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 T! O( y4 l* C8 ~公仔箱論壇At the beginning there were two canals:tvb now,tvbnow,bttvb- v( B1 {- a+ L" A4 l' K& P
Canal Forth and Clyde was built in 1777, between harbors Grangemouth and Falkirk connecting Glasgow with west cost of Scotland.
; w$ o- k/ Y7 |3 ?5.39.217.77Canal 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.公仔箱論壇3 \2 l$ F+ u4 w1 U& k9 |6 y O9 }0 D
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) L( Y7 r1 ]/ M L3 D公仔箱論壇In 1963,after 150 yrs of existence of this water way with 11 locks the construction of a huge water carousel started.
o5 N; ~( i3 n7 N( ?; _* `tvb 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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* y1 p/ H) n1 l% ]8 _. ytvb now,tvbnow,bttvbThis 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.
% d& r% q: s5 f) T# y2 r3 a9 A9 S公仔箱論壇Boats enter the tub, then the tub locks up and the huge arm starts rotating .
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lower canal 公仔箱論壇4 ?8 M4 _: u, @& Z9 s
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Entrance to lower canal- `/ O2 G* p9 S, P
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% x, @) T/ |/ x7 o2 N$ z8 K5.39.217.77A Boat is approaching the “tub”
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There are boats in both “tubs” upper and lower公仔箱論壇: Y; ?$ N6 k0 s* c; l! a% E
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1 N, n' [7 ?2 ^ V/ @8 B; ~5 S* o d5.39.217.77Rotation is startingtvb now,tvbnow,bttvb' N1 s I2 \/ p
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& j) Q" n+ q. I9 q GBoats in both rotating arms
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Rotation
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6 m# [& }& ]. o0 e1 w# B+ z$ f+ ]4 @tvb now,tvbnow,bttvb5.39.217.77( V I4 `; t/ g# y2 {! }/ R
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Just before “landing”: _' L9 F& H- ~0 S+ M
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& c5 n7 W7 u" s, ?- wtvb now,tvbnow,bttvbTVBNOW 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。+ Y, Q3 G/ s7 B9 p
Closing the gate, regulation of level of water and“tubs” rotation Takes 15 min. only.
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; _! [3 z' i% l$ E% |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 kWh1 P1 L% ~( \; {$ ^) ]/ h, b6 H5 v
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