本帖最後由 serrurier 於 2013-12-19 07:24 AM 編輯
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# i% L1 T5 V. R' |$ ^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。Scotland Canals: T# b2 @0 `7 F
; ~8 Z* z6 Z6 J公仔箱論壇At the beginning there were two canals:公仔箱論壇# l1 E* G& O( E$ i% E* n
Canal Forth and Clyde was built in 1777, between harbors Grangemouth and Falkirk connecting Glasgow with west cost of Scotland.
; Z$ I; s& v( U5 k$ H) s3 o% [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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In 1963,after 150 yrs of existence of this water way with 11 locks the construction of a huge water carousel started.
% g* [( p8 e0 F" H8 O! S5 U公仔箱論壇This extraordinary idea was finished in 2002 and became a symbol of Scotland.This invention saves not only time but also energy. tvb now,tvbnow,bttvb( t+ K6 X+ m4 `" M1 D
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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.公仔箱論壇! A, { w1 z% u8 e$ T
Boats enter the tub, then the tub locks up and the huge arm starts rotating .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。1 ]' p& R, b1 g) S
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lower canal
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Entrance to lower canal
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A Boat is approaching the “tub”tvb now,tvbnow,bttvb6 k& T$ z, i7 \. h, ?+ l7 ~# E: ~
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There are boats in both “tubs” upper and lower公仔箱論壇* \* N+ T/ f+ E" l# |, b/ a( B
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* a% o J3 Y0 f9 I/ ORotation is starting
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9 z8 [4 t7 A2 k+ _$ TTVBNOW 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 in both rotating arms; V& Z8 P. R# M" e% k
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Rotation
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Just before “landing”
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8 S a, Q6 t4 |9 x7 ?$ mClosing the gate, regulation of level of water and“tubs” rotation Takes 15 min. only.5 A2 q( b8 w7 [' Q/ o2 b& v1 [
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One“tub” 78 ft. long with water and boat weights about 300 tons.
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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 kWhwww2.tvboxnow.com7 I) r3 L }1 |: i7 I1 [' E
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