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Re: [PSUBS-MAILIST] Need advice, new builder.



where in MO are you at?

>From: Stan Muller

>Reply-To: personal_submersibles@psubs.org
>To: Personal_Submersibles@psubs.org
>Subject: [PSUBS-MAILIST] Need advice, new builder.
>Date: Tue, 01 May 2001 21:33:37 -0500
>
>Hi All,
> I have been visiting your web sites for the past six months, and now
>I'm trying to apply some of what I have learned. I am building my own
>dry submersible. (Diving Duck)
> I have two aluminum cylinders (tanks) one is 24" by 75" and the other
>is 21" by 62" The larger is to be the hull and an end of the other is to
>be the conning tower. When assembled, the 1/8" aluminum will be covered
>with several layers of hand laid 6 oz. fiberglass epoxied on. There will
>be five, lexan 1/4" by 6" diameter portholes in the conning tower. two
>six gallon ballast tanks will be mounted on the exterior of the hull,
>and will be blown with CO2.
> I have built a 6' articulated arm with a grabber that will be mounted
>on the port side of the hull along side and below the conning tower,
>where it can be seen from the inside. It is built with pivots at the
>wrist, elbow and shoulder, and will follow the movements of my arm
>inside the sub. There will be no through hull mechanical fittings, for
>the arm, as it operates with hydraulics.
> Maximum depth of operation will be twenty feet, being at one
>atmosphere with a surface air supply through an umbilical from a tender.
>It will be sealed and pressure tested to thirty feet, before any trials.
>Emergency air will be onboard, as will drop ballast, and the other
>safety measures, that are outlined so well on your many web sites, will
>of course be included.
> Now for the questions; Am I on the right track so far? Is there
>anything that I should be concerned with that I haven't mentioned? Do
>you think that 12 gallons of air ballast will be enough if everything
>else is properly engineered?
> Any and all assistance will be appreciated.
>Thanks and best regards, Stan in Missouri.

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