Surf Photography Thread! -- Sports in photography-on-the.net forums

Cream of the Crop

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Dec 23, 2012 05:31 | #391

madjack wrote in post #15398702

I got to know what the significance is between a board with one fin and one with three fins. I imagine its a different tool for a purpose but I dont know what. Control maybe, or does it help with stunts?

jack

Answer from Wikipedia:
" The template of the modern surfboard fin was developed by George Greenough in the 1960s.[16] The single fin changed little until the late 70's, when a second was added and popularised by Australian Mark Richards.[17] In October 1980, after seeing a twin fin surfboard with a "trigger point" fin Simon Anderson had the idea for a new, equal size, version of the existing three fin prototypes which was later dubbed the "thruster".[18] He created a prototype and 30 years later his "thruster" design is still the most popular fin design for surfboards.[18]"

Also if you like to know what is a "Tunnel fin" or "Bullet fin", check the same page in Wikipedia under fin section.

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Tragic_Golfer

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Dec 23, 2012 16:20 | #392

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shutterpat

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Dec 23, 2012 16:42 | #393

madjack wrote in post #15398702

I have been following this thread for a long long time and am amazed at the photos you guys capture. Ive tried a lot of things in my life, surfing not being one of them. I have a quick question and I hope Im not irritating anyone by jacking the thread, but I got to know what the significance is between a board with one fin and one with three fins. I imagine its a different tool for a purpose but I dont know what. Control maybe, or does it help with stunts?

Thanks guys.

jack

ONE FIN (a.k.a. Single Fin)

Single fins are typical on longboards, as well as on beginning surfboards. The idea behind the single fin is to provide stability and control. Unfortunately, the increased control also means a sacrifice in performance, as the movements that a single fin allows are restricted to sweeping turns and straight-lined charges.

TWO FINS (a.k.a. Twin-Fin)

Twin-fin boards are harder to control in large waves but offer good maneuverability in smaller conditions. They are usually found on shortboards and fish boards, because the two-fin setup encourages speed.

THREE FINS (a.k.a. Thruster)

The thruster setup is the most common, and is found on all kinds of boards. It performs well under most ocean conditions, lending a stable feel to a maneuverable board. The outside fins are flat on the inside to increase drive, while the center fin is foiled normally. Additionally, the outer fins are toed-in to speed up the board and allow it to turn more easily. A thruster set-up is the go-to choice for most shapers.

Source : http://www.tactics.com/info/guide-to-surfboard-fins

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