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What size props for KG4H and KG7H on a hydro?

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  • What size props for KG4H and KG7H on a hydro?

    Picked up some vintage motors... what would I put on these?
    What size 2 blades did they use back in the day?
    Anything in todays prop boxes work?
    Fralick Racing
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  • #2
    Originally posted by Andrew 4CE View Post
    Picked up some vintage motors... what would I put on these?
    What size 2 blades did they use back in the day?
    Anything in todays prop boxes work?
    KG-4...6” Diameter X 9” Pitch...........KG7, somewhat larger but not much...2 blades of course, assuming you want to stay original.
    sigpic

    Dean F. Hobart

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    • #3
      I agree with Dean on the prop size for the KG4 and I further think that a KAMIC 23636 would work well on the KG7. Good luck getting the KAMIC.

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      • #4
        David or Alan would have something in a 2 blade 1:1 just call and ask:

        http://store.aeroliner-boats.com/epa...New%20Parts%22
        "Keep Move'n" life is catching up!
        No man's life, liberty or property are safe while the legislature is in session.

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        • #5
          Thanks for the info/leads people. That should get me started.
          Fralick Racing
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          • bh/
            bh/ commented
            Editing a comment
            A; I have an A Kaminc and a few OJs and a Cary ?, in my old prop box [x/Noonan) that if I recall came from McManus; "best I ever ran" he said. If u or your dad are coming to Tweed on the 29th i will bring them there .

          • rumleyfips
            rumleyfips commented
            Editing a comment
            That is probably an A alky Record 6x9 from John Hannon's Anzani. I changed the pitch myself. Good prop.

        • #6
          Outboard Paradise had a bunch of 60's/70's props on ebay ( Blackberry bay ) at $50 @ not to long ago.

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          • #7
            Originally posted by Graham View Post
            I agree with Dean on the prop size for the KG4 and I further think that a KAMIC 23636 would work well on the KG7. Good luck getting the KAMIC.
            Amazing that you mentioned the Kamic 48-23636.... Those were the ‘Blanks’ that R. Allen ‘Papa’ Smith used to make all my A Stock Hydro record propellers. They had lower pitch at the hub.
            sigpic

            Dean F. Hobart

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            • Graham
              Graham commented
              Editing a comment
              Yeah, Allen Smith really knew his stuff when it came to props. He did all of ours. He did the BSH prop for the Champ Hot Rod I ran in 1962 against the merc 20h conversion (his note to my Father read "see if this don't run like a scared rabbit"). It did and I won 10 out of 14 BSH races that year. the 23636 was the prop for the unconverted merc 20h with 1 1 gears for short to medium courses. Brings back some good memories.

          • #8
            I got an ASR prop from him in the &0's. He said he had some 48-23636 blanks cast in Korea.

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            • #9
              Originally posted by rumleyfips View Post
              I got an ASR prop from him in the &0's. He said he had some 48-23636 blanks cast in Korea.
              That is cool... Papa Smith was a genius propeller builder...I can’t imagine how many of his propellers won National Championships and World Records including regional races for lots of us boat racers.

              He was also a very fine gentleman. I was privileged to meet him in person several times.

              His address was....6329 Thornhill Avenue, Shreveport Louisiana ​​​71106........ How’s that for a memory!!!
              sigpic

              Dean F. Hobart

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