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RE: Thru hull seals
John,
I wholeheartedly agree. I am always looking for something that's
already in use for my designs. The automotive industry is a prime
source for many mechanical items. Experimental aircraft enthusiests are
using the engines, machine designers are using the brakes, and so on.
Modern hydraulics as well involves so much research and development, it
is rare to design a component which exceeds the performance of COTS
(commercial off the shelf) items. As far as list of suppliers goes, I
find myself using McMaster-Carr and Grangers as a starting point quite
often. Both of these are good idea books as well. For hydraulics, get
a few catalogs on seals, valves, and fittings from your local Parker
Hannifin representitive. Swagelok makes a top of the line selection of
valves, fittings, hoses, and adapters. Yes, please do start a list,
I'll add to it.
Richard
> ----------
> From: John Brownlee[SMTP:jonnie@chronic.lpl.arizona.edu]
> Sent: Wednesday, September 09, 1998 11:12 AM
> To: personal_submersibles@psubs.org
> Subject: Re: Thru hull seals
>
> Ahh, you're a step ahead of me. See, I just hate not knowing how
> to solve a problem, and this viscosity one falls into that category.
> So,
> when I found a mailing list who share one of my long-time interests,
> thought I'd ask. Figured someone out there might have solved this
> problem
> for their own home-made seal, and might be able to point me towards a
> good
> reference on this sort of thing.
> Personally, I think it's very silly NOT to use commercial seals.
>
> They are better made, rigorously designed and tested, and often have
> good
> suggested guidelines for maintainence. Having gone through the
> archives
> before posting (as any new person should, methinks), I'm a little
> surprised to hear people aren't using more commercially available
> parts
> for mechanical solutions in the hobby. If we REALLY want to have a
> HOWTO
> page, we might build a list of suppliers for things people are tempted
> to
> build themselves but are better bought, like the current listing of
> complete sub manufacturers. I'd be willing to collect the addresses
> and
> things of companies I've used over the years to start it, if there is
> an
> interest in such an effort.
>
> John
>
> John Brownlee
> Lunar and Planetary Lab
> University of Arizona
> jonnie @ lpl . arizona . edu
>