本帖最後由 serrurier 於 2013-12-19 07:24 AM 編輯 公仔箱論壇& q5 i7 [2 V% f
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Scotland Canals公仔箱論壇, b% |2 @' r" m% c4 y. a) h/ O ]
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At the beginning there were two canals:
9 H* @2 l! ]! M* Y6 htvb now,tvbnow,bttvbCanal Forth and Clyde was built in 1777, between harbors Grangemouth and Falkirk connecting Glasgow with west cost of Scotland.www1.tvboxnow.com# v: }" j/ h r: b+ 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.www1.tvboxnow.com. |' L( j& k9 v& m# `1 L1 |. G1 v% d5 h
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4 e) r0 ]0 X1 P- g- y% B+ bIn 1963,after 150 yrs of existence of this water way with 11 locks the construction of a huge water carousel started.
/ U1 T" ~% `0 M1 ^www1.tvboxnow.comThis extraordinary idea was finished in 2002 and became a symbol of Scotland.This invention saves not only time but also energy. 公仔箱論壇# w" J h2 n+ j( x; t* q
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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.& Y1 k5 X1 u9 u7 W: v' B
Boats enter the tub, then the tub locks up and the huge arm starts rotating .4 V$ k% B3 B3 J2 `! z- F/ l/ j
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lower canal
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Entrance to lower canal
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A Boat is approaching the “tub”
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) g A# U, d) V4 ]' w, F8 t# V( nThere are boats in both “tubs” upper and lower公仔箱論壇; t- k1 q% ^4 {
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Rotation is starting
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7 G4 u( z/ o$ }: @( J公仔箱論壇Boats in both rotating arms
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Rotation
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5 \; I( j+ t9 M/ e9 y7 q" Swww1.tvboxnow.comJust before “landing”
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& X, [ Q6 ]' _4 I2 h W- H8 _Closing the gate, regulation of level of water and“tubs” rotation Takes 15 min. only.0 Y _0 S3 ~1 i4 S5 M' ?
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One“tub” 78 ft. long with water and boat weights about 300 tons.
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, f& \/ x1 I1 E! j( y. c4 X" wThe“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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