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Loss of efficiency due to prop angle

Discussion in 'Props, Shafts & Seals' started by wdrzal, Nov 10, 2006.

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  1. wdrzal

    wdrzal Senior Member

    Joined:
    Feb 6, 2006
    Messages:
    402
    Location:
    Baltimore
    Question? why do most boat builders still use the method of pitching the motor a few degrees and running a straight shaft with the prop pitched a few degrees losing some efficiency because its not perpendicular to the hull ?????

    By using a constant velocity joint so the prop could be mounted 90 degrees or what ever angle that gives the best efficiency?????

    Is there a reason I,m unaware of????? ,as marine constant velocity joints are already in use on surface drives !!!!!!!!

    Talk about slow to change old ways of Thinking !:confused: While above water what you can see has the coolest ,newest designs !!!!!
  2. nano-J

    nano-J New Member

    Joined:
    Apr 28, 2005
    Messages:
    43
    Location:
    Ft. Lauderdale
    IPS Drives

    check out the new LAZZARA LSX. Witness the death of straight drives!