For hydraulic steering there is a simple
solution by using an outboard motor boat steering system. Cable and all
done for you. Not too expensive. I’m looking at it for moveable ballast
trim. You can get up to 15” stroke.
Just an idea. Has anyone used this?
Hugh
Hugh Fulton.
Managing Director
Tel : +64 9 5276055
hfulton@eclipsevalves.com
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Eclipse Valves Ltd. www.eclipsevalves.com
Tel: +64 9 527 6135. Fax: +64 9 527 4532.
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From:
owner-personal_submersibles@psubs.org [mailto:owner-personal_submersibles@psubs.org]
On Behalf Of ShellyDalg@aol.com
Sent: 23 April 2008 08:04
To:
personal_submersibles@psubs.org
Subject: Re: [PSUBS-MAILIST]
Frank's new pic
Hi Dean. I saw your latest pictures and
your's is looking good too!. Thanks for the encouragement. It sure takes a lot
of grinding/sanding to put one of these things together. I should have stuck
with the simpler shape, but once I got started on the damn foam, I was having
too much fun. The next step on this piece is to pull it off the hull and stand
it up vertically so I can reach the bottom half without laying on my back. As I
said, it's been a learning experience, and is getting easier ( well, OK, maybe
just a little.)
I'm ready to buy the nipples for the
thru-hulls. Stainless schedule 80 for the air/water/electrical/hydraulic
systems. Looks like I need about 20 or so. Man, that's a lot of holes!
I'm trying to design a hydraulic system
without using a pump to drive the rudders and dive planes. Basically a
master cylinder and slave cylinder set up. It will need to be double acting so
I'm either looking to buy the parts or maybe get my machinist son-in-law to
make them. I was thinking if I use a pressurized reservoir tank to maintain
pressure in the system, ( with a scuba tank hooked into it) it should keep any
water from entering the external actuators. I'll build the system on-the-bench
and see what works.
If I can't get it to work, I'll go
with electric motors with screw type linkage.( really, more simple.) I was
just trying to avoid using precious electrical power on any system that could
use muscle power.( and no way I'm putting any rotating shafts through the
hull.) Another thing was the dive planes/side motor mounts need to be able
to "fail" in the vertical position. This may be a problem with the
screw type linkage. Still thinking that one through.
Did you see the link on the little video
camera? check it out, looks pretty nice!. ( wonder how much $ )Anyway,see ya
this year at the convention. Frank D.
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