Author Topic: Fin Placement  (Read 3298 times)

Sam the Surfer

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Fin Placement
« on: June 10, 2019, 06:35:07 PM »
Hello,

I have a board with a quad fin set up and bought a set of twin fins to try out. Where should I place the larger twin fins, in the back closer to the tail or in the front ones further from the tail?

Thanks and sorry if this has already been posted or in the wrong thread.  ;)

jarvissup

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Re: Fin Placement
« Reply #1 on: June 10, 2019, 06:45:33 PM »
Further from the tail

supsurf-tw

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Re: Fin Placement
« Reply #2 on: June 12, 2019, 06:38:23 AM »
It will depend on
The board
How and where the fin boxes are placed
The fins.
Boards:

 
8-10 x 31 Egg
8-11 X 32 Double wing Fangtail Tom Whitaker
8-6 X 30 1\2  Inbetweener Tom Whitaker
8-4 x 30 Hyper quad Tom Whitaker (wife's now)
8-4 X 31 1\4.  Round (wide) Diamond Tail Quad Tom Whitaker
 9-4 X 30 1\2. Swallow Stinger Quad Tom Whitaker (ex wifes now)
10-0 Brusurf for teach

1tuberider

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Re: Fin Placement
« Reply #3 on: June 12, 2019, 06:50:49 AM »
Experiment

I used the smallest fins in the back boxes on a 8'5. I was very happy. It was
loose, could slide at will and with back foot placement still had drive.

Try different setups to see what you like best. As tw said, they are all unique.

Bean

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Re: Fin Placement
« Reply #4 on: June 12, 2019, 08:25:29 AM »
Experiment away, but if it looks like this, well...

Subber

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Re: Fin Placement
« Reply #5 on: June 12, 2019, 08:11:26 PM »
Experiment away, but if it looks like this, well...

"Reverse thrusters" might work but probably not "reverse 2 +1"
 ;D
Jimmy Lewis Black & Blue Noserider 10'1"x31"x4.25," 164 liters, 24 lbs, 1 box
Pearson Laird Surftech Longboard 10'6"x23"x29.75"x18"x4.375," 154 liters, 24 lbs, 3 boxes
Takayama Ali'i II Surftech 11'x21.375”x28.5”x17.25”x 4.25,” 162 liters, 26 lbs, 3 boxes

mrbig

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Re: Fin Placement
« Reply #6 on: June 13, 2019, 07:09:39 AM »
And then there is the Twinzer..
Let it come to you..
SMIK 9'2" Hipster Mini Mal
SMIK 8'8" Short Mac Freo Rainbow Bridge
SMIK 8'4" Hipster Twin
King's 8'2" Accelerator SharkBoy

eastbound

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Re: Fin Placement
« Reply #7 on: June 20, 2019, 07:06:26 AM »
weird, biggie---ive always seen the bigger fins in a quad setup forward, with the rears slightly smaller

your setup is like a twin-fin, with tweaky fronts and center

Portal Barra 8'4"
Sunova Creek 8'7"
Starboard Pro Blue Carbon  8'10"
KeNalu Mana 82, xTuf, ergoT

Badger

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Re: Fin Placement
« Reply #8 on: June 20, 2019, 09:48:53 AM »

Twinzers are weird.


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Kalama E3 6'1 x 23" 105L
Axis HPS 980 / PNG 1300
Sunova Flow  8'10 X 31"  119L
Me - 6'0" - 165lbs - 66yo

supsurf-tw

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Re: Fin Placement
« Reply #9 on: June 20, 2019, 11:48:44 AM »
I shaped Twinzers for years after the Will Jobson principles and those were amazing boards. The small fins prevented the big fins from cavitating in turns by keeping the water attached to the outside of the fins
Boards:

 
8-10 x 31 Egg
8-11 X 32 Double wing Fangtail Tom Whitaker
8-6 X 30 1\2  Inbetweener Tom Whitaker
8-4 x 30 Hyper quad Tom Whitaker (wife's now)
8-4 X 31 1\4.  Round (wide) Diamond Tail Quad Tom Whitaker
 9-4 X 30 1\2. Swallow Stinger Quad Tom Whitaker (ex wifes now)
10-0 Brusurf for teach

 


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