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From: "Raymond G. Blaker" <frogman@wo*.nl*>
To: <trey@ne*.co*>, "Simon Murray" <simonm@ho*.co*.za*>
Cc: "Tech Diver" <techdiver@aquanaut.com>, "Lovan" <LovanC@Tr*.co*.za*>
Subject: Re: Helium penetrates neoprene ???
Date: Thu, 16 Mar 2000 17:29:00 +0100
OK, I use an APEKS TX 100 as my primary reg, this uses a 1/2" hose but
breathes like a dream (It's also a diaphram system), why should I go back to
something like Scubapro with it's 3/8"hose. The only problem I have is that
the 1/2" hose tends to float up, but a couple of little lead rings soon stop
this. Comments please

Regards

Ray Blaker

-----Original Message-----
From: Trey <trey@ne*.co*>
To: Simon Murray <simonm@ho*.co*.za*>
Cc: Tech Diver <techdiver@aquanaut.com>; Lovan <LovanC@Tr*.co*.za*>
Date: 15 March 2000 20:18
Subject: Re: Helium penetrates neoprene ???


>Simon, could you get this stroke to subscribe to techdiver - we have not
>had anyone to fry in weeks.
>
>The best chance for neopreme to hold to any degree at all is the
>commercial grade G231 stuff that has nitrogen bubbles in it
>intentionally  in the manufacturing process. This mateial will compress
>less than non-bubbled neompreme, and will rebound exceptionally well,
>but still has a massive buoyancy swing. Only somebody who does not know
>any better dives a neopreme dryuit of any kind.
>
>We use the G231 nmaterial for our hoods so that they do not stay crushed
>and rebound at deco to keep us warm.
>
>The problem is diving is that you have an expensive , upscale sprot that
>is taught by roofers and insects who are dumber than mushrooms and can't
>get anything right. I saw an explanation of oxtox on the GUE list that
>some guy got from one of the other agencies ( he threw it out for our
>amusement) that was cause for Baker Acting whomever told it to him. What
>amazes me is that the smart people believe the cockroaches and then go
>so far as to repeat the slathering moronity that is taught to them by
>the dive industry savants.
>
>This is yet one more example. What you ar "missing" , Simon, is just how
>freaking stupid the dive "educators" really are. Good thing we have
>these lists, or we'd all be Tai Chi breathing and taking deep air
>classes in bondage wings , steel tanks with wetsuits, hemlets, square
>lights, skin diving fins, neopreme drysuits, fucked up manifolds, tec
>bs's, slobwinders, impropperly marked bottles, stroke gear configs,
>stuffed hoses, Poseiden second stages, high speeed inflators, 1/2 inch
>port regs, etc, etc.
>
>Simon Murray wrote:
>>
>> I had a conversation with a long term hardened stroke over the weekend
>> and he told me that his non-crushed neoprene dry suit does not change
>> its buoyancy characteristics as he goes deeper because the helium that
>> he uses to inflate it penetrates the neoprene and stops it from
>> crushing.
>>
>> Sounds like one of the best stroke stories I have ever heard, or am I
>> completely missing something ?
>>
>> Regards,
>>
>> Simon Murray
>
>
>--
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>

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