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mastbox in SUP
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hilton08



Joined: 02 Apr 2000
Posts: 393

PostPosted: Sat Mar 09, 2013 10:31 am    Post subject: Reply with quote

RichardMueller wrote:
My 2011 Fanatic Fly SUP is 11 feet x 32 inches; 220 liters.

One mast position is located 66 inches from back of board; the second mast position is at 73 inches from back. I have always sailed with mast stepped at the 73 inch position.

Richard


Funny, I always sail my 10'6" Fly with the mast base in the rear position, just ahead of the handle.

If I was modifying a standard SUP, I think I would install a row of 3-4 footstrap inserts (instead of a track) in the deck so you could screw a 2-bolt base down with 2-3 options for placement. This should be less work than routing out the board for a track, be stronger than a single bolt insert, and barely noticeable if you removed the base for paddling.

I remember Hi-Per Tech built their windsurf boards like this back in the day to save weight.



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d0uglass



Joined: 28 May 2004
Posts: 1080
Location: Bonita Springs, Florida

PostPosted: Sat Mar 09, 2013 2:00 pm    Post subject: Reply with quote

I would base it on the balance point where you stand when you're SUPing it in flat water. The mast base definitely needs to be FORWARD of that point, but not WAY forward of that point.

I leave the two-bolt Chinook baseplates on my Angulo 10'4" and Exocet WindSUP 11'8" when I paddle them in flat water, and I notice that the baseplates are about 6" in front of my toes then.

So I'd aim for the center of your mast track to be about 6" in front of the "toe line," which would let you put the mast base anywhere from about 2" - 10" in front of the toe line.

Good luck, and let us know how it goes.

-James

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