A forum dedicated to Hydrofoil riders
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SaulOhio
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Postby SaulOhio » Mon Jul 17, 2017 4:45 pm
I am building my own custom fuselage, and it will have room to move the mast forward and back relative to the front wing. The board I am building will also have an adjustable mast box and adjustable footstrap positions. I'd like to make sure I understand this right. The mast farther back will result in much better tracking, and farther forward will be better turning?
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Blackrat
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Postby Blackrat » Mon Jul 17, 2017 8:18 pm
No , putting the mast directly ontop of the wing results in a foil that doesn't want to turn easily ... I dont have firsthand experience on this , it's just what I've read on the forums.
It would be interesting to hear feedback when you get going
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Peter_Frank
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Postby Peter_Frank » Mon Jul 17, 2017 9:36 pm
Blackrat is right, too far forward and you kill the dynamics totally, it glides very odd, sliding and feels wrong, too far aft and it gets an undesired tendency to seek down/inward.
PF
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SaulOhio
- Frequent Poster
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- Local Beach: Mentor Headlands
Edgewater
Conneaut harbor
Fairport Harbor
Simms Park
- Favorite Beaches: Kite Point in the Outer Banks
- Gear: Slingshot Turbines, RPMs and SSTs.
Slingshot Misfit 132, Glide.
Home built hydrofoils.
Ozone R1's, 17M, 13M, 10M, 7M
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Postby SaulOhio » Wed Jul 19, 2017 8:27 pm
Peter_Frank wrote: ↑Mon Jul 17, 2017 9:36 pm
Blackrat is right, too far forward and you kill the dynamics totally, it glides very odd, sliding and feels wrong, too far aft and it gets an undesired tendency to seek down/inward.
PF
What exactly do you mean y "seek down/inward"?
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NorCalNomad
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Postby NorCalNomad » Thu Jul 20, 2017 1:23 am
SaulOhio wrote: ↑Wed Jul 19, 2017 8:27 pm
What exactly do you mean y "seek down/inward"?
I'd guess he means it doesn't want to keep a constant "elevation" in the water.
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Harri
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Postby Harri » Thu Jul 20, 2017 7:35 am
I have a custom foil and mast position in the fuselage was identical with the LF foilfish: the rear edge of the mast was exactly in the middle of the fuselage. This worked well. Recently i drilled one more hole in the fuselage and mounted the mast 4 cm more frontward (mast's leading edge is now approx.1,5- max. 2 cm behind the frontwing): result > more stability in pitch and yaw and not so agile. I like it more! Only on a spot with some waves i would go back to the old setup to have an agiler pitch in waves.
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