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Old 28 December 2006, 10:52   #1
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Lifejacket lights

Last year I bought 5 automatic water activated LJ lights. As I've just got some new manual McMurdos LM A2 and out of curiosity, I dunked the autos in seawater. Four out of five didn't work. Neither of the two horseshoe buoy lights worked either so that's the last time I'll buy auto stuff.

The McMurdos look the business and at least you've got the option of testing them before use.

I got them from www.adecmarine.co.uk who are a specialist supplier of marine safety kit.

Recommended!
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Old 28 December 2006, 10:58   #2
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....and while on the subject of lifejackets, it's amazing how quickly these gas cartridges suffer from corrosion.

I've taken to dipping them in hypalon paint which extends their life considerably.
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Old 28 December 2006, 11:51   #3
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Quote:
Originally Posted by davidmanning View Post
....and while on the subject of lifejackets, it's amazing how quickly these gas cartridges suffer from corrosion.

I've taken to dipping them in hypalon paint which extends their life considerably.

Top tip Dave, will be doing the same. Like the Piccy background

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Old 28 December 2006, 12:27   #4
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I was told you must NOT paint the CO2 cylinder as they are tested by weight and the paint will alter things!!!
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Old 28 December 2006, 13:05   #5
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the paint will alter things!!!
So will rust. And as Mannings to mean to buy any scales accurate enough to weigh something that light its a mute argument.
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Old 28 December 2006, 13:55   #6
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Did you check the auto jackets before you tested them. You are recommended to do a visual check on all auto jackets each time you use them. ie check the air canisters screwed fully in place and not vibrated loose etc. ( you check the boat each time before you launch so why not the jackets ). I mark the canister position in relation to the fixed neck position with some tippex and so can see at a glance that all is OK.
Also if you bang your head when falling out an auto jacket will inflate and keep an unconscious person afloat but you are a goner with a manual jacket.
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Old 28 December 2006, 14:46   #7
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Did you check the auto jackets before you tested them. You are recommended to do a visual check on all auto jackets each time you use them. ie check the air canisters screwed fully in place and not vibrated loose etc. ( you check the boat each time before you launch so why not the jackets ). I mark the canister position in relation to the fixed neck position with some tippex and so can see at a glance that all is OK.
Also if you bang your head when falling out an auto jacket will inflate and keep an unconscious person afloat but you are a goner with a manual jacket.
Mr Manning was, I believe, talking about the activation method on the lights, not the jackets themselves.

Useful information nonetheless
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Old 28 December 2006, 15:04   #8
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talking about the activation method on the lights,
Thanks for pointing that out Mr. Bo. It was the LIGHTS I was referring to, not the jackets themselves, so apologies for any confusion caused.

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Old 28 December 2006, 15:55   #9
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I always dismantle my LJ's after use that way the canister dont rust. I also wipe with a wd40 rag. At the beginning of every course my students get to the LJ with an explanation of how one checks the LJ's It works for me!
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Old 28 December 2006, 17:15   #10
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Quote:
Originally Posted by davidmanning View Post
Thanks for pointing that out Mr. Bo. It was the LIGHTS I was referring to, not the jackets themselves, so apologies for any confusion caused.

DM
Apologies to Mr Manning I did not read your first post correctly.
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