本帖最後由 serrurier 於 2013-12-19 07:24 AM 編輯 n4 c7 H. k& _$ b. p" R
( U8 f+ m- S/ V' V* m公仔箱論壇Scotland Canals
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At the beginning there were two canals:
0 y0 R5 K2 v b公仔箱論壇Canal Forth and Clyde was built in 1777, between harbors Grangemouth and Falkirk connecting Glasgow with west cost of Scotland.
+ ]# O1 @( ]2 V V1 k' e! e: O% xtvb now,tvbnow,bttvbCanal 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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1 i$ k( |" Z2 b, s) v* s5 wwww2.tvboxnow.comIn 1963,after 150 yrs of existence of this water way with 11 locks the construction of a huge water carousel started.: i5 p3 u U0 L9 H9 g
This extraordinary idea was finished in 2002 and became a symbol of Scotland.This invention saves not only time but also energy. tvb now,tvbnow,bttvb7 I5 M; C! S9 s6 @7 B
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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.
6 A1 f. c. `( u" l( t" Utvb now,tvbnow,bttvbBoats enter the tub, then the tub locks up and the huge arm starts rotating .
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lower canal
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Entrance to lower canaltvb now,tvbnow,bttvb' ~. s+ c0 d( S: l& {" V; r+ s a
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A Boat is approaching the “tub”* D3 R0 B$ {2 u% w6 ?
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There are boats in both “tubs” upper and lower/ d7 _1 Y2 X# v6 _) O
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Rotation is starting+ V* g4 ~1 ^8 s0 l; e. }$ l
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Boats in both rotating arms
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RotationTVBNOW 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。" i" @% ]% P7 j6 r5 q% ^
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Just before “landing”; O+ X: e' ^* G
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6 u( c2 e& {# U* A( e* hwww2.tvboxnow.comClosing 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. $ Q& [$ h0 u7 n: U3 Q( i$ p
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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- k4 T8 n( N& u- i: j5 @9 X
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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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