本帖最後由 serrurier 於 2013-12-19 07:24 AM 編輯 tvboxnow.com- P' c: D' _+ L% C+ ^# s- h
( ~1 i$ a7 t* r! V6 Z+ ~& d公仔箱論壇Scotland Canals
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+ r, Z7 Q3 W8 o2 S; B; E- z( Z6 s$ ~6 O( zAt the beginning there were two canals:: c$ f) Q2 n: X' G o4 A- K
Canal Forth and Clyde was built in 1777, between harbors Grangemouth and Falkirk connecting Glasgow with west cost of Scotland. [1 f! w: V2 a
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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$ C3 b, @, v% G$ ~: M: Q8 B3 eIn 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2 A4 k0 H+ u- H9 r
This extraordinary idea was finished in 2002 and became a symbol of Scotland.This invention saves not only time but also energy. tvboxnow.com5 G6 h4 d5 A$ L6 C
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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.
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lower canal
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Entrance to lower canal
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A Boat is approaching the “tub”
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There are boats in both “tubs” upper and lower公仔箱論壇$ E) T% k+ L8 y b! Y% E
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Rotation is startingtvb now,tvbnow,bttvb5 T* r. L, a9 y% [8 G8 c& |
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( I0 j% ]8 l4 d' M: [: OBoats in both rotating arms" q3 _7 @1 n" W! s( U
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Rotation8 q- ]% {0 w7 X
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Just before “landing”
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+ x2 F- c" z3 m# y. H- B5 jClosing the gate, regulation of level of water and“tubs” rotation Takes 15 min. only.3 _9 \4 {# L# X+ s, E
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% F; \/ @) g* |) A/ n. sOne“tub” 78 ft. long with water and boat weights about 300 tons. ! e: n4 S3 J& Q; Z9 y
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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 kWhtvb now,tvbnow,bttvb- C4 |7 k. U& t4 r
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