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Yesterday 07:41 PM
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Quote:
Originally Posted by Ericred0 View Post
I've recently moved to live in central Italy and my local lake is lake the lovely lake Trasimena which is'nt renowned for strong winds so my main board once again is my Ultrasonic i use this with my Point 7 Ac1 9.6 and the standard 58cm fin which in the cool waters of the UK is fine but the lake is so warm that the density is quite low making me glad for the extra board volume, but the fin is definatly not big enough. The other thing is due to less dense air the sail seems to produce much less power, all in all the board doesnt feel as early a planer and it certainly doesnt sail through the lulls as well.
The point im trying to make is feedback from UK users is possibly quite deceiving to warmer country users around the world and in the UK we certainly get better performance from our kit. I do still think this is a great board and wouldnt be without it......
Hope this makes sense.
Eric
Hi Eric
The difference in density between a welsh lake and an italian one is going to be pretty small (10ths of a percent) and the buoyancy difference is maybe 1-2%. I can't imagine there is much difference in the salinity of the two lakes to cause anything noticeable Maybe my maths is wrong or the air density is the big thing that is causing the problem or maybe there is some other factor???
Yesterday 10:20 AM
BelSkorpio Yes, I agee. The standard 58 Drake is not bad, but it can easily be pushed into a slip when pointing sharp. Even with my 8.8 sail.
With my 10.9 sail, I use a Deboichet R12 / 64. That goes very well. But I think it will be too big for a 9.5.
Yesterday 09:02 AM
mcross19 Eric, I have the pre-preg version of the standard drake fin and it definitely delivers more power than the standard one, maybe you could try this solution?
13th September 2014 02:41 PM
Ericred0 I've recently moved to live in central Italy and my local lake is lake the lovely lake Trasimena which is'nt renowned for strong winds so my main board once again is my Ultrasonic i use this with my Point 7 Ac1 9.6 and the standard 58cm fin which in the cool waters of the UK is fine but the lake is so warm that the density is quite low making me glad for the extra board volume, but the fin is definatly not big enough. The other thing is due to less dense air the sail seems to produce much less power, all in all the board doesnt feel as early a planer and it certainly doesnt sail through the lulls as well.
The point im trying to make is feedback from UK users is possibly quite deceiving to warmer country users around the world and in the UK we certainly get better performance from our kit. I do still think this is a great board and wouldnt be without it......
Hope this makes sense.
Eric
25th July 2014 05:29 AM
mcross19 Morning people, here is a report from a friend who borrowed my 2014 Ultrasonic at the weekend which I thought relevant to post here:

"Martin very kindly let me have a go on his Ultrasonic on Sunday; the set up was a 2014 US with a 58cm R2R drake carbon fin and his brand new 2014 Severne Overdrive 9.5m. My personal biggest sail is a 7.8 but I am far happier on sails of 5.7 and smaller with sub 100l boards so before even taking the kit out I was concerned that it would be very heavy and cumbersome. First thoughts; the board was unbelievably light and the Overdrive rigged on a severne enigma 490cm mast and a technolimits carbon boom felt really really nice. I am around 75kg and an intermediate, on very flat water and pretty light wind around 8knts with gusts of 11knts with nobody else even close to planning. First run picked up a bit of a gust and bearing away with some pumping I was away and then stayed planning for the next km or so until i gybed. My thoughts: this board and sail combo definitely does plane very early but more than that it just stays on the plane through the lulls like nothing I have sailed before. I have average early planning skills but even so it was fairly easy to pump up onto the plane even with a fairly full on race race. Pumping seemed most effective stood a little further back than I would on other boards which I guess meant i could sheet in a little more and work the fin. Once up and going it felt pretty quick and very smooth. Around the corners it again felt super smooth although quite directional, maybe with more wind I could have cranked it through the gybes a bit more but in light wind it had quite a fixed radius. I couldn't carve tack with any pace partly due to how directional the board / fin was (and partly due to my lack of technique).

Overall, I found the US extremely easy to sail, its was very smooth and very forgiving. It certainly planned early, for me the difference was how, once it was going, it would just go through the lulls and could stay planning that was unique. So who's it for? I would say if you sail somewhere where its often 8-10 kts with little gusts then this is the board for you, if you are someone who wants to get planning in lightish winds without some serious pumping then again its a great board, or if you are someone who doesn't get to sail that often and needs to make the most of the conditions then get one! Personally, I would love one BUT I live by the coast and can get out more or less when I want on a forecast. As a result the amount of times owning a US would extend my sailing would be small because I would be on something smaller by the time there was a steady 12kts, Steve.
8th June 2014 06:43 PM
mcross19 Eric, I can understand where are coming from, ever since I owned this board I have always been amazed at its light wind performance. It is hard to imagine how they could improve on it but apparently they have!
7th June 2014 07:18 PM
Ericred0 If i hadnt bought this board due to lack of wind so far this year i would only of sailed a handful of times. In the past i would be waiting for force 4 plus to have a good windsurf but now im finding im having as much fun early planing in light winds as being powered up on smaller boards in good winds, its opened up a whole new side of windsurfing for me. Anyone else feel the same?
17th November 2013 03:09 PM
Ericred0 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.
Eric
8th October 2013 01:59 PM
Crash
Ultrasonic 10m to 6.5m

Just a mention I usually sail a formula board but going to Spain I could only carry one board.
I choose the Starboard Ultrasonic for its huge sail and wind range.
My 10 meter sail is a Neil Pryde RS slalom with the mastfoot at the back the board really flys.
I weigh 70 kilos and use a easy uphaul but find Im hardly ever needing it on a wide board.
With smaller sails down to 6.5M getting the set up right is critical mast foot forward and using the right fin is the key but hey Im still learning!
7th September 2013 03:14 PM
Ericred0 Thanks for the advice Roger my Lessacker duo formula 36cm weed fin arrived yesterday, it looks a work of art. Tried it today on our lovely weed infested lake in perfect Ultrasonic conditions, it feels similar to the original Drake fin but shows no effect of the weed. Used my 9.6 with loose outhaul and no sign of any spin out and planes very easily.
Thanks Roger
Eric
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