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Pastimes : Don't Ask Rambi -- Ignore unavailable to you. Want to Upgrade?

To: Gauguin who wrote (53350)	7/13/2000 2:17:07 PM
From: Ish	Read Replies (1) \| Respond to of 71178

<<Then there's the Locks, themselves. They are SO COOL. That is a simple enough, and elegant enough, idea, that even Paul can understand it. "The water starts from upstream, and it fills this thing, when they close the gates, and bwoop! The boat comes up!>> I'll tell you about a neat lock, more of a lift, I went through. It consisted of two giant tubs each being around 100' x 150' that were side by side except one was level with the upper river and the other level with the lower section of the river. The boats would sail in and the doors closed. Then the upper was lowered while the lower was uppered. Since boats displace their weight in water the two tubs offset each other in weight. The reason this was used was because it was at the site of a fall that was way too steep for conventional locks.