correct combinations

Discussion in 'Powerboats' started by jake, Mar 23, 2002.

  1. jake
    Joined: Mar 2002
    Posts: 3
    Likes: 1, Points: 0, Legacy Rep: 12

    jake New Member

    hi im working on correct combinations for hulls vs hp and rpm, to the required gear box to suit a certain drive assembly

    for instance the criteria is
    planning hull
    displacemnet hull
    semi displacment hull, from 8M through to 14M

    with a selection of engine power eg,

    60 hp 3000rpm
    70 hp 3200rpm
    90 hp 3200rpm
    120hp 2500 rpm etc

    then the type of drive eg which one ones would be suited to each hull and hull length, and why

    shaft drive
    stern drive
    jet drive
    surface drive
    hydralic drive

    then what gear box ratio i will apply


    so could anyone give me a link to a site that explains how to apply combinations correctly, or any advice would be apreciated
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