本帖最後由 serrurier 於 2013-12-19 07:24 AM 編輯 tvb now,tvbnow,bttvb) s3 }! Y7 F$ r" w* r& G I5 S
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Scotland Canals
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At the beginning there were two canals:
6 T- D7 Y: h0 u* d9 ITVBNOW 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。Canal Forth and Clyde was built in 1777, between harbors Grangemouth and Falkirk connecting Glasgow with west cost of Scotland.
/ k; |/ ~; W7 b5 ~% n' ^公仔箱論壇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.
# J2 D" {) M; @" R D公仔箱論壇5.39.217.77% j+ ?' m4 V0 G
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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.5.39.217.775 ]# n8 U7 W- s
This 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.
/ W' y4 ] Y1 O% {% l" Q/ {1 ltvb now,tvbnow,bttvbBoats enter the tub, then the tub locks up and the huge arm starts rotating .' S; D9 Y) Y5 I5 q5 p% v; p1 m
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lower canal
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5 y1 e9 {& V! V+ k+ Q5.39.217.77Entrance to lower canal8 z0 X/ I' b7 e: B
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9 q" E. V( o- a" Z3 g7 G( ?5.39.217.77A Boat is approaching the “tub”tvb now,tvbnow,bttvb" ] m' k$ W! s6 w0 h
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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。2 @1 z% W' q, Q4 y) y' \% e. i0 ]
5 \; a# ], y" q( G+ c/ v公仔箱論壇There are boats in both “tubs” upper and lower5.39.217.778 E4 Y) a% ?4 y' g
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Rotation is startingtvb now,tvbnow,bttvb$ j+ l, G6 R$ B% A$ H! H& O
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$ f$ M2 S5 @+ n, ^! dBoats in both rotating arms
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- e) M! G9 x0 s3 `3 F$ ^% x, URotation
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( X& ]8 k. |: o" aJust before “landing”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。" b) N1 j/ ~! {
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Closing the gate, regulation of level of water and“tubs” rotation Takes 15 min. only.
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; k& X( V8 }4 |公仔箱論壇One“tub” 78 ft. long with water and boat weights about 300 tons. # M/ n u+ b5 L0 U! I8 b. x* N
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( v3 W( k" @* i) E/ K/ l d$ \tvb now,tvbnow,bttvbThe“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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