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Thread: Prop size

  1. #11

    Re: Prop size

    Hard to believe the OEM would be 23 inches- that is tiny for a 53MY. And I have never seen a 23x31 wheel. 28 sounds more like it.

  2. #12

    Re: Prop size

    I’ll measure them this weekend to see if the build sheet is correct or not.
    Pete. 1980 53 my. #575

  3. #13

    Re: Prop size

    My 43DC had 24 x 24 so a 53 should be way larger.

  4. #14

    Re: Prop size

    28" is the most common size for the 53MYs. I had a pair for sale a while back and the most common application was for the 53MYs. unless you have very shallow reduction gears.
    Jack Sardina

  5. #15

    Re: Prop size

    My Hatteras manual shows 28x28 with 8V71Ns 2:1 gears My spares were 28x26 4 blades nibrals which I had pitched down to 28x24 for the new 6CTAs also 2:1 but 2600rpm which I reach at 19.5kts.
    Pascal
    Miami, FL
    1970 53 MY #325 Cummins 6CTAs
    2014 26' gaff rigged sloop
    2007 Sandbarhopper 13
    12' Westphal Cat boat

  6. #16

    Re: Prop size

    Blackdog props does the props for viking factory. He says none of the props come from the factory ready to go on a boat.
    FTFD... i drive a slow 1968 41c381

  7. #17

    Re: Prop size

    My 58YF is ideal with 28x 30 four blade,

    23 can’t be right 43’ trawler had bigger props. Good luck
    GLORY Hull # 365
    Northport, NY

  8. #18

    Re: Prop size

    With 465hp 6v92's, my 53 came with 28x32 2" shafts, 2:1 reduction. I ended up dropping pitch to 28 1/2" to get full loaded rpm to 2350.
    Sky Cheney
    1985 53EDMY, Hull #CN759, "Rebecca"
    ELYC on White Lake--Montague, MI

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