本帖最後由 serrurier 於 2013-12-19 07:24 AM 編輯
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Scotland Canals
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At the beginning there were two canals:
# H- H, d+ |4 K3 D. c6 cCanal Forth and Clyde was built in 1777, between harbors Grangemouth and Falkirk connecting Glasgow with west cost of Scotland.
# b. M3 y: ~/ y- y$ ~6 |: j$ L公仔箱論壇Canal Union between Falkirk and Edinburgh was finished in 1822. Because of geographical difficulties, which created a difference of 79 ft. in elevation, the two canals were connected by 11 locks.
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In 1963,after 150 yrs of existence of this water way with 11 locks the construction of a huge water carousel started.
~7 g( k7 Q( @$ U5 c. ntvb now,tvbnow,bttvbThis extraordinary idea was finished in 2002 and became a symbol of Scotland.This invention saves not only time but also energy.
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This is the only rotational boat transporter in the world. It has two arms and each arm forms a kind of huge tub filled with water.5.39.217.762 W& @" N0 E! z# W
Boats enter the tub, then the tub locks up and the huge arm starts rotating .
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5 X, E0 v) F; t; G7 j- X- E, \, yEntrance to lower canal5.39.217.76. ^/ H( p7 @4 i9 H
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A Boat is approaching the “tub”
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There are boats in both “tubs” upper and lower公仔箱論壇) N. B5 ]8 q6 S" X+ F/ u& }
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Rotation is starting
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Boats in both rotating arms5.39.217.76+ ~4 H7 i3 ^9 Z# m0 D' N0 u
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' N0 B' V6 t3 q8 A0 e% N5.39.217.76Just before “landing”公仔箱論壇; ~" C. q7 L9 ^$ ] s' z) o1 j
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TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。* W- t& }" h+ ~4 z1 F; \) _
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TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。: D: f& s- x' L( s! R
Closing the gate, regulation of level of water and“tubs” rotation Takes 15 min. only.
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One“tub” 78 ft. long with water and boat weights about 300 tons. 公仔箱論壇6 N- g0 O' C3 x; A' t
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The“tubs” are filled according the Archimedes’ Law. So the weight of “tubs” are balanced. To open the upper and lower lock and turn the whole system by 180◦they need an engine of 22.5 kW which only use 1.5 kWh5.39.217.76( Q7 g Z) G# A% {2 t9 ]
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發表於 2013-12-19 07:01 AM
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發表於 2013-12-21 09:09 PM
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