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C4 Spitfire 11" Fin

by: FCS

Lightweight high depth race fin designed by C4 Waterman.




C4 Spitfire 11" Fin


Hawaiian style downwind and distance fin. Designed to add stability and tracking in open water while still being able to easily edge into the next bump on downwind runs.

  •  High-depth race fin designed by C4 Waterman
  •  Ideal for downwind distance racing
  •  Provides great directional stability
  •  Stiff and lightweight Carbon Frame PC Construction
  •  Includes FCS Smart Screw

FIN SPECS:

Base: 4.34" / 110mm
Depth: 11.13" / 283mm
Area: 51.30"² / 33096mm²
Sweep: 5.4º
Foil: 50/50

BASE is the length between the leading and trailing edge where the fin meets the board. Base is primarily linked to drive. Fins with a longer base will offer substantially more drive and acceleration.

DEPTH is the distance the fin penetrates into the water. Depth directly relates to hold. The greater the depth the more hold, the shorter the depth the more a board will slide and release.

AREA is the total surface area of the fin.

SWEEP is the angle measuring how far the outline of the fin is curved backwards; also referred to as rake. Sweep has a direct influence on pivot. Fins with more sweep producea longer turning arc, less sweep offers a tighter turning arc.

Foil refers to the shape and geometry of the inside and outside faces of the fin. Foils directly affect the flow of water over the surface of the fin. Different foils create variations in water flow and have a direct link to the overall performance of the fin and the board.
FLAT: A flat inside face combined with a convex outside face. The traditional flat sided foil offers an even combination of drive, pivot and hold and provides a very consistent, reliable feel over a wide variety of conditions.

INSIDE: A sophisticated hydrodynamic foil consisting of a convex outside face, a rounded leading edge and a concaved inside face. Inside foil increases the efficiency of water flow over the surface of the fin adding lift and reducing drag. The result is a fin with more options through increased hold and speed.

50/50: A symmetrical foil used on all centre fins where both sides are convex. Even water flow on both sides creates stability and control.

70/30 or 80/20: Combines the performance of a centre and side fin offering increased speed, smooth rail-to-rail transitions and a consistent feel in a variety of conditions. (Ideal for all board types and rear fin placements)

FIN MATERIAL:

Performance Core 
Versatile RTM construction delivers a consistent feel similar to a traditional fiberglass fin, but with the advantage of reduced weight. The stiff flex pattern extends progressively from the base through to the tip helping the surfer to maintain drive and hold through a turn. PC fins are reliable, very responsive, and can be used in a variety of different conditions.


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