Re: [PSUBS-MAILIST] Launch Retrieval Transport

[Ray Keefer <psubs2001@yahoo.com>]

Hi Jim,

Try:

http://www.psubs.org/pic/tank.html

Regards,
Ray

--- Jim Pesanka <jpesanka@yahoo.com> wrote:

> Hi Brian!
>    
>   I have seen old pictures of a psub with tracks
> somewhere before.  At this moment, I can't recall
> just where, but perhaps others might?  If it comes
> back to me I will let you know.
>    
>   Cheers!
>    
>   Jim
> 
> Brian Cox <ojaivalleybeefarm@dslextreme.com> wrote:
>       st1\:* {   BEHAVIOR: url(#default#ieooui)  }  
>            The Track Vehicle that I had in mind
> would not be a part of the submersible,  the sub
> would rest on top and lift free when the track
> vehicle got deep enough.  After that it could just
> stay put on the floor until the sub returns,  sub
> settles down on track vehicle and then drives out.
>    
>   BC
>     ----- Original Message ----- 
>   From: Jay K. Jeffries 
>   To: personal_submersibles@psubs.org 
>   Sent: Sunday, November 05, 2006 14:55
>   Subject: RE: [PSUBS-MAILIST] Launch Retrieval
> Transport
>   
> 
>       Note:  Sent this last night but it appears to
> have not gone through or was restricted to size. 
> After multiple attempts on Joe?s and my part to get
> this loaded, now breaking it into 4 parts.
>    
>   Part 2 of 4
>    
>    
>   6.     Wheeled submersible
>   a)      Pros:
>   i)        Simple solution
>   ii)      Tires can be filled with water to negate
> buoyancy issues
>   iii)    Negates ramp issues (except where a whole
> exists at the end of a ramp in skinny water)
>   b)      Cons:
>   i)        If directly under the sub, increases
> draft
>   ii)      In a K-series submersible, if placed on
> the sides would significantly increase beam
>   iii)    May get mired in the muck before getting
> to the channel
>   iv)     If powered
>   (1)    Increase power consumption
>   (2)   Increased complication due to drive train
>   7.     Tracked submersible
>   a)      Pros:
>   i)        Negates ramp issues (especially if
> powered)
>   ii)      Should not get mired in muck due to
> increased foot print of the tracks
>   b)      Cons:
>   i)        Adds extreme complexity to a system
>   ii)      Increases drag
>   iii)    Increases power requirements and
> transmission if powered
>   iv)     WW II German Seeteufel was not successful
>   v)       All other applications of tracked
> submersibles have been powered from shore or the
> surface
>   vi)     Large increase in cost
>   vii)   Still have to get to the channel and dive
> site
>   8.     Fork Lift Launch
>   a)      Pros:
>   i)        Simple solution for launch/recovery
>   b)      Cons:
>   i)        Not all marinas/yards have a fork lift
>   ii)      Many Florida yards/marinas will not
> service you if you are not a regular customer
>   iii)    Launch/recovery costs quickly add up
>   iv)     Still have to get to the channel and dive
> site
>    
>   Respectfully,
>   Jay K. Jeffries
>   Andros Is., Bahamas
>    
>   Mankind have a great aversion to intellectual
> labor; but even supposing knowledge to be easily
> attainable, more people would be content to be
> ignorant than would take even a little trouble to
> acquire it.
>   - Samuel Johnson
>    
>    
> 
> 
> 
> 
>  
> ---------------------------------
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