Speed board finishes which is faster!

> 10 years ago
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stroppo
stroppo
WA
748 posts
WA, 748 posts
15 Apr 2013 10:04pm
While there is not much wind i'm doing some maintenance on my speed boards which is the way to go the so called speed finish or highly polished ? I no the latest mistrals are smooth as so i thought that is the way to go just a bit more work or the good old speed finish or is this only good for low to moderate speeds I don't know. Please help me decide friction gurus! Thanks!
hardie
hardie
WA
4133 posts
WA, 4133 posts
15 Apr 2013 11:27pm
stroppo said...

While there is not much wind i'm doing some maintenance on my speed boards which is the way to go the so called speed finish or highly polished ? I no the latest mistrals are smooth as so i thought that is the way to go just a bit more work or the good old speed finish or is this only good for low to moderate speeds I don't know. Please help me decide friction gurus! Thanks!


Hey Strop, just so the Elderly Mandurah Erectile Dysfunction Mob have a bit more of a chance, I've got a grinder that can do a noice finish on your boards
Bonominator
Bonominator
VIC
5477 posts
VIC, 5477 posts
16 Apr 2013 9:06am
Hey, Strop, sometimes a fraction too much friction is a good thing!
But seriously, I'm in the sand fin with 1000 grit, polish board to buggery camp.
keef
keef
NSW
2016 posts
NSW, 2016 posts
16 Apr 2013 9:55am
this mite sound like a stupid answer , a golf ball finish will reduce the wetted surface area
Roar
Roar
NSW
471 posts
NSW, 471 posts
16 Apr 2013 3:36pm
The golf ball finish is best only because the ball is spiinning. unfortuneatly you cant spin your board.


keef
keef
NSW
2016 posts
NSW, 2016 posts
16 Apr 2013 4:15pm
Roar said...
The golf ball finish is best only because the ball is spiinning. unfortuneatly you cant spin your board.



mmmmmmmmmmmmmmm that figures Leo said his eyballs were spinning at 42.7nts in short chop, his board has a golf ball textured bottom

Bonominator
Bonominator
VIC
5477 posts
VIC, 5477 posts
17 Apr 2013 11:27am
While we're at it in the doldrums, I also have an untested theory that we could sand the first third of a fin's profile with 1000 grit and polish the rest. This should ensure laminar flow at the critical leading edge and reduce drag in the tail section of the foil. If anyone's got time to test this have a go and let me know! You could polish the whole thing then take to the front third with 1000 grit. Easy.
boardboy
boardboy
QLD
554 posts
QLD, 554 posts
17 Apr 2013 5:35pm
keef said...
this mite sound like a stupid answer , a golf ball finish will reduce the wetted surface area


that was the theroy behind the Mach 8-TX...
www.vintagebodyboards.com/item.asp?ID=026
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