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Thread: Own a piece of boat racing history with one of these props

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    Default Own a piece of boat racing history with one of these props

    Props are priced at 75.00 each plus shipping. If more than one prop is purchased, discounts may be available depending on number of props. Send a PM if you have further questions.

    Disclaimer:

    These props were all measured for pitch on a CPM pitch gauge by Tom Moulder. SOME PROPS MAY MEASURE A DIFFERENT PITCH DEPENDING ON WHAT TYPE GAUGE THEY WERE MEASURE ON, from one gauge type to another gauge type with the same prop. If you want to take a look at the type gauge these were measured on there are pictures of two of those type gauges on Hydroracer web site that have just been listed in the for sale category.

    All these props have a 15MM Prop shaft hole and a 3/16" shear pin hole. None have an additional shear pin hole in the front of the hub.

    These three props are Michigan SS blanks and were worked by Bill Seebold Sr. and used in setting the Electric Boat Kilo and 1/4 Mile Drag Records at Table Rock Lake in the 70's by Eagle Picher Corp. I built the boat, Harry Pasturczak designed the propulsion unit using a flange mounted General Electric fork lift truck motor and sprocket and chain drive on a Yamato 80 tower housing and lower unit so as to allow quick gear ratio changes, and Bill Seebold Sr. worked the props.



    #5. Number on hub is Z1. Prop is 6 1/2 in diameter and 12 pitch in middle of blade and 14 pitch on trailing edge with very slight cup.

    #6. Number on prop is Z2. Prop is 6 5/8 in diameter, and 12 1/2 pitch in middle of blade and 13 1/4 on trailing edge. Prop has been cupped I would describe as medium.

    #*. Number on prop is Z3. Prop is 61/2 inch in diameter, 12 1/2 in middle of blade and 14 1/4 on trailing edge. Prop has been cupped I would describe as "aggressive".
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