本帖最後由 serrurier 於 2013-12-19 07:24 AM 編輯 公仔箱論壇0 e! d( k3 [3 \# B; a$ B
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Scotland Canals
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At the beginning there were two canals:tvb now,tvbnow,bttvb. F: ~) m+ e% ~) z, q8 c
Canal Forth and Clyde was built in 1777, between harbors Grangemouth and Falkirk connecting Glasgow with west cost of Scotland.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 Y: ]3 }: N! 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.tvb now,tvbnow,bttvb" J( b4 [, L9 l. a7 S y( b3 `# d
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4 \. H5 J# h1 Qtvboxnow.comIn 1963,after 150 yrs of existence of this water way with 11 locks the construction of a huge water carousel started.tvb now,tvbnow,bttvb8 `6 u5 x( X7 P0 v" x: ^
This 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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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.: k% P6 r# w! p/ j; g( i: }1 h
Boats enter the tub, then the tub locks up and the huge arm starts rotating .tvb now,tvbnow,bttvb' S2 N- }( u1 g
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lower canal
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Entrance to lower canal0 B N' I' S- c ~2 {
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A Boat is approaching the “tub”公仔箱論壇6 L% s1 L9 C3 e
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9 ]* R# [" ^/ ]0 V, pTVBNOW 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。There are boats in both “tubs” upper and lower
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& m/ X1 h' F, r w1 i( Q [Rotation is starting公仔箱論壇0 j# Q& J$ m5 y. o# {3 j
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. n9 d: s k1 r- _7 `tvb now,tvbnow,bttvbBoats in both rotating arms
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, O$ ]: S l& rJust before “landing”
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Closing the gate, regulation of level of water and“tubs” rotation Takes 15 min. only.tvb now,tvbnow,bttvb# T2 C5 J" s. V4 ]
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5 U! T; o J- [tvboxnow.comOne“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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