This is a very long one, but one of my personal favorites, and one that has been requested. It is a two parter. In this message, Sheck makes what may sound like some questionable decisions, but stayed tuned to see how he probably saved his buddies life. Not only was Sheck as tough as Wolf pussy, he was also extremely modest. FB "On Thanksgiving day�Exley and Deloch embarked on a triple stage push on D- Tunnel� As Exley later remarked, this was a true �Thanksgiving� dive for more than one reason. Exley explains: �I started back down (from looking at an alcove) and suddenly there was a lound "thunk" as my batteries broke loose from the retaining mechanism and shifted toward the scooter nose. This made the DPV want to pitch forward. I tilted the scooter back and the batteries returned to their original position and the scooter righted itself, but it still would not power up. So I gave it to Paul to take out while I finished up surveying what we had installed on this dive. �We were not very concerned at this point because we had turned the dive early and had very large reserves of gas, plus there were additional stage bottles in the cave. When I finished the survey, Paul handed me the scooter. I mounted it and grabbed his T-bar for a tow after he insisted. I wanted him to motor out without me while I just swam along behind. However, he insisted, so I just went ahead and got on it. We motored out successfully to Room #3, then the compass on my right wrist was sucked into the prop of his scooter. This, in turn, caused the bungy cord around it to jam the scooter prop and pin my right wrist. I cut it loose with my forearm knife, inadvertently dropping the compass and knife, and finally cut enough of the bungy away to free the prop. However, uncertain about his props sea-worthiness, I elected to leave my scooter and come back to get it on a later dive. Paul towed me back to our emergency stage bottles at 1500 feet. I had sufficient gas in my tanks at this point and asked Paul to leave and go motor on out while I swam out. The heavy drag of my three stages and my Viking suit made exertion necessary to make any progress. On a high PO2 for over an hour it was difficult and my breathing was inefficient. My final stage bottle, for which I had borrowed a stage that morning, still indiacted 1500 psi when I got to Grand Junction, but I was out of gas in that particular tank. I picked up one of the two emergency depot bottles at Grand Junction, but the regulator was bad. The other one breathed hard, but I was able to get some gas out of it and exchanged it for one of my empties. Given the additional exertion required to swim, I was again short on air by the time I reached the the three 80�s at the Grand Canyon depot. At this point, I set my survey slate down, and grabbed one of these bottles while dumping two of my 80�s. My primary light went out just before this so I switched on my 50 watt secondary. This complete, I met up with Paul at the entrance. Our bottom time had been 77 minutes, and we still had 9 hours 22 minutes before we could surface.� " Stone, W. C., The Wakulla Springs Project, pg. 128-129, The U.S. Deep Caving Team, Gaithersburg, MD, 1989 Next time, post dive analysis. FB -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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