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View Full Version : Ever wondered if you'd like an Ultrasonic?


Ericred0
7th April 2013, 06:49 PM
Well so did i, i read starboards bumf, opinions on forums and stuff. I own a futura 135 and aN isonic 135, love the i sonic. Managed to buy an ex demo Ultrasonic which lived in my house all winter unused as the lake has been covered in ice or just cold as ice all winter.
Today i finally got to sail it. Brill! it just slips onto the plane in anything more than a fart and stays there. I used my Point 7 ac1, 9.6 and tushingham lightening 8.5. I was concerned about how it would gybe but its easier than my isonic.
All i want to say is if your tempted to get one you've gotta get one its brill.. When i was thinking of buying one i would of liked a post similare to this hope it helps..

BelSkorpio
7th April 2013, 06:56 PM
I know what you're talking about. :)

Unregistered
8th April 2013, 08:28 AM
just out of curiosity - weight vs wind vs sail sizes for early planing ??
at 100 kilos my guess for myself is 10 knots planing with 10-oh ??

thanx US lovers :-)

BelSkorpio
8th April 2013, 10:12 AM
I think that's about right, Unregistered.
Perhaps 9 knots if you pump a bit to get going.

I manage from 8 knots and a 10.9 without any pumping.
Just point a bit downwind and off it goes. Keep your leggs straight max tension on the harness lines. The fin starts working. Choose the exact moment to move your feet backwards, then enter the footstraps and feel the acceleration. Luff up when you have enough speed. That's planing without a white cap in sight. Wonderful ! :)

Ericred0
8th April 2013, 06:00 PM
Hi unreg!
Im 70kg ish not sure about wind strength but it feels like its planing when im sure i wouldnt on my other boards or id be doing a lot of pumping. I'll leave all the techie stuff to those that are into it. The point is it is very easy to sail and very sporty my gybes are pretty good but i know after a few outings on the U.S. theyre gonna be better. Oh its much easier to in and out of the straps and its bootie friendly which is good at the moment.

oadolfss
13th April 2013, 08:46 PM
Great to hear about the US, as I'm really interested in one. I'm 75 kg and don't want to go any bigger than 8.7m2, should I consider for example isonic 117 or go for the US? Used to sail the hypersonic 105 a lot and loved it. Early planning is a big factor for me, lakesailing in Switzerland.

tnx

Unregistered
14th April 2013, 05:44 AM
you are light at 75 kilos and the US can handle larger than 8.7 easily

if the lakes are large enough for shortboards, my guess is you are better served with an iS

Ericred0
14th April 2013, 06:57 AM
My isonic 135 used to be my lightwind board until i bought the ultrasonic, the US is much more an early planer than my IS the difference is very noticable no matter what your largest intended sail is. I sailed yesterday with my Tushingham Lightning 8.5 and had plenty of power.
I sail on a lake and need to pump through lulls and depower in gusts/shifts and the us is very predictable easy to control... Carves on the end of gusts nice..

Unregistered
14th April 2013, 11:27 AM
this is EXCELLENT news and kudos to the US !!!

sergio k
14th April 2013, 07:06 PM
My isonic 135 used to be my lightwind board until i bought the ultrasonic, the US is much more an early planer than my IS the difference is very noticable no matter what your largest intended sail is. I sailed yesterday with my Tushingham Lightning 8.5 and had plenty of power.
I sail on a lake and need to pump through lulls and depower in gusts/shifts and the us is very predictable easy to control... Carves on the end of gusts nice..
I'm guessing, you don't have good pumping skill yet?

Unregistered
14th April 2013, 08:09 PM
Thank you Sergio
the US is known for passive planing
the iS should serve lighter sailors just as well - with a few more pumps - that's all !!

Ericred0
15th April 2013, 07:05 PM
Hmmmm Sergio im not the worlds best pumper no. but it fine thanks, id prefer to plane with as little pumping as necessary like most people i guess. The is does need more than the us. if i was lighter it would still be the case..
I must add that my next board will be an isonic 110 if the wind always blew we wouldnt need Ultrasonics....

Stargazer
16th April 2013, 12:11 PM
Dear ericredo,

Like you I've been reading and searching a lot around for the right info . As you I weight around 70'ish well it's more like 72 :-)
Anyway, I'm looking for a light wind board as well and I'am still wondering whether an Isonic 127 or an US would serve me the best as a medium weight rider especially I wonder if we would feel the difference a lot in the low wind area. For sure an IS 127 would be more controllable in gusts but the US width would help it plane faster .. but would make it a big difference ?
Does anyone out weight can chime in on this?
I'm planning to trade in my older board for a new one .. and I can't decide between an IS 127 and the US knowing that my next board is an futura 111.

Ericred0
20th May 2013, 05:42 PM
Hi Stargazer,
In reply to you asking if theres a big difference between the i sonic and ultrasonic in light winds, the answer is definatley yes. I took my isonic 135 out in light winds the other day with my 9.6 after using the US as my light wind board for the last few weeks the IS felt very sluggish to get onto the plane to be honest it made my point 7 ac1 9.6 feel like a 7.5 i think thats a fair comparison without getting technical. However when the wind picked up it was noticably faster and looser.
Hope this helps, sorry havnt quoted windspeeds because i didnt measure them.

BelSkorpio
20th May 2013, 07:08 PM
Yesterday, I had another great ride on my US147.
In the afternoon we had a Northern wind, slowly but firmly building up.
When I arrived at my spot, there were only a few Formula boards planing in +/- 10 knots.
Because i knew that the wind was going to build further towards the evening, I put my 8.8 ready.
When the wind reached 12 knots, I went on the water. I almost immediately started planing, but without too much reserve. When the wind increased further to 14-16 knots, I had the time of my life. I was flying on racks of 6km length. Super. When the wind increased even further to 15-19 knots, I got a little overpowered in the gusts. Normally I change for my IS122, but I was already too tired. Anyway, it felt good to see that the board also performs very well in the high end. I had my mastfoot right in the middle. Good choice when you're riding the US in the high end. In minimal conditions I have the mastfoot very far to the back.
Amazing what a wind range it handles with 1 sail (8.8), i.e. 12-19 knots.

Ericred0
21st May 2013, 06:41 PM
Hi BelSkorpio
Thanks for that, i havnt tried the mast foot at the back in light winds yet must give it a go.
A couple of weeks ago you mentioned planing without a whitecap in sight, the other day i sailed on the upwind edge of our lake the water was like a mirror ive never planed on such flat water. Very surreal..
Eric

Ericred0
25th August 2013, 08:45 AM
Just thought id add that at the moment our lake is quite weed infested so a near vertical fin is impossable to use, ive bought a Select weed fin XXL which i think is as big as they get. Hardly notice the weed now and the lake is as big as early season the only downside is i can only use up to 8.5m because of the fin size this will let go if i loosen the outhaul too much. As we havnt had many windy days this season im very pleased i bought the Ultrasonic its got me on the water a lot more than i would of otherwise........

BelSkorpio
26th August 2013, 10:07 AM
Luckily I didn't have to use a weed fin yet on my US147.

But also with us, a lot of big lakes close to the sea are getting more and more infested by weed.
Horrible.
Some say that it is due to heavy fertilization of farmers on the lands closeby.
Don't know if it's true.

Roger
26th August 2013, 12:59 PM
ericred0,
See if you can find one of the Lessacher Formula Duo Weed fins. You can sail larger sails, very full
without the fin "letting go".
The Formula Duo is only 40 cm deep, but the asymmetrical foil design gets rid of the weeds a lot better
and you almost cannot get one of these to "let go".
http://www.cameraid.com/Lessacher/weed.html
Roger

Ericred0
29th August 2013, 06:24 PM
Hi Roger
Thanks for that, ive ordered one Wolfgang says it'll take 2 weeks to make. I'll let you know how i get on with it....
Eric

Roger
29th August 2013, 10:24 PM
Ericred0,
How did you contact Wolfgang?
If you talk to him again, please ask him to email me.
Thanks,
Roger

Ericred0
30th August 2013, 03:44 PM
http://www.designlessacher.eu/

Just clicked contact......

Eric


Or try this its in english......

http://www.cameraid.com/Lessacher/fins.html

Ericred0
7th September 2013, 03:14 PM
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

Crash
8th October 2013, 01:59 PM
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!

Ericred0
17th November 2013, 03:09 PM
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