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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