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Re: [PSUBS-MAILIST] Advice for a newbie?

To: <personal_submersibles@psubs.org>
Subject: Re: [PSUBS-MAILIST] Advice for a newbie?
From: "Rick and Marcia" <empiricus@telus.net>
Date: Wed, 4 Jan 2006 09:51:31 -0800
References: <20051230173659.69666.qmail@web53002.mail.yahoo.com> <02b901c60db4$4beff810$6cc1a845@FAMILYROOM> <012401c60e52$732d3ed0$bc99149a@mrsam> <02f501c60e72$c70bfcb0$6cc1a845@FAMILYROOM> <000a01c60f25$0ce86040$0200a8c0@ricks>
Reply-to: personal_submersibles@psubs.org
Sender: owner-personal_submersibles@psubs.org

Hi, Rick M.

When I mentioned air compensation I forgot to say that I'll be using the
second stage from a dive regulator, not the first stage.

Any overpressure will simply be bled off through the exhaust vents.  Sorry
for the confusion.

Rick L.


----- Original Message -----

> dan
>
>     have you had problems with case failure using scuba regulators, the
> first stage is 120 psi output  and non venting?
>
> rick m
>
>
> ----- Original Message -----
> From: "Dan H." <jmachine@adelphia.net>
> To: <personal_submersibles@psubs.org>
> Sent: Saturday, December 31, 2005 5:29 PM
> Subject: Re: [PSUBS-MAILIST] Advice for a newbie?
>
>
> > Good addition Rick,
> > I completely forgot about air compensation. I was thinking of passive
> > compensation systems.
> > Dan H.
> > ----- Original Message -----
> > From: "Rick and Marcia" <empiricus@telus.net>
> > To: <personal_submersibles@psubs.org>
> > Sent: Saturday, December 31, 2005 4:37 PM
> > Subject: Re: [PSUBS-MAILIST] Advice for a newbie?
> >
> >
> >> [snip]
> >>
> >> 3  There are two ways of water proofing a thruster.  One method is to
> >> fill
> >> the thruster with some fluid, usually oil, so there is no room for
water
> >> to
> >> enter.  The other way is to design your motor pod or shaft drive
through
> >> hull with a pump shaft type seal.  For low pressure there are rubber
> >> seals
> >> on the market, but to go deeper, it's best to use a carbon and ceramic
> >> face
> >> type seal.  These are used in water pumps to keep water from dribbling
> >> out
> >> all the time.  You just install it backward, so water doesn't dribble
in.
> >>
> >> [snip]
> >>
> >> Hi - another thought on Dan's offering is to compensate the motor pod
> >> with a
> >> line running to a scuba tank.  The regulator from the tank compensates
> >> the
> >> pod automatically.  The standard seal from the manufacturer doesn't
have
> >> to
> >> be tinkered with using this method.  The one thing you will have to do
is
> >> drill/tap a hole in the motor casing to run the line(s) and the
> >> through-hull.
> >>
> >> There may be more than one item that needs compensating, like fore and
> >> aft
> >> trim tanks in the case of magical Child.  I will be running lines not
> >> from a
> >> tank directly but from a manifold.
> >>
> >> Rick L
> >> Vancouver
> >>
> >>
> >>
> >>
> >>
************************************************************************
> >>
************************************************************************
> >>
************************************************************************
> >> The personal submersibles mailing list complies with the US Federal
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> >>
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> >>
> >> Removal of your email address from this mailing list occurs by an
> >> automated process and should be complete within five minutes of
> >> our server receiving your request.
> >>
> >> PSUBS.ORG
> >> PO Box 311
> >> Weare, NH  03281
> >> 603-529-1100
> >>
************************************************************************
> >>
************************************************************************
> >>
************************************************************************
> >>
> >>
> >
> >
> >
> >
> >
> > ************************************************************************
> > ************************************************************************
> > ************************************************************************
> > The personal submersibles mailing list complies with the US Federal
> > CAN-SPAM Act of 2003.  Your email address appears in our database
> > because either you, or someone you know, requested you receive messages
> > from our organization.
> >
> > If you want to be removed from this mailing list simply click on the
> > link below or send a blank email message to:
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> >
> > Removal of your email address from this mailing list occurs by an
> > automated process and should be complete within five minutes of
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> >
> > PSUBS.ORG
> > PO Box 311
> > Weare, NH  03281
> > 603-529-1100
> > ************************************************************************
> > ************************************************************************
> > ************************************************************************
> >
> >
>
>
>
>
>
> ************************************************************************
> ************************************************************************
> ************************************************************************
> The personal submersibles mailing list complies with the US Federal
> CAN-SPAM Act of 2003.  Your email address appears in our database
> because either you, or someone you know, requested you receive messages
> from our organization.
>
> If you want to be removed from this mailing list simply click on the
> link below or send a blank email message to:
> removeme-personal_submersibles@psubs.org
>
> Removal of your email address from this mailing list occurs by an
> automated process and should be complete within five minutes of
> our server receiving your request.
>
> PSUBS.ORG
> PO Box 311
> Weare, NH  03281
> 603-529-1100
> ************************************************************************
> ************************************************************************
> ************************************************************************
>




************************************************************************
************************************************************************
************************************************************************
The personal submersibles mailing list complies with the US Federal
CAN-SPAM Act of 2003.  Your email address appears in our database
because either you, or someone you know, requested you receive messages
from our organization.

If you want to be removed from this mailing list simply click on the
link below or send a blank email message to:
	removeme-personal_submersibles@psubs.org

Removal of your email address from this mailing list occurs by an
automated process and should be complete within five minutes of
our server receiving your request.

PSUBS.ORG
PO Box 311
Weare, NH  03281
603-529-1100
************************************************************************
************************************************************************
************************************************************************

References:
- Re: [PSUBS-MAILIST] Advice for a newbie?
  - From: "rick miller" <rickm@pegasuscontrols.com>

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