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Date: Sun, 06 Jun 1999 22:03:41 -0800
From: Kent Lind <klind@al*.ne*>
To: techdiver@aquanaut.com
Subject: Re: innertubes
Guys:

For my deco bottles I use small-diameter car innertubes that I buy at the
local tire store.  I cut two rubber bands about 2" wide and then knot them
together to form a figure-8 shape.  The knot tightens up the loops to make
them fit better on AL40s.  Then I pull both loops around the bottle.  The knot
between the two bands provides a good handle to grab the innertube with heavy
gloves and cold hands.  If one of the bands happens to break there is an
automatic backup with the other band.  I tried surgical tubing and it rolled
off to easy.

I'm now putting bolt snaps on my deco regs so that I can always clip the 2nd
stage back to the bottle regardless of what happens to the bands.

Kent Lind
Juneau, AK

George Wentland wrote:
> 
>     Okay, I've used the same motorcycle innertube several years in the Great
> Lakes. Down here in South Florida it just doesn't seem to hold up. It could be
> that my supply of rubber bands are getting old. However, if you bump the
stage on
> a sharp object (Sharp objects abound in wrecks ie sharp metal, spiny oysters,
> etc.) it easily puts a nick in the rubber band. Then when you pull the
regulator
> hose from under the rubber band it breaks.
>     I don't find rolling a problem with bungee cords also salt residue does
not
> build up under them. The last comment was for those of us who are at times too
> lazy to rinse our tanks.
> Good Diving by George
> 
> Case wrote:
> 
> > Hi all...sorry for all the cc's....that "reply all" button is just SO
> > convenient!
> >
> > George-
> >
> > What kind of problems do you have with innertube in salt water?  I dive
> > heavily in salt water, and am well aware of how damaging the marine
> > environment can be. I've had no problems with properly fitting innertube
> > sections. I cut mine approx. 2 "thumb-widths" (I know....very precise,
> > technical measurement!) wide, with a VERY sharp Spyderco knife...between
> > each segment, I cut a small wedge so that the cuts stay as perpendicular
> > as possible to the inner and outer rim of the tube.
> >
> > I've tried a few other things, and surgical tubing is definately out. I
> > like bungie, but just like the surgical tubing, it does have a tendancy
> > to "roll" along on the cylinder. Besides, a couple feet of good bungie,
> > and half a dozen tie wraps (shouldn't we be using cave line for this?
> > *GRIN*) needed to make one set, cost me about the same as a whole
> > innertube needed for many years worth of diving.
> >
> > I'm curious as to what kind of problems you've had, as maybe you've run
> > into something that I've overlooked....?
> >
> > -Case
> > diveman@cy*.co*
> >
> > "George P. Wentland" wrote:
> > >
> > >     I use three tie wraps to hold the ends of the bungee cord together. I
> > > never had problems with inner tubes either when I was diving in the Great
> > > Lakes, but when I moved to saltwater the problems began. Also if you get a
> > > little catch on the inner tube band it will readily tear at that point.
> > >     I notice that you have not addressed the nylon mesh which I place
around
> > > the hose clamp.
> > >
> > > Good Diving by George
> > >
> > > ----- Original Message -----
> > > From: John Walker <techdive@ea*.ne*>
> > > To: George Wentland <wentland@ns*.ac*.no*.ed*>
> > > Cc: <techdiver@aquanaut.com>
> > > Sent: Saturday, June 05, 1999 1:20 AM
> > > Subject: Re: innertubes
> > >
> > > > Sorry George,
> > > >
> > > >     But I have to say - BRAVO SIERRA to that.  Inner tubes don't have an
> > > > end to tie wrap, they fit real close to the cylinder, and with one small
> > > > car intertube you can make a couple years worth of retaining straps.  I
> > > > don't know what type of tubes you have tried but the ones that I have
> > > > bought at pep boys auto supply (don't know if their national)as well as
> > > > pieces that buddies have given me last a hell of a long time.  Maybe
> > > > your cutting then to thin.
> > > >
> > > >     And YES, we dive alot.
> > > >
> > > >
> > > >    Choi,
> > > >         John
> > > >
> > > >
> > > > George Wentland wrote:
> > > > >
> > > > > > I have had more problems with inner tubes breaking from being rotton
> > > > > > than bungee cords rolling off. Inner tubes in my mind are unsafe
> > > unless
> > > > > > they are replaced every couple of months. Actually I have never had
a
> > > > > > bungee cord roll off.
> > > > > > Good Diving by George
> > > >
> > >
> > > --
> > > Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'.
> > > Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
> >
> > --
> >
> >                  \  \
> > ^_              \  \                 Case E. Harris
> >   \ \             {   \         US Deep Wreck Diving Team
> >   {  \           /     `~~~--__   diveman@cy*.co*
> >   {   \___----~~'              `~~-_
> >    \                         /// `  `~.           ___  Oo
> >    / /~~~~-, ,__.    ,      ///  __,,,,)         (___)o_o
> >    \/      \/    `~~~;   ,---~~-_`~=        //====--//(_)
> >                     /   /                           \\ ^
> >                    '._.'   Deep...Professional...The Standard!
> 
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