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To: jammer@oz*.ne*
Cc: techdiver@aquanaut.com, cavers@ge*.co*
Date: Mon, 11 May 1998 22:14:57 -0400
Subject: Re: Aluminum Single Tank Adapter
From: dmdalton@ju*.co* (Dave Dalton)
Jammer,

Nice idea on your single tank adapter.  Try this to solve your problem:

Take some small diameter (1/4" or so) vinyl tubing and split one side of
it and slip it over the each edge of the channel.  If it falls off when
the adapter is not attached to the tank, fill the tube with RTV (GE
Silicone II or equivalent), put the tubing on the channel, strap it to
the tank (or any other surface) and let it set up ( about 24 hours). 
When be sure to wipe off any excess RTV BEFORE it dries.  Once it is
dried it is a b---- to get  off!   Cost - $2.00  for the tubing and $4.00
for the RTV.  Just make sure the RTV you use is silicone - it is
warranted for 50 years (as a house caulk - not sure if the warranty
covers using it as diving equipment) and remains flexible.  Don't use the
cheaper non-silicone caulks, they will harden after a few years! 

Actually, if you soften (read sand) the edges of the channel, I doubt if
the aluminum would scratch the galvanizing, since it is considerably
softer.  It might mark it like the aluminum pots used to mark the ceramic
covered cast iron sinks ( I might be dating myself here).  Covering the
channel edge is still a good idea because it will keep the adapter from
slipping. 

Dave Dalton

 
On Mon, 11 May 1998 14:43:39 -0700 Jammer Six <jammer@oz*.ne*> writes:
>I've built a single tank adapter out of 2" Aluminum channel, and 
>things 
>look fine.
>
>The only concern I have is that the edges of the channel will scratch 
>the 
>galvanizing on my tanks where they meet.
>
>Has anyone had this problem? What's to be done about it?
>
>------------
>"C'mon, you sons of bitches, you
>want to live forever?"
>     -First Sergeant Dan Daly, 1918
>------------
>
>--
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>`techdiver@aquanaut.com'.
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>

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