本帖最後由 serrurier 於 2013-12-19 07:24 AM 編輯 - w1 W2 z# T4 ~# I
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Scotland Canals
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At the beginning there were two canals:
8 {. f% n/ q ?6 o4 ?tvb now,tvbnow,bttvbCanal Forth and Clyde was built in 1777, between harbors Grangemouth and Falkirk connecting Glasgow with west cost of Scotland.5.39.217.76! {) Z, Q* r0 _/ 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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T: r+ N; k3 j, d1 R. C: [" DTVBNOW 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。In 1963,after 150 yrs of existence of this water way with 11 locks the construction of a huge water carousel started.
6 S# [5 i0 |( K6 m# N q+ W5 Ntvb now,tvbnow,bttvbThis extraordinary idea was finished in 2002 and became a symbol of Scotland.This invention saves not only time but also energy. ) m2 Z9 W9 f/ y$ T1 w$ B( O4 v" @
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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.
. b( X2 ~% p+ n1 m- N/ xTVBNOW 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。Boats enter the tub, then the tub locks up and the huge arm starts rotating .
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lower canal 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。8 \, u1 ^. e# \1 `5 L4 n3 w
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1 Q6 x E% R; Z" e/ tEntrance to lower canal
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A Boat is approaching the “tub”公仔箱論壇 E+ s. y& K' U$ ]( y
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There are boats in both “tubs” upper and lower
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* d8 r0 ?: [4 w# ^- gRotation is starting5.39.217.76$ v7 B" Y; Q4 K
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Boats in both rotating arms
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Rotation5.39.217.76# ^* {6 L( ~* n3 ^7 S2 L
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* E8 V6 b6 G3 e. n1 |Just before “landing”
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, N9 X8 k% w# M% h( A$ K- c! m5.39.217.76Closing the gate, regulation of level of water and“tubs” rotation Takes 15 min. only.- S' l6 @1 D# b* d% n8 i) M" {6 `
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f% u2 C$ R4 k( W, s7 P7 W5.39.217.76One“tub” 78 ft. long with water and boat weights about 300 tons. 5.39.217.76' f1 V* A' p. N! ?1 @" O9 ?+ N
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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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