[PSUBS-MAILIST] new sub project

Mon May 25 05:40:37 EDT 2015

Hank,how would you configure the ballast tanks?You could have something like a truck inner tube around the top sectionthat could be deflated & cause very little drag & would also give good stability.However you wouldn't be able to transit horizontally on the surface.Alan
      From: hank pronk via Personal_Submersibles <personal_submersibles at psubs.org>
 To: Personal Submersibles General Discussion <personal_submersibles at psubs.org> 
 Sent: Monday, May 25, 2015 3:12 PM
 Subject: Re: [PSUBS-MAILIST] new sub project

Alec,
I am not thinking flyer at all.  The water clarity would not support the speed.  I am thinking of a simple tiny light sub that can launch anywhere even off the deck of my boat.  It is just a though right now.

For now I am enjoying my what seems gigantic bow dome.  The visibility is unbelievable, the modification cost and effort has been well worth it.  As a bonus, my payload is back to 500 lbs plus.  I had to fill the sub with steel plates to get it to sink.  :-)
Hank  --------------------------------------------
On Sun, 5/24/15, Private via Personal_Submersibles <personal_submersibles at psubs.org> wrote:

 Subject: Re: [PSUBS-MAILIST] new sub project
 To: "Personal Submersibles General Discussion" <personal_submersibles at psubs.org>
 Received: Sunday, May 24, 2015, 10:38 PM

 Indeed! Except mine went
 vertical only for emergency exit rather than as standard
 procedure.  It was not going to have any freeboard to speak
 of in vertical mode, so you would climb out in a hurry and
 watch her sink from under you. The method of going vertical
 was dropping the emergency weight, which was located at the
 very front. More than the front actually, it stuck out and
 constituted your crash bar. The sub was a "flyer",
 a poor man's Deep Flight. I had her 90% complete when I
 bought Snoopy, and the flyer project sat untouched for many
 years while Snoopy took up all my time and served as a
 classroom. The sub I'm finally finishing up now recycles
 the flyer hull, but redone to be conventional. Well,
 conventional in the sense of having ballast tanks and a
 conning tower - she's actually a pretty bizarre beast as
 the folks who come to the convention will see! My conclusion
 was that a flyer must be great fun but requires both
 unusually clear water and a vessel capable of laun!
  ching the sub at the dive site. If I owned a
 mega yacht and cruised the Galapagos, a flyer would be just
 the thing. But what I'm aiming for now is radical
 simplicity, whereas the old one was all touch screens,
 servos, PLCs, and such.

 Best,

 Alec

 > On May 24, 2015, at 7:31 PM, Jon Wallace
 via Personal_Submersibles <personal_submersibles at psubs.org>
 wrote:
 > 
 > 
 > Talk to Alec, he was building such a
 design years ago before he acquired SNOOPY and ultimately
 decided against it...but I don't recall why.
 > 
 > 
 >> On 5/24/2015 6:31 PM, hank pronk via
 Personal_Submersibles wrote:
 >> Yes,
 you float it to the dock side, then tip it vertical to get
 in, close the hatch, tip it horizontal, and your away. 
 Saves building a CT that my 200lb sexy frame can fit into
 :-)
 >>
 Hank--------------------------------------------
 > 
 >
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