I Use - Rotax 582

    Quote Originally Posted by OLDMNSX View Post
    Hello Steve,
    I too had the same question that you have. Here is what I have found. Facet 60245, 1.5-4 psi, in line, no check valve.
    Brad
    Brad, thank you, that is what I am using. Have a great day.

    Steve

  6. #6
    Senior Member 109JB's Avatar
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    Default Re: What Auxilary Fuel Pump Should I Use - Rotax 582

    On the 582 there is a way to use a pump with the check valve. The benefit is that replacement are cheap and available at most any auto parts store. A bit later I can put a picture of how it works.
    John Brannen
    Morris, IL
    Sonerai IIL (Single Seat)
    Kitfox 3/4 1050 - Rotax 582 (Back Flying and sold)
    Kitfox IV 1050 - Rotax 582 (sold)
    Kitfox IV 1200 Speedster - Rotax 912 UL (project)
    Piper Twin Comanche (Sold)
    Glasair 1 FT (Waiting to start)

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