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Thread: I need a gear set for a vintage Graupner Hydrospeed 500 drive system

  1. #31

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    Quote Originally Posted by bogieboy View Post
    No problem, should pick up the speed abit too as its a 1:1 setup instead of whatever the graupner is, mine was 2:1, then the gears shattered, then i found the 1.5:1....
    Increased speed would be great! But I wouldn't notice a speed increase since the first time I tested the boat on my bench the vintage pinion gear busted I wanted to keep everything vintage on the boat except for TX/RX and batteries but that might not be possible.

  2. #32

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    Why don't I just sell you a Hughey gear box to replace yours? I got lots of gears. Might list them soon.
    Nortavlag Bulc

  3. #33

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    Quote Originally Posted by ray schrauwen View Post
    Why don't I just sell you a Hughey gear box to replace yours? I got lots of gears. Might list them soon.
    I am trying to keep this boat as close as possible to the one I built and modified when I was a kid. That's why I have been so stubborn on the gears.

    https://forums.offshoreelectrics.com...light=firehawk

  4. #34

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    I understand but those gears can hardly take stock power. I remember blowing them out of my Systems Cat long ago. A hughey would last for much longer.

    That said I think a Hobby shop I know might have some gears I can check if you like?
    Nortavlag Bulc

  5. #35

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    i have the speed 700 and ran 6s 3672 2150kv brushless thru them no problem, but... those were the newer white nylon gears, not the older gray plastic ones.

  6. #36

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    ezhitz is sending me the gears he found, thank you! If I break gears again I will use the belt drive stuff I ordered, if that fails I will go direct drive.

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