[PSUBS-MAILIST] Sub launch musings

James Frankland via Personal_Submersibles personal_submersibles at psubs.org
Thu Feb 16 06:38:12 EST 2017


I have always thought a skip truck would be good.  Imagine K boat instead
of skip...  And you can get smaller skip trucks than this.  I measured one
and a K would fit.


​

On 16 February 2017 at 08:02, Douglas Suhr via Personal_Submersibles <
personal_submersibles at psubs.org> wrote:

> I'm quite keen on a small pontoon gantry design that will launch and
> recover with limited draught, provide plenty of flotation and
> stability for entry/egress from the sub and would reduce transit time
> to and from remote dive sites. I'm working on a design that will
> telescope horizontally, thus facilitating a variable breadth of the
> 'toons (for added stability on water, ease of travel on road). Still,
> I'm afraid open ocean operations will remain a formidable challenge. ~
> Doug
>
> On 2/15/17, T Novak via Personal_Submersibles
> <personal_submersibles at psubs.org> wrote:
> > The A-frame crane would not likely have sufficient reach.  They usually
> are
> > used on board ships to lift a sub out over the transom.  The same with
> > knuckle boom cranes, like the ones used to launch the Mir twins.  These
> are
> > used just to launch over the side of the ship.
> >
> >
> >
> > Hank has it right with a barge mounted crane.  The barge can be launched
> in
> > much shallower water while holding the sub than the sub launched alone.
> > With a pontoon or moon pool barge even a gantry crane would work.
> >
> >
> >
> > From: Personal_Submersibles [mailto:personal_submersibles-
> bounces at psubs.org]
> > On Behalf Of Brian Hughes via Personal_Submersibles
> > Sent: Wednesday, February 15, 2017 5:40 PM
> > To: personal_submersibles at psubs.org
> > Subject: Re: [PSUBS-MAILIST] Sub launch musings
> >
> >
> >
> > Or ... an A frame crane mounted on the back of a flatbed. Can you back
> down
> > a ramp far enough for sufficient water when swinging it off the back? I
> like
> > the idea of one vehicle for travel.
> >
> > Get Outlook for Android <https://aka.ms/ghei36>
> >
> >
> >
> >
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