[PSUBS-MAILIST] Mushroom Valve?

[hank pronk via Personal_Submersibles]

 James,I did do as Alan suggested and mounted tanks for stability that were pressurized with weight to compensate and create the stability.  It worked well, I used LP tanks.Hank
    On Friday, February 2, 2018, 9:35:05 AM MST, James Frankland via Personal_Submersibles <personal_submersibles at psubs.org> wrote:  
 
 Hi steve

Are you having for and aft tanks on your K250 as well as the saddles?

I really like the colour, very different from the usual.  Pond green!





On 1 February 2018 at 18:54, Steve McQueen via Personal_Submersibles
<personal_submersibles at psubs.org> wrote:
> James, When you do mount, like others have said, ensure the mounting attachments are beefy enough you can also support some decking with these mounts (if you want). I have similarly placed variable ballast tubes on my K-250 that will also be used to support my decking.
>
> For improved stability I am also considering adding some smaller saddle tanks in the future in conjunction to the variable ballast tubes I have.
> I think for this application Alec's arrangement on Snoopy  (1 mech. thru hull in tower) was clean and simple. I anticipate I will do the same.
>
> I have attached a couple of photos.
>
> Thanks,
> Steve
>
> ---- James Frankland via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>> Hi All,
>>
>> I am adding saddle tanks to Jodie B.
>>
>> Im not 100% sure what to do with regards to the vent plumbing.  I would
>> like to ask if anyone has any advice?
>>
>> I am thinking of putting 2x through hulls on the top of the main pressure
>> hull.  For and aft of the tower and then piping the vents to a valve that
>> would operate through them.  Similar to the existing vents.
>>
>> OR, fit the through hulls at the side so they penetrate the tanks and have
>> a linkage of some sort that operates valves attached to the top of each
>> tank, for and aft.  Some sort of mushroom valve??
>>
>> Any ideas?  What have other people done?
>>
>>
>>
>>
>
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