本帖最後由 serrurier 於 2013-12-19 07:24 AM 編輯 ( O1 ]& Y$ E* W
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Scotland Canals
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At the beginning there were two canals:
. o4 a& d& H; A5 S1 k+ ktvb now,tvbnow,bttvbCanal Forth and Clyde was built in 1777, between harbors Grangemouth and Falkirk connecting Glasgow with west cost of Scotland.
L* v8 O# |4 x! `& Wtvb now,tvbnow,bttvbCanal 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/ }3 p# G+ i/ ^& N' I5 _/ W! utvb now,tvbnow,bttvbIn 1963,after 150 yrs of existence of this water way with 11 locks the construction of a huge water carousel started.tvboxnow.com& M" @! r: z; ?* D9 V( ]2 A
This 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- k. W# c; O- M" k3 Y+ V3 Y9 O
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7 b9 K7 N) R' }1 e$ o9 N3 IThis 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.. `! ^* |- M( s4 w Z5 u! m
Boats enter the tub, then the tub locks up and the huge arm starts rotating .tvb now,tvbnow,bttvb) u/ G& `+ P e9 S4 r+ o& o
3 N! @: k4 \* ~) Btvboxnow.comlower 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。6 {! m! F2 ^. T; g, N& V
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9 B" j3 x [- x; w/ L. p$ ~tvboxnow.comEntrance to lower canal
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A Boat is approaching the “tub”
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There are boats in both “tubs” upper and lowertvboxnow.com0 E: l, }5 X" H0 S1 ^9 y; h
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Rotation is startingtvboxnow.com7 S9 o+ g7 U7 p. s
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3 g+ q5 e7 w6 W$ @" c- W# D4 P公仔箱論壇Boats in both rotating arms
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# a6 K" K7 O- z* C" V+ Qtvb now,tvbnow,bttvbRotationtvb now,tvbnow,bttvb' u( t* m+ P4 z/ ]6 K$ Q
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Just before “landing”公仔箱論壇' x0 i6 b# x Q
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; d8 {; Y6 E3 _! xClosing the gate, regulation of level of water and“tubs” rotation Takes 15 min. only.5 w- N/ Y6 K0 @- }' u8 C0 d
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+ q- u6 C: F) _7 B1 c4 Ctvboxnow.comOne“tub” 78 ft. long with water and boat weights about 300 tons. 5 E3 q8 O) q% f3 {/ v
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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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