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Michael, don't get yourself all worked up. I do know that they can run ROV's around oil platforms in rough seas, heavy surge & current. And oil platforms have all kinds of entanglement problems. Deep exploration in the ocean is done with ROV's as well and these folks seem to be able to work around their problems. They can even run their ROV's into wrecks 2 or 3 miles down. At some point it is going to be foolish for anyone to go any further into a cave, just like at some point it is foolish to go any deeper on air. What will have to happen at that point to further exploration? And when is that point going to be reached? Valid questions, so instead of saying I don't think, why don't you think and explain where cave exploration is headed and if you're not sure, say so. Mark Michael J. Kravit, AIA wrote: > > Mark, > > Once again you are making statements without thinking. > > How would you get 15,000' of ROV cable to weave in and out and around the > cave corners, rocks, boulders, up and down without binding and getting > stuck. > > Think about it! > > The more you suggest, the deeper you confirm Rule No. 1 applies. > > Michael J. Kravit > mkravit@mi*.co* > > ---------- > > From: Mark Welzel <mark@mr*.co*> > > To: Alex Varouxis <alexv@er*.co*> > > Cc: techdiver@terra.net > > Subject: Re: Doing it Right (or I wanna be a hero) > > Date: Thursday, January 02, 1997 4:59 PM > > > > Hi Alex, I see your point but can't a ROV be down longer or > > virtually indefinitely? They use them all the time commercially > > and even for that Titanic & Bismark stuff. So I think you can > > get several miles of scope on your cables. If silting is a > > problem can't you get it through the restriction, wait for > > the silt to settle - even if it takes hours, then continue > > your mission? > > > > You can send a ROV into smaller openings, down into deeper > > depths, further along the system and they can stay down > > longer ALL at no risk to humans. You can design ROV's for > > specific applications as well. I would also venture > > to guess that insurance on robots would be cheaper than > > the insurance on the team members on WKPP's projects. > > > > Another point to consider is that the data retrieved from > > an ROV would not be biased by the diver and would be available > > to any necessary persons or agencies in its unadulterated form. > > > > As far as entanglements I will admit I know little of the inside > > of caves. Perhaps you could have tender ROV's watching the > > cable for the "push" machine? > > > > I would think that this might be worthy of further investigation > > especially if you were seriously interested in mapping cave > > systems. Not as glamorous as doing yourself, but definitely > > safer. I guess it would depend on the objectives of those involved. > > > > My thoughts, > > Mark > > > > > > Alex Varouxis wrote: > > > > > > Mark > > > > > > The amount of cable and the structure of a cave make this impossible. > The > > > tether would get tangled the ROV would kick up of silt. In this case a > diver > > > can do many times the amount of work than an ROV. The next problem > would be > > > the cost of the insurance for the ROV being used in a cave. > > > > > > Regards Alex > > > > > > At 02:39 PM 1/2/97 -0500, Mark Welzel wrote: > > > >George, if you guys are so interested in DOING IT RIGHT and > > > >SAFETY can you tell me why you risk your lives when ROV's > > > >could do a better safer job exploring those nasty caves. Hell, > > > >you would probably be done by now and could get on to some > > > >other worthwhile project with your "team". > > > > > > > >But, of course YOU wouldn't have the end of the line, your > > > >robot's would. It would be the BEST way, though. And you are > > > >a stickler for BEST, regardless of cost. Or are there areas > > > >where even you will weigh cost vs. risk? > > > > > > -- > > Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. > > Send subscription/archive requests to `techdiver-request@aquanaut.com'.
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