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:) L: Y6 w( }* e
Canal Forth and Clyde was built in 1777, between harbors Grangemouth and Falkirk connecting Glasgow with west cost of Scotland.tvb now,tvbnow,bttvb: x- ]: y% W* `* ~ B" a7 v6 f
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 ], ] h4 w6 t g, u4 wThis extraordinary idea was finished in 2002 and became a symbol of Scotland.This invention saves not only time but also energy. 公仔箱論壇, X6 p0 z. b" k3 a( Q
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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。' c/ F* W! U* {
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.
8 N$ W) l' w# e. X. p公仔箱論壇Boats enter the tub, then the tub locks up and the huge arm starts rotating .6 N% R) F2 r8 o8 B- Y" q, }
! h8 s1 F6 _: f/ c- g9 `# v0 \lower canal
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Entrance to lower canal
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A Boat is approaching the “tub”
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: \1 g. e6 ^2 ?" [& A6 `4 B3 z公仔箱論壇There are boats in both “tubs” upper and lower公仔箱論壇9 w6 [+ E7 H# X J
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. ]" S2 Y) ^4 W( P: i ~6 s% J公仔箱論壇Boats in both rotating armstvb now,tvbnow,bttvb" _! ~1 v5 N/ N; x8 ^" L0 _
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; |3 G) p1 f. n, kwww2.tvboxnow.comRotation
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0 T* R1 _# Z& u4 e' z8 E* a2 e2 RJust before “landing”
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Closing the gate, regulation of level of water and“tubs” rotation Takes 15 min. only.+ h# ~. P; V& s- q- z1 B) x7 U. k, l
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# ^- O2 b; V0 M. r) W% X1 SOne“tub” 78 ft. long with water and boat weights about 300 tons. 7 f: o* F9 ^3 L! B$ T
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1 G" H: K ~3 o( t! X公仔箱論壇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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