Re: [PSUBS-MAILIST] Oil vs air

["Chris Crouch" <eccrouch@cpol.net>]

Where can I go to get more information on what the navy is doing with those
seals?
----- Original Message -----
From: "Nick" <timely@jps.net>
To: <personal_submersibles@psubs.org>
Sent: Friday, February 25, 2000 10:20 PM
Subject: Re: [PSUBS-MAILIST] Oil vs air


> The x-9 which I have on e-bay right now uses dielectric in mini-kota
notors as
> a pressure seal and cooling fluid.I have yet to put my x-9 in the water
but
> almost 10 years old these moters still run just fine on the orginal
oil.Nick
>
> Paul Suds wrote:
>
> > On my DPV, I used a high quality rotary seal. Does anyone use an oil
filled
> > motor housings on any of their shallow subs or ROV's? I know this
question
> > has come up before, and I've always advocated air with a good rotary
seal,
> > but I've been doing some research on Navy rotary seals and the like. It
> > seems that the really deep ROV's and some subs use high dialectric oil
with
> > pressure compensated diaphragms. My motors are going to be kind of
> > expensive,high current, and high voltage. Oil is starting to look
> > desirable...Suds
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