Re: [PSUBS-MAILIST] Opinions About Design

["Brian Cox" <ojaivalleybeefarm@dslextreme.com>]

I don't know, anytime you start having moving parts like that you run the risk of breaking something.  With extended pontoons there will be great force exerted on the joint where they are connected and with the weight of the sub they could be stressed quite easily I would think.   If you are trying to have your sub be more stable on the surface it will most probably mostly be underwater already and not subject to much wave action anyway.

BC
----- Original Message ----- 
From: "George Slaterpryce" <gslaterp@hotmail.com>
To: <personal_submersibles@psubs.org>
Sent: Thursday, November 09, 2006 11:57
Subject: Re: [PSUBS-MAILIST] Opinions About Design


> Ok, attached is a front view of how BugEye II is configured.
> 
> I'm thinking of taking the keel weight, (the black dot) and putting it on 
> some sort of telescoping arm so I can drop it down furhter, and splitting 
> the BCU (the white squarish box) into two pontoons and also putting them on 
> some sort of telescoping arm so they can be pushed out futher on a 45 degree 
> angle so they will be not only further apart but also futher from the main 
> body so the center of bouyancy will be much futher away from the main 
> preasure body/can than if everything was pulled back in as far as it would 
> go.
> 
> You'd retract everything to be as close to the body as possible for maximum 
> manueverability and "spryness (cant' thing of another word) and extend 
> everything for stability but less manueverability.
> 
> Yes?
> 
> George H. Slaterpryce III
> www.bridgessoftware.com
> www.captovis.com
> ----- Original Message ----- 
> From: "Brian Cox" <ojaivalleybeefarm@dslextreme.com>
> To: <personal_submersibles@psubs.org>
> Sent: Thursday, November 09, 2006 2:16 PM
> Subject: Re: [PSUBS-MAILIST] Opinions About Design
> 
> 
> >A picture would help !
> >
> > BC
> > ----- Original Message ----- 
> > From: "George Slaterpryce" <gslaterp@hotmail.com>
> > To: "PSUBS Mailing List" <personal_submersibles@psubs.org>
> > Sent: Thursday, November 09, 2006 07:58
> > Subject: [PSUBS-MAILIST] Opinions About Design
> >
> >
> >> I'll be working a little more on BugEye II this weekend, I have an 
> >> optician
> >> friend who owns his own shop that's going to make a custom lense for the
> >> camera portal for me. this will "Complete" the main preasure can of the
> >> unit.
> >>
> >> Now I was going to do a "typical" arrangement of a ballast on top,
> >> keelweight and wing thrusters... but..... I'm wondering if some sort of
> >> pontoon and drop weight config would be better.
> >>
> >> I.E. I'm wondering if I should make pontoons that can be extended further
> >> out and up (at a 45 degree angle) from the preasure can by about half 
> >> meter
> >> and a keelweight also on some sort of extender that could be lowered the
> >> same distance.
> >>
> >> This way I could completley extend the pontoon style ballast and weight 
> >> for
> >> greater stability when needed and retract them closest to the body (main
> >> preasure can) for greatest manueverability.
> >>
> >> I'm just wondering if this configuration would actually give a easily
> >> noticable performance boost or if on something as small as BugEye II 
> >> would
> >> be negligable.
> >>
> >> Opinions? Comments? Smack upside the head cause I'm missing something
> >> obvious?
> >>
> >>
> >>
> >>
> >>
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