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Loading Your Rudder


Garn
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I have taken at least 1/8th inch off of my Moomba's rudder (on the right side) and it has not helped. Maybe it has, just a bit. Im going to grind it more this weekend. I don't know what the deal is. Essentially I've ground quite a bit with no results. If you oops, and grind too much, you can always grind the other side.
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@DW I read the info you gathered and the part about attaching a piece of plastice to the rudder intrigues me. Any idea where exactly would you attach it? I believe it would be attached to the left side of the rudder. But would it be attached towards the bottom, middle, or top of the rudder? Also, where do you get the plastic? What exactly is a plastic shop?

 

Thanks for your help.

 

Garn

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"What exactly is a plastic shop?" more like a plastic supplier, If you need scrap plastic I have tons. But I believe "starboard" is more of an engineered marine plastic that is supposed to machine like wood/using woodworking tools.

 

Not that other products wouldn't work for the same purpose.

 

You would of course still be drilling into your rudder, so not for those who do not drill and tap straight holes.

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@garn

 

if the prop is LH rotation, grind the trailing edge on the right (drivers side). Do not make it a 45 degree, it should be more rounded lead in and out. The more you remove, the more the boat will want to turn right. Personal preference as to how much, but you want enough to keep it from wandering as you steer down the lane. Tour/Promo boats have a fair amount of pull.

 

If you grind too much, you can not always fix it by grinding the opposite edge because it will fight the other side and you are right back to the wandering.

 

Grind, drive, grind, drive, etc.

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@Garn: The plastic can be either Starboard or maybe ABS, etc. A marine store will have Starboard or a local plastics supplier (yellow pages) will carry something that will work. You can attach anywere along the trailing edge (opposite of grind side). I would personally grind the rudder. Check out a newer Malibu as that boat has a rudder torque tab you could simulate with the plastic piece and you will notice it is not that big.
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