Don, all of these plastics have applications in piping or they would not
exist in a form we could use. Actually, the HDPE is the "sewer" pipe in some
cases. The "sewer pipe" this weenie is referring do is the body which is a
"pipe" of sorts. The other parts are machined from rod or flat plastics. The
ends are the weak link, so they need to be carefully structured. The pipe is
merely bulkheaded. I have mine set for about 600 feet, just beyond the
rating of the motor seal.

We use some HDPE lights that EE makes. These are small diameter and have a
relatively thick wall , are bulkheaded, and the key is that the lid is a
stiff material, not HDPE. Otherwise, they would leak . The bottom is all one
piece basically, so it flexes, but so what - there is nothing that is hurt
by it, and that is why you can drop it with the battery in it and it will
not break. Of course, that does not apply to the lid, switch, cord, etc.

Let me assure you that none of these guys has seen the real scooter, only
old ones or bad copies, and even those work fine. Casey has the second one I
ever made, and we did a video dive to 6500 at 300 with it last time we dove
together a couple of months ago. The first one JJ took on the Britannic. I
still have the third one and it dives with me all the time. Gavin tested
them in the chamber to 450 feet at Panama City before we ever used them,
years ago. The changes Reinhard and I have made since then are for other
reasons than surviving depth. Trout has one of the first five, and Gavin has
his and one I made.

Believe me, we get the job done and have thought it all out. These guys are
full of shit. They all spent years trying to copy me or "make it better",
only none of them understands why the machines are as they are. Reinhard
knows, JJ knows, I know, a few others know.

Bill Stone spent 90 days with 100,000 worth of "scooters" trying to follow
my line in Wakulla. He got to our second bottle drop - halfway. He , like
everyone else, "knew better" than I do. Thank God, or I would be following
his lines.

-----Original Message-----
From: Don Burke [mailto:donburke56@ne*.ne*]
Sent: Saturday, September 01, 2001 6:31 PM
To: givemeabreak george; techdiver@aquanaut.com
Subject: Re: George has done it again!


This is a pretty shitty troll, even compared to the usual here.

Without ever seeing a Gavin DPV, I feel very confident that they aren't made
of "sewer pipe."

Without a doubt, George uses schedule 80 or thicker.

I really doubt your sewer lines are made of anything thicker than DWV, which
would be about schedule 20 or so.  The city lines might be 40.

Of course, you'd have to get on the _outside_ of the sewer line to know that
so I suppose you're entitled to a break on this point.

On your other "point," reduction of metal exposed to seawater is pretty much
the state of the art in corrosion prevention.

AT&T, Westinghouse, and Grumman are very heavy into this.  This is why PCOF
is used for most external DSRV/DSV wiring.

Having worked in the field, I can tell you that the US government does very
little R&D in this area.  There is the engineering equivalent of
hand-to-hand combat in the private sector to find systems to sell government
agencies, who are far from being the biggest consumer of such equipment
anyway.



There are several things I disagree with George on.

I haven't found the need to come up with an alias to express my opinion.

Why have you?

Get a clue.  Get a life.



----- Original Message -----
From: givemeabreak george <georgegivemeabreak@ho*.co*>
To: <techdiver@aquanaut.com>
Sent: 31 August, 2001 15:52
Subject: George has done it again!


>
> >Trey wrote:
> >None of you morons even understand why we do what we do, and I am sick of
> >explaining it over and over only to have you screw it up , misinterpret
it,
> >and drivel about it when none of you has the experience to tie my shoes
or
> >JJ's.
> >As for this scooter thread, if anyone wants to know why the silent
> >submersion ' is a ghastly piece of crap, I'll be glad to explain that as
> >well.
> >
>
> Well.....yes George I would like to hear why the Silent Submersion is a
> piece of crap since your scooters are made of sewer pipe and glue. The
only
> thing in sewer pipe is crap. Who's the moron here?
>
>
> > >>>>>>>>>>>>>>>>>>>>>>>>.
> >Trey wrote:
> >
> >Bullshit - how many have YOU built? Anyone out there who has a problem
with
> >one of mine speak up. There is a far better solution and I use it. You
are
> >really too much.
> >
> >In reply Doug Chapman wrote:
> >George,
> >It is my business (and I'm damn good at it) building systems that are
used
> >in ocean service that in all reality dwarf the technical challenge of
your
> >scooters. I don't build dive scooters, but I have designed and built many
> >remote tethered and untethered deep ocean marine vehicles including ROVs,
> >AUVs,manned submersibles, towed acoustic sound sources,
submarine-launched
> >probe systems, submarine systems, various oceanographic instrumentations,
> >to
> >name a few blah blah blah.  'Don't think for a second that a dive scooter
> >is
> >technically challenging to everyone.
> >Perhaps you think your scooter is the most technically challenging ocean
> >system in the whole wide world? I hope not; if you do then you are a
> >fool,I've seen your scooters in their smallest detail. They are OK,
simple,
> >reliable, low cost - great for their application. 'But you could still
> >learn
> >a thing or two. The corrosion system I described works and has been
working
> >for years; perhaps yours does too.
> >Fine! Let's hear it. You should really learn about people before you
assume
> >too much and get over your head,technically speaking.
> >
> > >>>>>>>>>>>>
> George you really put your foot in your big alligator mouth that time.
> Since you are the bigtime expert on EVERYTHING from Apex regs to Zebra
> mussels, tell us your brillant Jerry Lewis solution to the corrosion
> problem. Also please tell us how much expertise you have in designing and
> building remote tethered and untethered deep ocean marine vehicles
including
> ROVs, AUVs,manned submersibles, towed acoustic sound sources,
> submarine-launched probe systems, submarine systems, and various
> oceanographic instrumentations.
> Please tell the US goverment how to do it so we can save millions in R&D.
> You really are a moron.
> Later.
> Give me a break Einstein.
>
>
> _________________________________________________________________
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>
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