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Foil Boxes
Foil boxes are the components that connect your hydrofoil to your board.  Standard mounting configurations are the deep tuttlebox style foil box or the twin track style foil box system.

The deep tuttle style works great on thicker boards like sailboards and is a secure method of attachment that holds the foil mast to the board by bolting through the top of the board and pullilng the mast head snug up against the inside of the box.

The twin track foil box system is a versatile system that allows is better on thinner hydrofoil boards, as it only requires a little over an inch of board thickness to install.  This system also allows for some adjustment in the placement of the foil mast forward and aft on the foil board.

The twin track system can be done by installing 2 foil tracks into a board or by installing a high density foam cassette that has two boxes already installed in it.  If the foam density of the board is less that 2lb/cu ft we would recommend using a cassette.
 

 
Hydrofoil Foil Board Part Foil Boxes

4. 75in. Flanged Hydrofoil Box (Tuttle Fin)
4. 75in. Flanged Hydro Foil box accepts the mast head of the hydrofoil for SUP, Surf, Kite, and Sailboard hydrofoils that have a "Tuttle" head.

Made from carbon fiber and epoxy resin to have a high strength to weight ratio

Also used for sailboard fins that have a "Tuttle" head.  

Outside dimensions are 7.5" long, 2" wide, 4.75" high (height can be trimmed down)
Weight 0.6

Price:Varies by Qty


(W) Futures 10.75" 1-Shot Center
(W) Futures 10.75" 1-Shot Center
(W) Futures 10.75" 1-Shot Center longboard center fin box and hydrofoil track box.

Designed by the fin geniuses at Futures this longboard center box features a one piece design and stress distributing flange system in an under the glass fin box install.

Standard fin boxes are molded in 2 pieces and joined with an adhesive.  This can often be a weak point in the fin box that breaks and allows water intrusion in the board, with the 1 shot design there are no glue or bondlines in this fin box.

Ever noticed that a lot of boards with standard longboard fin boxes develop a brown spot at the front of the box?  This is a stress point that a standard fin box install doesn't address, look closely at that area and chances are there will be small hairline fractures in that area running perpendicular to the box.  Because this box has a rounded flange to distribute stresses at the front of the box and is installed under the glass it is much less likely to have issues.

Due to this box's design it is an excellent choice for twin track installations in foil boards.

 

Price:Varies by Qty

(B) Futures 10.75" 1 - Shot Center
(B) Futures 10.75" 1 - Shot Center
(B) Futures 10.75" 1-Shot Center longboard center fin box and hydrofoil track box.

Designed by the fin geniuses at Futures this longboard center box features a one piece design and stress distributing flange system in an under the glass fin box install.

Standard fin boxes are molded in 2 pieces and joined with an adhesive.  This can often be a weak point in the fin box that breaks and allows water intrusion in the board, with the 1 shot design there are no glue or bondlines in this fin box.

Ever noticed that a lot of boards with standard longboard fin boxes develop a brown spot at the front of the box?  This is a stress point that a standard fin box install doesn't address, look closely at that area and chances are there will be small hairline fractures in that area running perpendicular to the box.  Because this box has a rounded flange to distribute stresses at the front of the box and is installed under the glass it is much less likely to have issues.

Due to this box's design it is an excellent choice for twin track installations in foil boards.
 

Price:Varies by Qty

10in.  Fin Box, Chinook (#300)
10in. Fin Box, Chinook (#300)
10in. Fin Box, Chinook Strongbox (#300)

One piece construction sailboard fin box.

Also makes a great box for twin track foil board systems.

Weight .5

Price:Varies by Qty

4in. Flanged Hydro Foil Box (Tuttle Fin)
4in. Flanged Hydro Foil Box (Tuttle Fin)
4in. Flanged Hydrofoil Box  used to mount the hydro foil mast into the SUP, Surf, Kite, or Sailboard. 

Made from carbon fiber and epoxy resin to have a high strength to weight ratio

Also used for sailboard fins that have a "Tuttle" head.  

Outside dimensions are 7.5" long, 2" wide, 4" high 

Weight 0.5

Price:Varies by Qty

5 Items Found in Hydrofoil Foil Board Part Foil Boxes
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Fiberglass Supply
11824 Watertank Rd
Burlington, WA 98233
United States
Ph: 877-493-5333
Fax: 360-757-8284
e-mail: Rich@fiberglasssupply.com
 

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4. 75in. Flanged Hydrofoil Box (Tuttle Fin)
4. 75in. Flanged Hydro Foil box accepts the mast head of the...

Price: Varies by Qty
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