Never number one Vance, allways wear number 3 or 4.. :-) (This tipp comes by a friend how purchase over the years some Side scan sonars and ROVs - allways the Production number 001 or A1) But number 3 and 4 reserve for me.. Just finish for today producton of lead-bars for the Euronaut. Dirty and warm job. 400kg / 900 pounds of bars ready to go into the bilge. Some 4000 Kg / 9000 pound still waiting for melting.. regards Carsten <vbra676539@aol.com> schrieb: > > Phil, > > Who, me? I'm just checking my check book. Gimme hull number one. > > Vance > > > -----Original Message----- > From: Phil Nuytten <pnuytten@compuserve.com> > To: INTERNET:personal_submersibles@psubs.org <personal_submersibles@psubs.org> > Sent: Fri, 27 Jul 2007 11:52 pm > Subject: RE: [PSUBS-MAILIST] SCUBA Limits > > > > > > Hi, Paul/all: > Idling down thru' some posts, I noted Paul's comment on a 'poor > mans DeepWorker' (or similar) as an alternative to SCUBA. Thought you might > be interested to know that Nuytco was approached by a couple of large > aquariums to build a very shallow, low-cost DeepWorker that would be used, > ostensibly, to feed fish or clean the windows of the aquaria or something - > but was actually to pull people in to 'see the submarine'! This came about > as a result of our having DeepWorkers in such aquariums as Newport beach, > Oregon, Monterey, Ca, Seattle, Wash,Vancouver, BC, etc., It was only a > fweek or so, each, but people jammed the place to see the subs operate - up > close! Most important to the aquariums, it brought attendance by local > people - who were tired of seeing the same ol' fish displays - back up. It > had been mentioned to us before, by the Sydney and the New Egland Aquariums > - and I finally did take it seriously enough to build two different > 'shallow' sub hulls, one in a hybrid composite fiber (glass and carbon > mixed in an epoxy matrix) and one in light mild steel. The depths required > for most aquariums are quite modest - the structural strength required to > stand handling the thing in and out of the water was greater than the > depth required integrity - so, I figured, why not make it deep enough that > it could double as an aquarium specimen collecting sub? They can already > collect with SCUBA so, the only big advantage would be bottom time - - > unless it went deeper than the average SCUBA diver. So I settled on 100 > meters - 320 feet. The steel hull we built was nearly the same as > DeepWorker - just a little shorter leg tube - but one third the thickness > and much, much, lighter. Cheaper , too - thinner domes, lighter stainless > hatch seat rings, etc., but still not dirt cheap. We'd had some > considerable experience with light, mild steel,shallow hulls used in a sub > series called 'Sea Urchin' in the mid- 90's and that knowledge helped get > the cost down.-But, the composite hull more economical by a considerable > factor, but had to be stiffened with large diameter aluminum tubing hoops > in the hatch sealing area and in the leg tube. > This was all a few of years ago. We already had all the test data > from Sea Urchin but nothing comparable from the 'plastic' DeepWorker. so we > set about to pressure test the 'plastic' - but then got an order for four > DeepWorker 2000's. So I put the 'plastic' hull aside in the the > 'to-be-continued ' part of the warehouse ( along with the 7,000 foot 'Deep > Roamer') and there it sits. > Recently, I had a thought ( always dangerous, our guys tell me) > What about just selling the 'plastic' (or lightweight mild steel) hulls, > battery pods, domes, etc., as a kind of a kit. Sorta like K350's but > jazzier looking (in my biased opinion) and I guess the question that I > didn't research any further was: what would it have to sell for in order to > be attractive to home builders? > Any thoughts? (I can hear Vance thinking 'Jeez, are you nuts? don't you > have enough problems now?) > Regards > Phil Nuytten > > > > > ************************************************************************ > ************************************************************************ > ************************************************************************ > The personal submersibles mailing list complies with the US Federal > CAN-SPAM Act of 2003. 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