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Mongo had a large 55 gal drum get away. On Mon, 29 Apr 1996 john.r.strohm@BI*.co* wrote: > >In my limited experience, lift bags tend to take off slowly and in a short > distance > >accelerate quite a bit. Usually too much to control after about 5 feel > (granted > >this is from only about 40 feet to start). Deeper would, of course, be > slower to > >expand, but nevertheless it will become very positive if it has to lift any > >significant weight and it isn't full of air to start with. > > You think that's something? > > Ever seen a 50 gallon oil drum get away? > > My advanced class was using two of them to lift this murderously-heavy > concrete block, for our light salvage practice. We were in about 60 ffw or > so at the time. Somehow, we managed to forget to attach the drum to the > block, so when we started shooting air into the drum, it took off like the > proverbial bat out of h*ll with its tail on fire. > > Our surface crew tells us it threw itself COMPLETELY out of the water. > > AND THE BEST PART: It jumped out of the water just a short distance away > from our dive flag float. The Sheriff's boat was in the immediate vicinity > at the time, WELL inside the 100' radius, and our surface crew was yelling > at them to get the H*LL clear of the diver's flag, just when the drum came > up. The klutz who was driving the boat suddenly figured out he was in a > bad place, and no one would have ANY sympathy for him, or his boat, or his > excuses, if the next drum came up through his keel. > > We couldn't have done it better if we had planned it that way. > -- > Send mail for the `techdiver' mailing list to `techdiver@terra.net'. > Send subscription/archive requests to `techdiver-request@terra.net'. >
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