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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3 ]: J/ m8 n2 b公仔箱論壇At the beginning there were two canals:tvb now,tvbnow,bttvb, A# r: W! T( `
Canal Forth and Clyde was built in 1777, between harbors Grangemouth and Falkirk connecting Glasgow with west cost of Scotland.1 L- m, [$ Z5 j( D1 ]
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.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。$ P* }3 c! a$ j
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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.
* M7 n5 u& c- r( d: T1 u+ nThis extraordinary idea was finished in 2002 and became a symbol of Scotland.This invention saves not only time but also energy. ; s' i% `6 D9 Y& X
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: y5 N4 u! n% |/ S6 MThis 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.
3 t" j# z Y: S- O: A& Ltvb now,tvbnow,bttvbBoats enter the tub, then the tub locks up and the huge arm starts rotating .
- c5 Y& k* K" c, `7 `6 |- F3 gTVBNOW 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。tvb now,tvbnow,bttvb, Q5 \- D `; k+ {' X+ E. S# ~) o
lower canal tvb now,tvbnow,bttvb! {& h6 z, X8 l% S' Z6 q# Q& t0 r
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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。4 u# X$ o1 _. A3 a' D! _& P, D: J
Entrance to lower canal
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6 [2 z. q/ ?- c7 u rtvboxnow.comA Boat is approaching the “tub”
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There are boats in both “tubs” upper and lower
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Rotation is starting
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~9 B* K. H2 {Boats in both rotating arms
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/ S/ ], Q% j3 B4 M公仔箱論壇Rotation1 \* w: J/ O* f- p6 @ J. ^
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: i3 Y. @, F! nTVBNOW 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。Just before “landing”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。1 N x0 Y& W9 }3 F
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Closing the gate, regulation of level of water and“tubs” rotation Takes 15 min. only.
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7 i) i* ]7 u) [; y' g% O) R8 Q公仔箱論壇One“tub” 78 ft. long with water and boat weights about 300 tons.
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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 kWh
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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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