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Old 20 October 2004, 11:32   #1
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Auto inflating life-jackets

Hi,

This is probably a really noddy question but I'm going to ask it anyway.

I have been bought two auto-inflating life jackets and I was just wondering under what circumstanses do they inflate. Is it when they are submerged or would heavey rain be enough to set them off?

Thanks

Chris
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Old 20 October 2004, 11:33   #2
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Rain won't set them off, they would have to be submerged.

Be sure to service the lifejacket every yr to be sure the auto inflation valve is operating correctly though. Sometimes they don't go off, which is ok if you've fallen off a pontoon by accident and don't wanna have to buy a refill, but rather worrying when you're out in a F6-7 and you've got an Opti behind you

edit: sorry forgot to mention the salt tablet ones can go off from time to time without being submerged as Louise pointed out
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Old 20 October 2004, 11:39   #3
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Chris, what type of auto lifejackets are they?

One type uses a salt tablet which triggers the jacket to inflate when it dissolves. This kind can occasionally go off when you don't want it to, e.g. if the lifejacket gets very wet. Just ask Mr Kennett...

The other 'hammar' type works by water pressure so is not likely to inflate 'accidentally'.

HTH
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Old 20 October 2004, 11:44   #4
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Quote:
Originally Posted by Louise
Chris, what type of auto lifejackets are they?

One type uses a salt tablet which triggers the jacket to inflate when it dissolves. This kind can occasionally go off when you don't want it to, e.g. if the lifejacket gets very wet. Just ask Mr Kennett...

The other 'hammar' type works by water pressure so is not likely to inflate 'accidentally'.

HTH
You can tell because Hammar ones are significantly more expensive!

We have Hammars for the grown ups, but couldn't get junior ones, so had to have tablet release ones for the kids. Which is a pain because the kids are more likely to get them wet inadvertantly!

My Crewsaver Hammar release jackets have an indicator on the release mechanism to indicate when it should be replaced.
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Old 20 October 2004, 11:52   #5
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These are the ones,
http://www.compass24.com/cgi-bin/abn...rnliste=548609

It doesn't say which type they are. Is there anything obvious on the jacket themselves that would give me a clue?

Thanks

Chris
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Old 20 October 2004, 11:59   #6
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I've just had a quick look on their website and they are advertising a 'Hammar-release life jacket' for £89-95 which leads me to think that the ones you have are the salt tablet ones, which are usually cheaper, as Squirrel says. You could always get in touch with Compass - or wait for a RIBnet member to say 'Yeah, I've got one of those and it's the ???? type'!
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Old 20 October 2004, 11:59   #7
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Originally Posted by chaskins
It doesn't say which type they are
In that case they are salt tablet - the Hammar type will always be mentioned
Quote:
Is there anything obvious on the jacket themselves that would give me a clue?
Yes - the price - at that price they will be salt tablet ones.
Also the description: "Upon contact with water the jacket automatically inflates" rather than being immersed in water to a depth greater than 10cm.
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Old 20 October 2004, 12:01   #8
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Originally Posted by Squirrel
My Crewsaver Hammar release jackets have an indicator on the release mechanism to indicate when it should be replaced.
R U sure? I think that only the date label on the pressure device tells this. The coloured indicator only indicates whether the device has fired or not if I remember correctly.
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Old 20 October 2004, 12:02   #9
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Yeah I'm thinking they are the tablet ones

Oh well will do for now and just don't go out in the rain

I will contact compass though to confirm.

Thanks again for your help.
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Old 20 October 2004, 12:03   #10
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Itís a guess but I think the soluble type, as if you go back to the lifejackets home page (1/3 of the way down) they have a different type that specifies that it is a hammar one and they are more expensive.

http://www.compass24.com/cgi-bin/abn...jackets#548609
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