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2013 Towboat Evaluations

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  • 2013 Towboat Evaluations

    Just looking at the Towboat evaluations in this months Waterskier Magazine. Anyone know why they refer to the 190/197 as unmodified? What would the modifications be? Engine? Hull? Both?

  • #2
    AWSA considers a boat to be modified if any of the following occur.

    "New or Modified Towboat

    A towboat model tested at the preceding year's towboat test will be considered "new or
    modified" when any of the following conditions are met:

    1. Non Propulsion System Related Items
    (a) The towboat hull / plug has been changed or modified in any way from the
    gunnel downward. This includes changes to spray rails, strakes, etc. This also
    includes a change in the size or location of the stability fins or shaft location.

    (b) A change is made from a closed deck to an open bow, or vice versa.

    (c) There is a change in engine placement or location.

    (d) A change in speed control software or hardware that impacts the skiers’ pull in
    slalom, trick or jump.

    (e) There is a change in total weight of more than 10%.

    (f) Any other changes must be approved by the AWSA Towboat Committee prior to
    the boat tests.

    2. Propulsion System Related Items
    (a) There is a change in the engine manufacturer or model as tested from the
    previous year. This includes cubic inch displacement, horsepower,
    carburetion/EFI, engine management system (ECM), etc.

    (b) There is a change in transmission gearing (e.g., 1:1, 1.25:1, 1.5:1, etc.).

    (c) There is a change in propeller size, blade number or material (I.e.: bronze to
    This came from the 2012-2013 AWSA Tow Boat Policy Manual