[PSUBS-MAILIST] more Esmae video

[via Personal_Submersibles]

Brian,
Alec imparted some education to me one time on roll  control.  When he 
added side ballast tanks to Snoopy, I asked why he had  mounted them so they 
were partially above the waterline when surfaced.  He  explained that when the 
vessel rolls to one side, the tank on that side then  becomes more submerged 
and provides more "lift."  Simultaneously the tank  on the other side rises 
and provides less lift.  The net effect is  automatic roll dampening.
Jim T.
 
 
 
In a message dated 4/14/2016 9:18:04 A.M. Central Daylight Time,  
personal_submersibles at psubs.org writes:

 
Hi Alan,   Going to add a lot of weight to the bottom of the  concrete 
ballast , at the very bottom.  Need to cut an access hole in  that area so I can 
put lead bars in there and bolt them in.
 
Brian

--- personal_submersibles at psubs.org wrote:

From: Alan  via Personal_Submersibles <personal_submersibles at psubs.org>
To:  Personal Submersibles General Discussion  
<personal_submersibles at psubs.org>
Subject: Re: [PSUBS-MAILIST] more  Esmae video
Date: Thu, 14 Apr 2016 19:17:46 +1200


Another interesting video Brian.
I see what you mean about the stability.
Pity you couldn't have sunk her completely to see how stable 
she was once that big conning tower was under the water.
What's the next step?
I am not sure I am getting all the posts so apologies if I'm  doubling 
up on any one else's comments.
Alan

Sent from my iPad

On 13/04/2016, at 10:19 am, Brian Cox via Personal_Submersibles  
<_personal_submersibles at psubs.org_ (mailto:personal_submersibles at psubs.org) >  wrote:




 
Hi All,
                 Here is some additional video made by a friend of mine:
 
https://vimeo.com/162570037
 
Brian




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