本帖最後由 serrurier 於 2013-12-19 07:24 AM 編輯
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% E) d" w5 Q+ b# ~7 P9 i公仔箱論壇Scotland Canals, F. {, |6 m1 K6 N3 J3 Y
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At the beginning there were two canals:
& |* _- m1 O6 }Canal Forth and Clyde was built in 1777, between harbors Grangemouth and Falkirk connecting Glasgow with west cost of Scotland.
5 U+ l' i2 [) F6 ^0 w* k8 A+ QCanal 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.% ^+ ~/ ?) L0 B6 ?2 L' e
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- h0 b8 \3 G$ }$ h s9 A7 \0 G+ Lwww2.tvboxnow.comIn 1963,after 150 yrs of existence of this water way with 11 locks the construction of a huge water carousel started.
) s: u+ |2 x0 l4 xThis 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.
- T7 r5 z! w( k公仔箱論壇Boats enter the tub, then the tub locks up and the huge arm starts rotating .
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9 P. x1 N4 k: s$ U/ x" |; Bwww2.tvboxnow.comlower canal
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$ F% ~0 c2 U# o+ C2 \公仔箱論壇Entrance to lower canaltvb now,tvbnow,bttvb& S- h) X; S2 v$ j4 X
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A Boat is approaching the “tub”www2.tvboxnow.com- o6 x1 l( i# b6 S; d) P
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There are boats in both “tubs” upper and lower
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/ n7 H% f3 d$ T4 ORotation is starting
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# U: g# P9 V! \8 b+ O3 M4 OBoats in both rotating armswww2.tvboxnow.com( d4 F# V& s5 E. e+ s6 T
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Just before “landing”
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Closing the gate, regulation of level of water and“tubs” rotation Takes 15 min. only.
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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 kWh
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- A3 S+ \ N2 G0 Z! ~& B) LTVBNOW 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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