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  1. #1

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    WEBRA SILVERLINE

    HI i have an older webra silverline 61 can you tell me the best size apc prop to run on this engine- and the RPMS i might expectusing an 11/6 apc running a little rich at 12,30012,4000 would like to run an 11/5 apc or should i be thinking -11/7 thanks
    \" The power and performance glo fuel , 15 % Morgan Omega \"

  2. #2
    rainedave's Avatar
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    RE: WEBRA SILVERLINE

    I think 11x6 is as small as I'd go. 11x7 or 11x8 are probably best for that engine. Those are the props the engine was designed to turn.

    David

  3. #3

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    RE: WEBRA SILVERLINE

    HEY DAVID thank you for your inputTONY
    \" The power and performance glo fuel , 15 % Morgan Omega \"

  4. #4
    Johnkpap's Avatar
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    RE: WEBRA SILVERLINE

    My 1960's webra 61 (10cc) runs best with a Master Airscrew 12 x 8 Prop, it likes heavy props:- I found wood ones
    to have Idle issue and problems with midrange.


    Johnkpap

  5. #5

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    RE: WEBRA SILVERLINE

    I was gona suggest a 12~6 as most of these older .60s were designed to use. The rpm may be down a bit but depending on the plane this could make a good combo. Mainly, you have to do a bit of experimenting.

    Terry in LP

  6. #6
    Sport_Pilot's Avatar
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    RE: WEBRA SILVERLINE

    If this is a 70's or 80's Silverline, i expect the 11-7 prop would be best. Especially on a pattern or pattern like aircraft.
    Glow Head Brotherhood #15


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