本帖最後由 serrurier 於 2013-12-19 07:24 AM 編輯 tvb now,tvbnow,bttvb) R0 A$ Y# c) q- W- O: m& \# Q7 A
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Scotland Canals
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At the beginning there were two canals:
& Q- v/ _& O3 J& j/ j! P/ YCanal Forth and Clyde was built in 1777, between harbors Grangemouth and Falkirk connecting Glasgow with west cost of Scotland., \' ?0 u) \4 g/ n' n8 q. h
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.
- [4 [* D9 I/ N1 m; _4 {+ s. VThis extraordinary idea was finished in 2002 and became a symbol of Scotland.This invention saves not only time but also energy.
( `) w& k& b- G: s# m公仔箱論壇5.39.217.768 s0 t" T$ ~/ ]8 s, D: R
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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.
, I, g7 v0 A# m" A6 t3 Ztvb now,tvbnow,bttvbBoats enter the tub, then the tub locks up and the huge arm starts rotating .
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; r" h f$ M. tlower canal 公仔箱論壇" D! K: P1 ^2 K0 C! c
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$ b+ V6 c C1 N) O2 m4 D4 ztvb now,tvbnow,bttvbEntrance to lower canal
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/ L0 t) J; K6 _ L0 K3 e5.39.217.76A Boat is approaching the “tub”5 x6 c9 {& Z) w' k& s* u$ W/ T& B
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: L$ E4 Y; ^& cThere are boats in both “tubs” upper and lower
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Rotation is starting
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9 q( ?$ s4 g! y( JBoats in both rotating arms公仔箱論壇) N6 a) E3 S) u6 W2 a
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Just before “landing”tvb now,tvbnow,bttvb* b" E* i+ _, ~% l$ X
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?, U# @& l5 |7 U5.39.217.76Closing the gate, regulation of level of water and“tubs” rotation Takes 15 min. only.tvb now,tvbnow,bttvb' r6 O0 A6 ?" h- N7 e7 @
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! h1 w* ~5 F# l" P7 dOne“tub” 78 ft. long with water and boat weights about 300 tons. 5.39.217.76 x. l$ S) G8 g7 G
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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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" C" e9 {, I9 ^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。 |
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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