本帖最後由 serrurier 於 2013-12-19 07:24 AM 編輯
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Scotland Canals, e6 v. _. E& t: a9 r( D2 Z/ l, L
% K0 A+ V7 z/ u- b! iAt the beginning there were two canals:
9 U% f Y5 a6 m7 `公仔箱論壇Canal Forth and Clyde was built in 1777, between harbors Grangemouth and Falkirk connecting Glasgow with west cost of Scotland.
- H. y. J' x! s# T/ tCanal 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.2 g% }6 @% F2 G$ q/ L! {
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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.& `% `# |" \, o8 Y
This extraordinary idea was finished in 2002 and became a symbol of Scotland.This invention saves not only time but also energy. 5.39.217.77:8898- E7 Y: N- I# N, h
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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.
- j4 J+ m- U" W0 TBoats enter the tub, then the tub locks up and the huge arm starts rotating .tvb now,tvbnow,bttvb& b1 x, P! d/ U, s3 \; |
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lower canal
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Entrance to lower canal
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A Boat is approaching the “tub”& n2 ]% q" W0 ~7 v. j
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" H: Z# A. z7 MThere are boats in both “tubs” upper and lower
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Boats in both rotating arms
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7 O9 s6 v+ h4 Z) m1 g2 ARotation公仔箱論壇: [2 x) b0 _4 r! b3 ~ r
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' w* l# l& t3 P6 m" _ J公仔箱論壇Just before “landing”5.39.217.77:88984 |6 H9 ] P) r0 l
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* b% s$ W) S& j; N% m- Ltvb now,tvbnow,bttvbClosing the gate, regulation of level of water and“tubs” rotation Takes 15 min. only.5.39.217.77:8898, m% N8 g# O8 w5 x4 m$ \( _
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One“tub” 78 ft. long with water and boat weights about 300 tons. & A4 C1 M# B3 R5 D
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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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