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7th April 2015 10:46 AM
Originally Posted by Ericred0 View Post
Hi Mike
Its a duo formula weed fin 36cm, and i was overpowered with the standard 58cm fin
Thanks, from your earlier post, you also carry the 9.6 with this fin at times?

I also have the 36 duo formula which I have used with a 10m, but was thinking I may need the 40cm. (I use the weedy due to shallow water). Haven't used the standard 58cm yet to compare.

7th April 2015 07:08 AM
Ericred0 Hi Mike
Its a duo formula weed fin 36cm, and i was overpowered with the standard 58cm fin
5th April 2015 12:47 PM
Waterloo Hi Eric,

Which size in the Lessacher do you run with the 9.6, and which with the 8.5 overpowered?


5th April 2015 09:02 AM
Originally Posted by Ericred0 View Post
Hi Crash
I was more or less forced to use a Lessacker weed fin as this was the only maker of a weed fin big enough to allow me to carry my 9.6 on my Ultrasonic, one of the things i found with this fin is when overpowered is it really calms the board down making it sail flat and controlled which might interest you because you said you were enjoying a wide wind range. I'm sure the Lessacker fins made for none weed conditions must be better again and able to improve your range.
I sailed my Ultrasonic on lakeTrasimena a couple of days ago with my 8.5 Lightning the wind picked up making me a bit overpowered which would of been ok on a smaller board but due to chop aswell things were a little uncomfortable, i changed my standard fin for my Lassecher formula weed fin which instantly calmed the board down and made it much more controllable and less overpowered without affecting performance, just thought id pass this on.
8th October 2014 10:14 AM
NWF Good question, I suppose I use it more of a point and shoot board I suppose with 9.5... As its too wide to race, so slalom doesn't really start for me until aboard my IS 120...
7th October 2014 07:10 PM
mcross19 Hi Guys, not yet tried the Techart, must admit that I only got it the other day as there was a big mix up on delivery address. Right on time for the big winds! I tried to post a picture but with no joy, basically it has a lot more rake than the standard fin so should be more slippery and therefore faster but maybe not so early to plane but then that doesnt matter so much with the 8.6m.

So Allan that ZF is basically a formula fin, right? so do you treat this board like a formula board and stick a powerful fin in it or like a slalom board cos at the end of the day it is a slalom board for all intents and purposes.

Off to play with the tri-fin set up on my new freewave, will report back on that and the 'US' when I have some info.
7th October 2014 02:24 PM
NWF Any feedback on the Techart RSL06?

I have decided after feedback from Remi to purchase a ZF56cm S .... He bought a 58 for himself and found it to be so so powerful for the board..
24th September 2014 09:55 AM
Ericred0 Hmmm bit pricy i think for what im going to get out of it. How did the Techart RSL06 perform?
16th September 2014 11:24 PM
mcross19 Yes I am Eric although at over 200 they are not cheap, I found it gave me a little too much lift when using the 9.5 with the US in gusty conditions. Another option would be to get yourself a Techart RSL06, mine turns up tomorrow and hopefully will get to use it over the coming week. My friend is using these successfully in his isonic 130, you should find them easy to source as they are hand made there in Italy.
16th September 2014 03:44 PM
Farlo Hello Eric,

Air density decreases with temperature. From 5 to 35C it goes from 1,27 to 1.14 so your 9.6 feels one sqm smaller (roughly). Air density also drops with altitude. I've seen people windsurfing at lake Cenis in the Alps (~2500m) with huge sails though it was quite windy. They told me that otherwise they would not plane at all. Lake Trasimena is not that high I guess, but altogether it makes a sensible difference.

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