[PSUBS-MAILIST] MBT

[David Colombo via Personal_Submersibles]

Hank, once i saw your video, it answered my questions. Great idea.

On Fri, May 15, 2020, 4:37 PM hank pronk via Personal_Submersibles <
personal_submersibles at psubs.org> wrote:

> Oh I see you saw the two nipples, you just drew it with the tank to high,
> the second nipple is vertical at max height.
>
>
> On Friday, May 15, 2020, 5:35:23 PM MDT, hank pronk <
> hanker_20032000 at yahoo.ca> wrote:
>
>
> If you look at the photo closely, you will see two nipples welded for the
> valves.
> Hank
>
> On Friday, May 15, 2020, 5:34:24 PM MDT, hank pronk <
> hanker_20032000 at yahoo.ca> wrote:
>
>
> David, it takes two solenoid valves so one is at the top when at surface
> and one when it is submerged.  There is a vent pipe below pointing toward
> the centre of the sub.  There will be a stopper to prevent the tank from
> going above the other MBT's.  that height will be determined when I put it
> in the test pool.
> Hank
>
> On Friday, May 15, 2020, 5:19:47 PM MDT, David Colombo via
> Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>
>
> Hi Hank, I doodled your fabrication and have some questions.
> How are you draining the tank, it seems like there will be trapped air.
> How are you controlling the swing of the arm once filed with air? It seems
> like it will have a lot of movement while in the surface depending on the
> sea state.
> Does the tank have an open area that we cannot see in the image?
> Interesting concept to increase surface stability.
>
> Best Regards,
> David Colombo
>
> 804 College Ave
> Santa Rosa, CA. 95404
> (707) 536-1424
> www.SeaQuestor.com
>
>
>
> On Fri, May 15, 2020 at 12:18 PM hank pronk via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
>
> Tim. There will be two solenoid valves per tank to accommodate the vent
> position
> Hank
>
> Sent from my iPhone
>
> > On May 15, 2020, at 12:54 PM, T Novak via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
> >
> > Very clever, Hank.
> >
> > It's interesting how you have the two vents set up.
> >
> > Tim
> >
> > -----Original Message-----
> > From: Personal_Submersibles [mailto:
> personal_submersibles-bounces at psubs.org]
> > On Behalf Of hank pronk via Personal_Submersibles
> > Sent: Friday, May 15, 2020 11:31 AM
> > To: Personal Submersibles General Discussion
> > <personal_submersibles at psubs.org>
> > Subject: [PSUBS-MAILIST] MBT
> >
> > Hi all check out my front MBT.  It is hinged so it is out of view when
> > diving.   When you add air it rises where I want it witch is level with
> the
> > aft tanks. There will be one on each side with 75 lbs buoyancy per tank
> > Hank
> >
> >
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>
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