Old 6th October 2006, 12:04 PM   #1
splashtack
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Default Vibrio Vulnificus

Hi Roger,

Last month I had the misfortune of lacerating my leg on the sharp fin of my FE 160, and introduced a rather nasty salt water pathogen into my bloodstream. Even though Vibrio has a fairly high mortality rate, I've recovered most of the function of my leg and foot, and decided to continue windsurfing. But now that i know about this risk, I want to be a little safer next time, so I have a question for you.

In future I'm going to wear a full suit all the time to protect my legs and ankles from fin cuts, but I'm still concerned about the sharp tip and trailing edge of this Drake formula fin. Do these edges really need to be that sharp, or can I blunt them with a sanding block without loosing too much performance?

Another fin-related question if I may - I will be in the Ft. Myers, FL area this winter and would like to sail my formula board. Can you recommend a good alternate fin for this shallow-water area? Also, where do you launch on Pine Island to sail PI sound?

Thanks for your advice.
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Old 6th October 2006, 07:37 PM   #2
Roger
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Default RE: Vibrio Vulnificus

Hello Splashtack,
Yes, you can take a sanding block and put a flat (better still a tiny radius) on the traling edge and tip of your formula fin without affecting the performance of the fin to a degree you will be able to tell.
We've been "blunting" the TE of fins that "whistle" for years with no affect on the performance.
Run the sanding block (with 240 or 320 grit abrasve paper) down the TE of the fin with the block perpendicular to the fore and aft axis of the fin. 2-4 passes down the fin will take the sharp edge off. Then turn your sanding block to a 45 deg. angle and "break" the sharp edge where the tiny flat meets the foil of the fin. Just once or twice down the fin and you will have a nice 45 deg. chamfer that won't cut you if you happen to rub your leg or arm against it.
As far as sailing in Ft. Myers, (at Sanibel Causeway) you can ususally get away with a vertical fin is you go out and find out where the deep areas are and which areas to avoid because they are shallow.
At Pineland (on Pine Island) the water is much shallower, so anyting larger than 40-42 cm will be a problem.
You could run a shallow water 40 cm fin, but I've found the Tangent Dynamics Reaper 42 cm weed fin to work very well in Pine Island Soun.
True Ames has a Shallow Water Weed design that I use as well.
Hope this helps,
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