Sean.
Your model is very "Typhoon" like, were you inspired by it for the exterior profile? Very nicely done.
Also, where did you get the prop model files? I could really use these.
Thanks
Joe
From: "Sean T. Stevenson" <cast55@telus.net>
Reply-To: personal_submersibles@psubs.org
To: personal_submersibles@psubs.org
Subject: [PSUBS-MAILIST] concept sketch
Date: Thu, 23 Feb 2006 20:56:07 -0500
>As a result of Carsten's suggestion I updated the design by adding a
>fourth hull underneath the two main pressure hulls. Originally, I
>did this in an attempt to increase the vessels's draught enough to
>permit the egress of divers from the lockout chamber exit hatch
>without changing the hatch position. I don't think I accomplished
>this successfully, since the space beneath the hatch is still
>insufficient for a person to stand when the boat is on the bottom;
>however, the design change added a couple of benefits that have
>nothing to do with lockout operation.
>
>Since the propulsion is diesel-electric, the engine need not be
>located in proximity to the prop shaft(s), and in fact it is
>desireable to put it in a lower position, since it is a heavy piece
>of gear and will help to lower CG. By putting the engine /
>generator down below, I get this benefit, plus the added benefit of
>lower noise levels in the main pressure hulls above. The increased
>draught allows me to extend the mast well deeper, increasing my
>maximum "periscope" depth, and allows me to drain the bilges into
>the lower space for overboard pumping, reducing the free surface
>effect of any water in the bottom of the main pressure hulls.
>
>I added the bow doors to this drawing, which are rotated into the
>closed position for cruising or surface runnng, to improve the hull
>lines and protect these viewports. I also added props, for no
>reason other than to make it look cool.
>
>www.seanstevenson.ca
>
>-Sean
>
>
>
>
>
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