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  1. #1
    Join Date
    Dec 2007

    pantera 28 prop slip

    hey all ive been trying to contact bblades for a few days now but brett must be very busy
    ive a 28 pantera with 300hp [email protected] bravo x drive 1.5-1 but im getting 25% prop slip with 17.5 x dimentions
    stock bravo one 4 blade
    the boat weighs 4600lbs

    any suggestions

    cheers gerard

  2. #2
    Charter Member # 55 Charter Member Griff's Avatar
    My Boats:
    ..........32........... Active Thunder
    Join Date
    Oct 2000
    My single engine 525SC boat was about 17-18% slip with a tweaked 26" Barvo 1 prop.

    When calculating slip for a Bravo prop, subtract one of pitch. The stamped pitch is higher than actual pitch.

    Your boat is a lot lighter than mine was though. Mine was a full pleasure boat and probably around 5400lbs. I also had a notched transom with a 20.5 X dim and ran a 3" spacer to lower the propshaft depth.

    You may want to try a 1/2 inch spacer.

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