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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8 o2 D8 @* T4 _At the beginning there were two canals: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。; e% u8 K8 |5 Q1 f7 [& J
Canal Forth and Clyde was built in 1777, between harbors Grangemouth and Falkirk connecting Glasgow with west cost of Scotland.) H% O' M( M1 b3 Q0 _6 X
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.1 x6 v* W6 d7 w/ i. f1 V
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' y0 C* b0 a" R! u" g0 p$ ptvb now,tvbnow,bttvbIn 1963,after 150 yrs of existence of this water way with 11 locks the construction of a huge water carousel started.公仔箱論壇0 f, V: R# E0 K$ g, y
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,bttvb# r/ {0 E- N1 h) C7 G5 ^0 I
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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.tvb now,tvbnow,bttvb# p5 I6 K' i& V: U: \
Boats enter the tub, then the tub locks up and the huge arm starts rotating .5.39.217.76& H8 f: e& w- f2 l/ T- @
8 B, i; p/ Z! @8 N. Rlower canal
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Entrance to lower canal
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A Boat is approaching the “tub”
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* A! G- L, |0 D7 M% ctvb now,tvbnow,bttvbThere are boats in both “tubs” upper and lower
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( U* J8 g1 O6 L" _1 }" J2 FRotation is starting
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Boats in both rotating arms5.39.217.764 q/ l$ l0 {+ z. o2 k9 p
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9 a! D& u/ T7 b5 k9 Y) E- ^8 wRotation
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Just before “landing”
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5 B' N4 v, w/ E) @- { A. e% x% qTVBNOW 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。( H/ D! H2 w/ t' |1 `
Closing the gate, regulation of level of water and“tubs” rotation Takes 15 min. only.公仔箱論壇' W6 A# B7 ^2 M! \
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% R9 d, @! p' D1 f7 p' |5.39.217.76One“tub” 78 ft. long with water and boat weights about 300 tons.
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% N" K6 c! p6 J; n2 TTVBNOW 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。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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