Re: [PSUBS-MAILIST] life support method?

["Karl Fuller" <fullerk@voyager.co.nz>]

Hi Sean,
Can you please explain how PID works, obviously not my field of expertise.
Thanks.
Karl.
----- Original Message -----
From: Sean T. Stevenson <ststev@uniserve.com>
To: <personal_submersibles@psubs.org>
Sent: Saturday, August 05, 2000 12:38 PM
Subject: Re: [PSUBS-MAILIST] life support method?


> >Point well taken! Yeah, I guess my description of the anxious psub pilot
was
> >a little over-the-top, but I have read first dive accounts from both Gary
> >and Pat.  They did not seem very comfortable at the time.
> >Again, my main point was that--from what I understand--the length of time
> >actually underwater diving in an amatuer built craft is not all day
unless
> >of course you get caught in a piece of net, or some other awful thing
> >happens.  On the other hand, those crafts you have experienced piloting
most
> >of us can only dream about.  There you may be involved in scientific
study,
> >or inspecting offshore oil platforms etc. and perhaps submerged for
extended
> >periods of time.  The life support systems are necessarily more
complicated
> >(read: vastly more expensive).  Besides, is a heater considered a
required
> >life support system?  Hell, that's what this whole thing was about to
begin
> >with not test-piloting an aircraft.
> >TTYL,
> >Big Dave
> >>
> >>Vance
>
> A heater is probably more of a comfort thing than necessary life
> support.  I have mine under PID control to control humidity, and
> prevent condensation and thus potential problems with electronic
> components.
>
> -Sean
>
>
>