Rudder removal
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Rudder removal

  1. #1
    These colors don't run BLWN BUX's Avatar
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    Default Rudder removal

    I bet that this has come up several times but I couldn't find any past threads.

    I am going to remoe my rudder for a little expected speed increase

    What could be expected? 1-2 MPH?
    I am sure that this is relative to a lot of factors like how fast is allready.
    My boat is heavy and does about 80

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  3. #2
    Senior Member jetboatperformance's Avatar
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    Just a hunch that the low speed steering benefits of the rudder on the big boat might outweigh the minimal gain in MPH you might gain Tom

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    Why don't you try it out "without" first? If you hate it put it back on. Even if you trim it to a nub it's worthless. I run my "Deck" without and it's a little tight getting in and out of Gooseflats with another boat passing. And speed wise i doubt you'll notice. It's not too bad you just have to get used to it.

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  6. #4
    These colors don't run BLWN BUX's Avatar
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    A few years ago, I took one off my Eliminator 21 V-Bottom and control was fine.
    That 21' was a 60 MPH boat and I didn't realy notice any speed gain or control loss.

    I am going to try removing it.
    If i don't see more than 3 MPH Then I will put it back on.

    I raised the ride plate angle and I did pick up bow lift and 5 MPH boat speed . But It looks like the rudder is dragging preaty hard now with a droop snoop.

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    It's " snoot" but you might pick up that much. I would either run one or don't. I have cut them down and they don't work our boats are too big and heavy. my02

  8. #6
    Wet
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    I removed mine to gain 5mph on my 21 Daytona.

    Yes, 5. I had the large rudder on mine, and I took that stupid thing off. At idle, it performed the same with or without. What I really noticed, is that when you're on plane, and you try to turn with the rudder on, it slowed the boat with all the drag it was putting into the water. The rudder was basically acting like a speed brake on an F15 when you tried to turn, it just scrubbed speed. It took a lot of wheel effort to maintain a gradual turn. When I took it off, the steering effort was greatly reduced, it actually turned better allowing the thrust to turn the boat instead of a worthless rudder, the drag was reduced and the speed increased. I'll never put it back on.

  9. #7
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    Thanks Wet-My boat is also hard to turn the stearing wheel.

    And

    I also notice that when I am doing a high speed run that i must keep the wheel perfectly straight. It I turn the wheel a tad, it slows the boat down (like 7-8 mph) even though the direction of the boat does not seam to change. Turn the wheel more then of coarse the boat changes direction.

    Does seam to act like a speed brake as you describe

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