本帖最後由 serrurier 於 2013-12-19 07:24 AM 編輯 / v u( O8 I7 I# ~6 L
7 a- j7 `0 h+ Qwww2.tvboxnow.comScotland Canals
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At the beginning there were two canals:
3 U3 h& y3 |# ^www2.tvboxnow.comCanal Forth and Clyde was built in 1777, between harbors Grangemouth and Falkirk connecting Glasgow with west cost of Scotland.www2.tvboxnow.com% q' B2 y1 s) R( Q* O. x( b. i4 m
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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/ J0 T7 n' t/ T+ B; u公仔箱論壇In 1963,after 150 yrs of existence of this water way with 11 locks the construction of a huge water carousel started.
# ^ p; M/ L4 y iwww2.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6 z* ^9 Y. w9 \& f# L
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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.
/ E9 a( ]+ @" V$ Q- n g2 V& TBoats enter the tub, then the tub locks up and the huge arm starts rotating .
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' N" X* f* X5 \( N+ }www2.tvboxnow.comlower canal
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Entrance to lower canal
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) f' v# Y2 \4 M' F$ o" rA Boat is approaching the “tub”
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There are boats in both “tubs” upper and lowerwww2.tvboxnow.com+ r- \: I# E- d* s2 p" _
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0 ~# ]2 c3 n9 y8 c$ o- e3 YRotation is starting- C' s! ~/ q) k( ~# D
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Boats in both rotating arms公仔箱論壇 x& C; K) L B5 l9 B4 b7 \
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Rotationtvb now,tvbnow,bttvb% W. T- v- t+ @/ D5 l7 V
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9 `" N5 s' Q* z$ p. qtvb now,tvbnow,bttvbJust before “landing”
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! k( [& k2 i! H8 C& S' X6 Z! R' P# e cTVBNOW 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。Closing the gate, regulation of level of water and“tubs” rotation Takes 15 min. only.tvb now,tvbnow,bttvb. a7 B6 W& Z0 _4 b# o1 V/ |
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One“tub” 78 ft. long with water and boat weights about 300 tons. www2.tvboxnow.com$ g: i f4 _* B o; z- S! |6 ?
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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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發表於 2013-12-19 07:01 AM
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發表於 2013-12-21 09:09 PM
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