Can anyone explain how the asymmetric concave profile works the same on both tacks? One would expect it to feel different on either tack but it seems not to
It would be interesting to hear how the designer explains the positives of this foil.
To me it all seems a bit of a wank.
To have such a tight curve in the "concave" section would have you think this would create detachment of water off the foil at high speed.
I'll bet this design lasts no more than 2 seasons.
This model is a classic overhere in Europe! I recall seeing the first model Lessacher Chamäleon Weed Fins with double concave around 2000. At that time only full carbon custom's where available. This G10 model has been around for at least 8 to 10 years.
I love mine. Nicely fast, stable and solid. I'm able to run 6.5 up to 8.5 on a 69 wide board with only 28cm of fin. Smooth or rough always comfortable and reliable. Technically speaking of course
My guess is the alternating foil profiles down the fin stop sheet cavitation enveloping the whole foil an so stops spin out. Something my own foils could do with...
Lessacher is another one of these German engineers with crazy ideas. His weed fins have done really well in comparative tests in magazines that still dared to write negative things about stuff they tested. Lessacher reminds me a bit of Hanke from Maui Ultra Fins(another German). He's come up with several new fin styles, too, which typically were greeted with similar skepticism. I recently started to really like my MUF delta that I had bought for speed when I'm playing in waves, much to my surprise.
OK now I'm really interested.
Anyone know the theory of how it works?
Frankly I haven't heard too much bad about any weed fins over many years.
On this site the designer of te fin explains a little bit of how it works...
www.designlessacher.de/designlessacher.eu/index.html
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