HBOI uses something similar, albeit longer. The have a biggish buoy,
collapsed, that is inflated from inside and starts the process on its own, with
only a single air penetration. Something else we probably ought to look into is
the cord they used, which is, as I recall, only an eighth inch in diameter. It
has a dacron cover, kevlar core and not much stretch. Probably pretty
cheap, too, huh?
Thanks Jon, this answers
all!
I see a good use for the space in the aft part of my
sail.
Here in S. Florida, surface support could scream for
help on the VHF, which would arrive in relatively short order,.... should you be
disabled on the bottom,... and unable to bail out for some reason. And even if
you do bail out, it would be nice to find the thing again to try and get it
back!
A locator buoy to follow down to the sub would be a
wise addition...albeit yet another...oh well... penetration. Worthwhile I would
think.
Thanks again
guys!
Joe
>From: "Jon
Wallace" <
jon@psubs.org>
>Reply-To:
personal_submersibles@psubs.org >To:
<
personal_submersibles@psubs.org>
>Subject:
RE: [PSUBS-MAILIST] ID this picture?
>Date: Mon, 4 Dec 2006 10:32:00
-0500
>
>
>Look at the right side of the
spool where the bracket is welded to the sub.
>Look at the air line
that feeds the rear ballast tank and just behind it
>you'll see the
thru-hull fitting. Look at that more closely and you can
>see
>the shaft coming through the thru-hull, and attached to it
is a flat bar.
>You can see one end of the shock cord attached
there. From inside the sub,
>Harold just twists a lever and either
the ends of the shock cord spring
>free, or they are cut by the
shearing action of the flat bar pulling the
>cord against the
bracket above it. I seem to recall Harold saying the >shock
>cord
was cut by this action thereby assuring they would release
completely.
>
>There are two other views
at
>
http://www.psubs.org/convention/2003/pics.cgi?pics/k350-3/PDR_0095.JPG >
http://www.psubs.org/convention/2003/pics.cgi?pics/k350-3/PDR_0096.JPG >
>Jon
>
>-----Original
Message-----
>From:
owner-personal_submersibles@psubs.org >[
mailto:owner-personal_submersibles@psubs.org]On
Behalf Of Smyth, Alec
>Sent: Monday, December 04, 2006 9:55
AM
>To:
personal_submersibles@psubs.org >Subject:
RE: [PSUBS-MAILIST] ID this picture?
>
>
>As
I recall Harold has the buoy secured by shock cord. There is a
shaft
>through the hull with a little rectangular bar on it, and the
shock cord
>is threaded through grooves on the ends of that bar in
such a way that
>when he twists the shaft, the shock cord escapes
and the buoy floats
>free. The buoy is wrapped in a poly line that
unravells as the buoy
>rises. When I wanted to put a marker buoy on
Snoopy, I remembered
>Harold's principle of operation but could not
recall exactly what shape
>those grooves had on the ends of the bar,
so I simply put a thread on
>the outboard end of the shaft to
unscrew the buoy from
inside.
>
>Alec
>
>-----Original
Message-----
>From:
owner-personal_submersibles@psubs.org >[
mailto:owner-personal_submersibles@psubs.org]
On Behalf Of Joseph
>Perkel
>Sent: Monday, December 04,
2006 9:24 AM
>To:
personal_submersibles@psubs.org >Subject:
Re: [PSUBS-MAILIST] ID this
picture?
>
>
>How is this
released?
>
>Looking at the picture, you see it well
secured for road transport. Just
>below the buoy itself, you see a
short line going to what looks like a
>strap around the hull. Is
there a release mechanism down under the
>hull?...and how is it
actuated?
>
>Joe
>
>
>
>
>
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