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How do you round the rudder for speed and handling?
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Take a Dremmel tool to it with the sanding stone. The bottom of the leading edge is were I round mine off. If you need pics of mine....let me know. -
Just what does rounding the rudder do to the running of the boat? pictures?Comment
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It reduces drag.....you want pics on how I did it?Comment
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Pics would be great!Comment
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the square rudder turns better I think"Our society strives to avoid any possibility of offending anyone except God.
Billy GrahamComment
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I haven't tried both one after the other on the same boat to find out but by looking at it I don't see how the rounded leading edge is less drag, to me it looks like rounding it bluntens the leading edge making more drag, producing lift and probably stopping the area if the rudder behind the blunt section from working.Paul Upton-Taylor, Greased Weasel Racing.Comment
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Actually, the flat bottom of a rudder creates lift...rounding relieves the lift.Comment
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I round of my rudders both sides so theirs no flat area on the bottom at all, As has already been mentioned it reduces lift. Martin.Comment
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any pictures guys?Comment
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Here is what I have found.
Rounding the bottom removes the riding surface. I do this on all boats regardless of the type.
Rounding the leading edge to bottom (we call this knifing the blade) making a radii from the leading edge to the bottom creates lift in the corners.. the higher up you make the radii the more lift.
Its kind of like filing the leading edge back.. not all that desirable on most air suspended hulls.
In most cases this is BAD on a mono but can be used to tune a Hydros cornering speed.
Not sure this helps..
Sorry I don’t have a pic..
GrimComment
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thx grim for the info.Comment
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Ahh its knifing that I was talking about, just never heard that term used for it.Paul Upton-Taylor, Greased Weasel Racing.Comment
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Its nice to see the light bulb go off like that.
You are well on your way!
Happy Boating
GrimComment
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