Turn fins too big?

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  • ms71171
    Senior Member
    • Jul 2010
    • 119

    #1

    Turn fins too big?

    I just upgraded the rudder on my Toysport 32" to a larger rudder and now wondering if I have too large of turn fins. They seem too big to me and tend to bend I've notice and that can't be good.
    Attached Files
    32" Toysport Triton, stepped hull, no flood chamber, 1515 1.5y NEU 1500kv motor, 180a Turnigy SC - running 6S, Aquacraft SV27 - currently running UL1 motor on 4S. Boat has seen 59mph running Feigao 11XL on 6S, 17" Velocity Minicat
  • BakedMopar
    No Mo Slipah
    • Sep 2009
    • 1679

    #2
    I like big turn fins. You would want it to hold in the corners but not drag in the water on the straights. Yours looks like it's hanging too low. If it flexes with just the weight of the boat it flexing in the water which is not good. I like to use 7075 .90 aluminum for my fins.
    If all of your wishes are granted, many of your dreams will be destroyed!

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