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参考网址: List of MythBusters episodes (维基百科) http://en.wikipedia.org/wiki/List_of_MythBusters_episodes MythBusters 2010 season (维基百科) http://en.wikipedia.org/wiki/MythBusters_(2010_season) ---------------------------------- 流言终结者:再探万能胶带 (Duct Tape Hour 2) 第144集 单元: 胶带的102种用途 (102 Uses for Duct Tape): 胶带桥(Duct Tape Bridge) 、汽车修护(Duct Tape car fixed)、拦车胶带(Car Stop) 在本集的流言终结者,准备好再次体会胶带的神奇魔力。亚当和杰米挑战极限,并且 冒险玩命;他们尝试横越裂沟,走过一条用胶带搭的桥。另外,凯莉、格兰和托瑞上 路,测试胶带能否保护车身不致散成碎片;车子一路冲到终点,测试黏黏的胶带能否 拦住高速疾驰的车子。 关键字: 「布」胶带(duct tape)、绳桥(rope bridge)、裂沟(chasm); 用胶带重新组装车辆(reassembled car with tape)、高速的安全驾驶(safely driven at high speed); 困住车辆(hold a car in place)、胶带路障(Duct Tape Barrier); 台架试验(bench test)、强度测试(strength test)、数位拉力计(digital force gauge)、终极自动胶带黏合机(ultimate Automatic duct-taping machine)、编织 (weaving)、桥面(floor)、走道(walkway)、扶手(handrails)、稳定索 (stabilizing rails)、横梁(cross structs)、延展後下垂(stretch to droop)、卡 车(truck)、钢制锚点(steel anchor points)、中点(midpoint)、预先拉长 (pre-stretch)、桥面翻转(bridge turning)、吊车和安全索具(crane & safe rigging)、摇晃(wobble)、振动(vibration)、惧高(fear of height)、亚当先通过 所施的力(stress of Adam's previous crossing)、弹性性质(elastic nature); 鸭子胶带(duct tape)、飓风胶带(hurricane tape)、电工胶带(gaffer's tape)、时 速百哩胶带(100MPH tape)、水箱胶带(tank tape)、装配工胶带(rigger's tape)、 防水性(waterproof)、车辆拆除(dismantled car)、消防员(squad of San Francisco firefighters)、车窗玻璃(window of door)、手电筒(flashlight)、阿 拉米达海军航空基地(Naval Air Station Alameda)、G力(G Force)、障碍赛道 (obstacle course)、方格旗(Checkered flag)、越野测试(off-road)、引擎熄火 (engine stalled); 车的拉力(pulling power of car)、拉力计(force meter)、各个方向延伸、电线杆 (pole)、轮胎冒烟(tires smoked); 搞什麽鬼(What the Files)、行进的车辆(moving vehicle)、混凝土路障(concrete barricades)、八字形(arrow formation)、偏斜(glancing blow)、牵引车(tow vehicle)、牵引杆(tow bar)、拖缆和滑轮(tow cable & pulley)、绳钩、快放绳、 钩环(shackle)、遥控煞车系统(RC braking system)、延展(stretched)、吸收能量 (absorbing energy); 黏性(viscous)、弹性(elasticity)、承载力(load bearing capability)、断裂强度 (breaking strength)、安全系数(safety factor)、聚乙烯层(polyethylene layer) 、纤维结构(fiber structure)、 天然橡胶压感黏合剂(natural rubber pressure-sensitive adhesiv); -------------------------------------------------------------------- …build a usable bridge across a chasm. "Confirmed" Adam and Jamie began by applying force to the middle of a strip of duct tape in order to determine its breaking strength. Finding a result of 67.3 lb (30.5 kg), they built up strands from layers of tape and Adam experimented with weaving them together to strengthen the design. They settled on a rope bridge with a 10-layer walkway, two handrails, and two stabilizing rails. They took the bridge to Mare Island Naval Shipyard, where they could set it up across a 104 ft (32 m) gap with a 50 ft (15 m) drop. During test runs to pre-stretch the parts and remove the tape's elasticity, they decided to connect the walkway and handrails with struts in hopes of reducing the wobble. A total of 196 rolls of tape were used to build the finished bridge, which was connected to steel frames on opposite ends of the gap. Adam and Jamie both made the crossing successfully, though Jamie had a much harder time keeping his balance due to his fear of heights and/or the stress of Adam’s previous crossing. Jamie commented that the elastic nature of the tape made it a poor choice for building bridges. …hold a completely dismantled car together so that it can be safely driven at high speed. "Confirmed" Kari tore apart a car’s body and frame with the help of a squad of San Francisco firefighters. Grant and Tory then reassembled it with tape, and the Build Team took it to Naval Air Station Alameda, where they set up an obstacle course on the runway to put as much stress on the car as possible. With Kari driving 40–60 mph (64–97 km/h), the car held together through 10 laps. Next they did some off-road driving in the rain; the engine stalled after several minutes, but the tape did not fail. …hold a car in place. "Confirmed" The Build Team hooked a force meter between a car’s rear bumper and a telephone pole, and found that the car could pull with a force of 1,300 lbf (590 kgf). Based on the breaking strength data from the bridge testing, they wrapped five rolls of tape around the car and pole to bind the two together. When Grant stepped on the gas, the car stayed in place even as the tires began to smoke, with only one strip of tape breaking. …stop a car going 60 mph (97 km/h). "Busted" The Build Team placed two concrete barricades on the Alameda runway and used one roll of tape to make a single thick strand strung between them. Driving at 40 mph (64 km/h), Tory was able to break through easily. For further tests, the team used 100 rolls of tape to make a 3 in (7.6 cm) thick wall, which they hung between the barricades, and towed the car into it while Grant steered remotely. On the first test, a problem with the tow cable caused the car to hit one of the barricades; the tape took a glancing blow, but did not break. The second test ended with one of the wall’s anchor points breaking loose, while the wall itself remained intact. In the third and final test, the car hit the wall dead center and broke through, but not before the tape had stretched nearly 6 ft (1.8 m). Based on the amount of time and material that would be needed to construct a workable car stopper, the team declared the myth busted. ------------------------------------------------------------------------- --



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◆ From: 58.115.139.172 ※ 编辑: bikwang 来自: 58.115.139.172 (09/24 21:42)







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