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    Kiekhaefer Awarded Patent On New Variable Propeller Pitch Surface Drive
    #1
    Truly innovative on many levels, this product could be a game-changer, https://speedonthewater.com/new-boat...-surface-drive.

    Look for a comprehensive feature in the January/February issue of Speed On The Water digital magazine.
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    #2
    I remember seeing another product similar to this on a military application a few years back.

    anyone else see that?
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    #3
    Founding Member / Super Moderator Ratickle's Avatar
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    Will it be offered in different ratios, possibly an overdrive? The diesels we've tested all seem to need an overdrive to meet the typical propeller RPM needed in offshore performance boats.
    Getting bad advice is unfortunate, taking bad advice is a Serious matter!!
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    #4
    Founding Member / Super Moderator Ratickle's Avatar
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    I do not remember the military drive with variable pitch.

    I had a Land and Sea Torque Shift prop once. Does that count?
    Getting bad advice is unfortunate, taking bad advice is a Serious matter!!
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