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Old 17-02-2011, 02:01   #256
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Bagwain, what nationality are you, it would help for some of us to decide if you are for real.
Yes, it is important.
HI beau when will you do an update on your boat?
Bagwain sent me the photos he is
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I dont wish to steel his thunder but I dont see why he is not putting them up, 18 months
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Old 17-02-2011, 04:27   #257
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In the end why do any of us care HOW it works. All I care about is proof that it works and how much it costs. I look forward to some indepenent test results.
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Old 17-02-2011, 05:46   #258
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... Bagwain sent me the photos he is
Steve Johnson

Director
Water Engineered Technologies (Thailand) Ltd ...
Water Engineered Technologies (Thailand) Ltd
Steve Johnson
242/12 Soi Siam Country Club, Nongprue, Banglamung
Pattaya 20150
Thailand, Chonburi
Phone: +66 0 8484 28317
Mobile: +66 0 8484 2
E-mail: steve@wetthailand.com
wtquestions@hotmail.com
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Old 17-02-2011, 06:37   #259
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So, its using a sound wave and electromagnetic force, bit like the depth transducer on my yacht and oh boy do the critters like growing on that.

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Old 17-02-2011, 06:46   #260
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There was an article in the Feb issue of sail magazine in which a boat used the ultrisound for a whole 2 months in the water without any noticable bottom growth. This is after putting on a coat of bottom paint too! I don't get it. If they are going to the trouble of installing the system....then do some real testing! I think it's all about advertising dollars.
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Old 17-02-2011, 15:55   #261
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Electronic Anti-fouling

I purchased and installed an electronic system last november. At the same time the props, trim tabs etc were professionally cleaned by the local diver. For the first 4 weeks all appeared well & I was pleased with the system. It was purchased in 'kit form' so assembly was required but that is my trade so all was well.
On checking hull last week after we had a cyclone in the area, everything was as it used to be prior to electronic installation, heaps of growth, mould etc etc.
My guess is it works initially until the first growth manages to start then it may as well be turned off. The system appears to be still functioning as it interferes with an AM radio (recognised test according to manufacturer).
The boat is moored in Townsville Australia marina and growth in this area is extreme I have been advised.
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Old 17-02-2011, 16:12   #262
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I purchased and installed an electronic system last november. At the same time the props, trim tabs etc were professionally cleaned by the local diver. For the first 4 weeks all appeared well & I was pleased with the system. It was purchased in 'kit form' so assembly was required but that is my trade so all was well.
On checking hull last week after we had a cyclone in the area, everything was as it used to be prior to electronic installation, heaps of growth, mould etc etc.
My guess is it works initially until the first growth manages to start then it may as well be turned off. The system appears to be still functioning as it interferes with an AM radio (recognised test according to manufacturer).
The boat is moored in Townsville Australia marina and growth in this area is extreme I have been advised.
Exactly why people are sceptical. Did you buy from the Sancuary Cove Boat Show last year where they had a fair sales team.

Sounds great, unfortunalely doesn't seem to work. I feel your flustrations.

I don't think Townsville would be much different for marine growth than most other marinas in Qld including Gold Coast broadwater waters.

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Old 17-02-2011, 16:17   #263
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Originally Posted by lancelot9898 View Post
There was an article in the Feb issue of sail magazine in which a boat used the ultrisound for a whole 2 months in the water without any noticable bottom growth. This is after putting on a coat of bottom paint too! I don't get it. If they are going to the trouble of installing the system....then do some real testing! I think it's all about advertising dollars.
Thanks. I mentioned that article in post #149, along with this link to the company's website: Ultrasonic Antifouling | The Future Of Antifouling
It also answered the question of harm to non-target marine wildlife.

SearenitySail mentioned the same article in post #175.

Apparently most people would rather cling stubbornly to their own viewpoint than click on a link.

I'm not saying ultrasonic systems have come of age, but the fact that they haven't worked in the past is not proof that they don't work now or can't work in the future.
Airbags were invented in the '50's & introduced in the 60's & 70's (to universal scorn). Now the technology has been developed to the point that they're here to stay (& they're still really expensive).

More links nobody will click:

http://www.wavetrain.net/the-lunacy-...asonic-results

http://www.wavetrain.net/the-lunacy-...c-installation

http://www.yachtinguniverse.com/ultr...soaring-demand

http://www.charterworld.com/news/ult...pton-boat-show
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Old 17-02-2011, 16:20   #264
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My system was purchased from Jaycar electronics who told me that the parent company had done a lot of research & testing on the subject, oh well, slipways are still looking good
Rob
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Old 17-02-2011, 17:02   #265
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My system was purchased from Jaycar electronics who told me that the parent company had done a lot of research & testing on the subject, oh well, slipways are still looking good
Rob
Thanks Rob I guess we can strike that one off the list. Cheers
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Old 17-02-2011, 17:19   #266
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Apparently most people would rather cling stubbornly to their own viewpoint than click on a link.

I clicked them and all I saw was standard manufacturers claims. And a boat in the water for 2 months doesn't do much for winning me over as to being proof.

Not saying it doesn't work. But I'm still waiting better documented results. How about posting a link to a long term second party test?
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Old 17-02-2011, 17:44   #267
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But I'm still waiting better documented results. How about posting a link to a long term second party test?
I haven't found anything longer term yet.

That company is making a pretty substantial expansion to their dealer network- either the product works, or it's a pyramid scheme. Can any European forum members comment? The company seems to be making the most headway there.

But you're right, only time will tell for certain.
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Old 17-02-2011, 17:46   #268
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Plenth of people posting in this thread have clicked on many of the links posted, as is obvious by the many comments on the "data and evidence" in those links.

For example, in the first link you post the article states the boat had a new coat of bottom paint and had been in the water for two months? That is not really a test or proof of any kind.

Many of the comments here come from scientists and engineers that have politely asked relevant questions and asked for real, independent, objective data and test results. The only response from the OP has been indignation and unsubstantiated claims. Certainly enough to raise suspicions in any reasonable person.

I assure you I want to believe, to find an effective, environmentally safe alternative to toxic bottom paint. I don't want to believe enough to spend a heap of money on a product that makes claims that are counter to the most basic principles of physics.
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Old 17-02-2011, 17:48   #269
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Thanks. I mentioned that article in post #149, along with this link to the company's website: Ultrasonic Antifouling | The Future Of Antifouling
It also answered the question of harm to non-target marine wildlife.

SearenitySail mentioned the same article in post #175.

Apparently most people would rather cling stubbornly to their own viewpoint than click on a link.

I'm not saying ultrasonic systems have come of age, but the fact that they haven't worked in the past is not proof that they don't work now or can't work in the future.
Airbags were invented in the '50's & introduced in the 60's & 70's (to universal scorn). Now the technology has been developed to the point that they're here to stay (& they're still really expensive).

More links nobody will click:

ANTI-FOULING PORN: Preliminary Ultrasonic Results

ANTI-FOULING FILES: 3. Ultrasonic Installation

Ultrasonic Antifouling

Ultrasonic Antifouling nominated for Green Award ahead of Southampton Boat Show — Luxury Yacht Charter & Superyacht News
You think a link to a two month test with fresh anti-fouling paint is even worth a click? Why don't you install a system and use it for two years without paint and get back to us?
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Old 17-02-2011, 18:11   #270
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More links nobody will click:
I don't need to click on links. I don't need to read sales material, or press releases, or test results. I don't choose to be on the "bleeding edge" of technology. If I wanted that I wouldn't be on a boat that is using 5,000 year old technology for its motive power!

If the day ever comes that these things are "ready for prime time" people will start using them. You'll see them on a goodly number of boats in every marina you visit, and everyone will know that they work. That's when the technology will be well proven through practical use, and when I'll consider buying one.

Until then, I am happy to sit back and watch OTHER people spend money on new and unproven technologies. If that's what you want to do, more power to you. Maybe you will be one of those who actually proves this technology in long-term, daily use. Or maybe you wont. Either way, I'm quite happy to wait and watch.
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