juggernaut1
Well-Known Member
- Apr 19, 2015
- 1,152
- Boat Info
- Boatless - sold Searay 38 Sundancer
- Engines
- 8.1’s
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A plane can only fly right side up?
That is the way "some" airfoils work. There are many that are fully symmetrical and generate lift by the angle of attack.An airplane wing is concave on one side and convex on the other creating high pressure below and low pressure above, which provides lift. If a rudder were shaped like a wing, just moving through the water would try to move the stern of the boat resulting in constantly fighting the wheel.
Steep turns require additional power as the horizontal component of lift disappears.
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I managed to find Masterfabs blog and have posted an excerpt re his modifications to made to the rudders:
View attachment 48207
Thanks for your info Dale. Super clean work. I made my bilge pretty too but you got me beat there. I cant post pictures though.