Re: [PSUBS-MAILIST] R300 dive at Lake Amistad

[Benny Fritz <ctssbowtie@yahoo.com>]

Every time I see the R-300 in action it gives me the extra kick to keep going on my design.  Cliff, you built an awesome boat, I hope that mine measures up.

--- On Tue, 2/23/10, Jon Wallace <jonw@psubs.org> wrote:

> From: Jon Wallace <jonw@psubs.org>
> Subject: Re: [PSUBS-MAILIST] R300 dive at Lake Amistad
> To: personal_submersibles@psubs.org
> Date: Tuesday, February 23, 2010, 9:23 PM
> 
> Nice job, Cliff.  I'll add the link to the web site
> when I have a chance.
> Can you provide any info on the tow to the dive site? 
> You said it was about a mile; how long did it take? 
> How much gasoline chewed up by the towing vessel? 
> Horsepower of the towing vessel?  Any problems on your
> end...porpoising, weaving, etc.
> 
> Jon
> 
> 
> 
> Cliff Redus wrote:
> > Over the weekend, I took my boat out to Lake Amistad
> near Del Rio Tx.  Nine dives were completed and we
> qualified two new pilots.  As I have not completed the
> max depth unmanned test, the deepest dive was  60
> ft.  As it was a cold, windy and overcast day, the
> visibility was not all that great.  The dive site was
> about a mile from the boat ramp so we towed the psub over to
> the dive site to conserve batteries.  The lake was a
> bit choppy.
> >  Things got a little interesting on the last dive
> in which we launched off a anchored 23 ft fishing
> boat.  I had a bow line on the psub as a safety
> precaution.  While I was on the bottom, the wind came
> up and caused the support boat to loose it anchor and begin
> dragging me across the bottom.   At that time
> I decided to ascend to see what was going on.  At about
> 36 ft, the psub stopped ascending.  I kept adding more
> and more air to the VBT and still the boat would not resume
> it ascent.  I then started blowing air into my MBT
> which did the trick and I surfaced.  Upon surfacing, I
> was very surprised to see that the wind had blown the
> tethered boats one mile down wind.  The reason the
> ascent was halted was that when the psub got off the bottom,
> the support boat really started to pick up speed and psub
> wings and control surfaces were holding it in a horizontal
> glide pattern.  My take away lesson was not to dive the
> boat tethered to another boat in windy conditions.  All
> in all, it was a fun day.
> >  Attached is YouTube link of the dive http://www.youtube.com/user/drRedus#p/a/u/0/6O-PeYlt26c ;
> Cliff
> 
> 
> 
> 
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