人人爽人人干,男女污视频在线观看,黑帮老大和我的365日2,久久亚洲成人av,亚洲日本一区二区三区,99er6免费热在线观看精品,亚洲一区免费看,91麻豆产精品久久久久久夏晴子

    Disc brake History

     

    Early experiments

    Development of disc brakes began in England in the 1890s.

    The first caliper-type automobile disc brake was patented by Frederick William Lanchester in his Birmingham factory in 1902 and used successfully on Lanchester cars. However, the limited choice of metals in this period meant that he had to use copper as the braking medium acting on the disc. The poor state of the roads at this time, no more than dusty, rough tracks, meant the copper wore quickly making the system impractical.

    The American Crosley Hot Shot is often given credit for the first production disc brakes. For six months in 1950, Crosley built a car with these brakes, then returned to drum brakes. Lack of sufficient research caused reliability problems, such as sticking and corrosion, especially in regions using salt on winter roads. Drum brake conversions for Hot Shots were quite popular. The Crosley disc was a Goodyear development, a caliper type with ventilated disc, originally designed for aircraft applications.

    Chrysler developed a unique braking system, offered from 1949 to 1953. Instead of the disc with caliper squeezing on it, this system used twin expanding discs that rubbed against the inner surface of a cast-iron brake drum, which doubled as the brake housing. The discs spread apart to create friction against the inner drum surface through the action of standard wheel cylinders. Because of the expense, the brakes were only standard on the Chrysler Crown and the Town and Country Newport in 1950. They were optional, however, on other Chryslers, priced around $400, at a time when an entire Crosley Hot Shot retailed for $935. This four-wheel disc brake system was built by Auto Specialties Manufacturing Company (Ausco) of St. Joseph, Michigan, under patents of inventor H.L. Lambert, and was first tested on a 1939 Plymouth. Chrysler discs were "self energizing," in that some of the braking energy itself contributed to the braking effort. This was accomplished by small balls set into oval holes leading to the brake surface.When the disc made initial contact with the friction surface, the balls would be forced up the holes forcing the discs further apart and augmenting the braking energy. This made for lighter braking pressure than with calipers, avoided brake fade, promoted cooler running, and provided one-third more friction surface than standard Chrysler twelve-inch drums. Today's owners consider the Ausco-Lambert very reliable and powerful, but admit its grabbiness and sensitivity.

    Racing breakthrough

    Reliable caliper-type disc brakes first appeared in 1953 on the Jaguar C-Type racing car. These brakes helped the company to win the 1953 24 Hours of Le Mans,developed in the UK by Dunlop. That same year, the aluminum bodied Austin-Healey 100S, of which 50 were made, was the first car sold to the public to have disc brakes, fitted to all 4 wheels.

    Mass production

    The first mass production use of the modern disc brake was in 1955, on the Citroën DS, which featured caliper-type front disc brakes among its many innovations. These discs were mounted inboard near the transmission, and were powered by the vehicle's central hydraulic system. This model went on to sell 1.5 million units over 20 years with the same brake setup.

    The Jensen 541, with four-wheel disc brakes, followed in 1956.

    Disc brakes were most popular on sports cars when they were first introduced, since these vehicles are more demanding about brake performance. Discs have now become the more common form in most passenger vehicles, although many (particularly light weight vehicles) use drum brakes on the rear wheels to keep costs and weight down as well as to simplify the provisions for a parking brake. As the front brakes perform most of the braking effort, this can be a reasonable compromise.

    Many early implementations for automobiles located the brakes on the inboard side of the driveshaft, near the differential, while most brakes today are located inside the wheels. An inboard location reduces the unsprung weight and eliminates a source of heat transfer to the tires.

    Historically, brake discs were manufactured throughout the world with a strong concentration in Europe and America. Between 1989 and 2005, manufacturing of brake discs migrated predominantly to China.

    2016-09-27 23:56:04
    主站蜘蛛池模板: 欧美一级久久精品| 精品国产精品亚洲一本大道| 高清欧美精品xxxxx在线看| 欧美性受xxxx狂喷水| 日韩欧美亚洲视频| 国产真裸无庶纶乱视频| 国产麻豆一区二区| 精品国产一级| 免费观看xxxx9999片| 久久久久久国产精品免费| 国产精品久久久久久久久久久久冷| 精品少妇一区二区三区| 中文字幕欧美一区二区三区 | 96国产精品| 亚洲欧美制服丝腿| 亚洲乱码一区二区| 国产精品久久久区三区天天噜| 狠狠色成色综合网| 娇妻被又大又粗又长又硬好爽| 国产精品偷伦一区二区| 日本高清一二三区| 久久九九亚洲| 99精品区| 精品久久一区| 午夜影院一级片| 精品福利一区二区| 欧美中文字幕一区二区| 日韩三区三区一区区欧69国产| 久久久久久久亚洲国产精品87| 久久精视频| 欧美中文字幕一区二区三区| 狠狠色丁香久久综合频道日韩| 91久久国产露脸精品国产| 国产69精品99久久久久久宅男| 国产精品久久久综合久尹人久久9| 国产丝袜在线精品丝袜91| 国产区图片区一区二区三区| 国产在线欧美在线| 中文文精品字幕一区二区| 国产欧美一区二区在线 | 欧美精品日韩一区| 香港三日本三级三级三级| 免费看欧美中韩毛片影院| 国产91在线拍偷自揄拍| 日韩亚洲国产精品| 激情久久精品| 午夜毛片在线观看| 国产精品久久久久久久久久嫩草| 欧美精品久久一区| 97视频一区| 午夜影院91| 强制中出し~大桥未久10| 久久午夜精品福利一区二区 | 韩国视频一区二区| 中文字幕在线播放一区| 久久精品亚洲一区二区三区画质| 国产乱子一区二区| 亚洲国产一区二区久久久777| 欧美性xxxxx极品少妇| 国产日韩欧美综合在线| 国产精品视频久久久久久| 996久久国产精品线观看| 99国产精品丝袜久久久久久| 亚洲欧美日韩三区| 制服丝袜二区| 午夜色影院| 日本美女视频一区二区三区| 真实的国产乱xxxx在线91| 国产伦理精品一区二区三区观看体验| 狠狠色丁香久久综合频道| 国产精品久久久久久久综合| 91久久综合亚洲鲁鲁五月天| 午夜一级免费电影| 美国三级日本三级久久99| 国产乱码精品一区二区三区中文| 午夜电影院理论片做爰| 一区二区午夜| 国产乱老一区视频| 99精品国产99久久久久久97| 日本精品视频一区二区三区| 国产精品日产欧美久久久久| 女女百合互慰av| 天干天干天干夜夜爽av| 亚洲精品国产一区| 91黄在线看 | 精品国产一区二区三区忘忧草| 日本丰满岳妇伦3在线观看| 国产一级精品在线观看| 97人人模人人爽视频一区二区 | 欧美精品在线不卡| 国产欧美日韩va另类在线播放| 日韩av片无码一区二区不卡电影| 美女啪啪网站又黄又免费| 热久久一区二区| 久久精品一| 亚洲欧洲日本在线观看| 福利电影一区二区三区| 国产日韩欧美综合在线| 欧美在线观看视频一区二区三区 | 欧美一区视频观看| av素人在线| 久久精品色欧美aⅴ一区二区| 免费毛片**| 亚洲乱码一区二区| 精品香蕉一区二区三区| 国语精品一区| 国产一区免费在线| 国产午夜精品一区二区三区欧美| 美国一级片免费观看| 首页亚洲欧美制服丝腿| 国产人成看黄久久久久久久久| 免费午夜片| 性精品18videosex欧美| 国产精自产拍久久久久久蜜 | 国产一区精品在线观看 | 日韩av不卡一区| 久久久久国产亚洲| 国产精品一二三四五区| 一区二区中文字幕在线观看| 狠狠色综合欧美激情| 午夜少妇性影院免费观看| 日韩精品中文字幕一区二区三区 | 亚洲欧美国产一区二区三区| 99日韩精品视频| 久久国产精品免费视频| 国内久久精品视频| 国产97免费视频| 国产精品久久久久久一区二区三区| 97午夜视频| 亚洲国产欧洲综合997久久,| 91精品综合在线观看| 欧美激情在线免费| 日韩一区二区三区福利视频| 国内久久精品视频| 精品国产一区二区三区忘忧草| 日韩中文字幕在线一区二区| 综合欧美一区二区三区| 日本高清二区| 国产videosfree性另类| 日韩美一区二区三区| 国产99视频精品免费视频7| 97久久国产亚洲精品超碰热| 亚洲理论影院| 一区二区午夜| 久久国产欧美一区二区三区免费| 躁躁躁日日躁网站| 狠狠色噜噜狠狠狠狠69| 激情久久一区二区三区| 久久一级精品| 国产足控福利视频一区| 国产乱人伦精品一区二区三区| 久久精品国产一区二区三区| 国产区91| 野花国产精品入口| 欧美一区二区三区四区夜夜大片| 在线国产精品一区二区| 日韩a一级欧美一级在线播放| 久草精品一区| 亚洲国产欧美一区二区三区丁香婷| 国产欧美日韩精品一区二区三区| 国产在线一卡二卡| 精品国产一区在线| 在线视频国产一区二区| 国产欧美性| 久久久久久久国产| 性刺激久久久久久久久九色| 91婷婷精品国产综合久久| 日韩精品免费一区二区三区| 色婷婷精品久久二区二区蜜臂av| 久久久精品a| 99国产精品久久久久| 久久密av| 91精品www| 国产视频精品一区二区三区| 午夜国内精品a一区二区桃色| 欧美乱大交xxxxx古装| 亚洲欧美制服丝腿| 狠狠插狠狠干| 国产精品国产三级国产专区52 | 玖玖精品国产| 国产视频一区二区在线播放| 日韩av在线一区| 久久综合伊人77777麻豆| 午夜国产一区| 日日噜噜夜夜狠狠| 欧美一区二区三区日本| 国产真实一区二区三区| 欧美67sexhd| 国产日韩欧美在线影视| 国产无套精品一区二区| 九一国产精品| 国产91久久久久久久免费| 国产一区免费在线| 99精品国产99久久久久久97| 一本久久精品一区二区| 午夜伦理片在线观看| 国产999精品视频| 欧美激情国产一区| 国产午夜精品免费一区二区三区视频| 99久久精品国产系列| 91精品国产91热久久久做人人| 欧美午夜精品一区二区三区| 欧美精品第1页| www色视频岛国| 麻豆精品一区二区三区在线观看| 公乱妇hd在线播放bd| 夜夜躁人人爽天天天天大学生 | 天摸夜夜添久久精品亚洲人成| 国产精品乱码久久久久久久久| 午夜毛片在线看| 国产毛片精品一区二区| 欧美精品粉嫩高潮一区二区| 精品一区在线观看视频| 亚洲国产精品国自产拍久久| 国产日韩欧美中文字幕| 中日韩欧美一级毛片| 亚洲精品卡一| 国产在线干| 久久久久国产一区二区三区不卡| 日韩欧美高清一区二区| 久久精品国产99| 午夜av在线电影| 久久免费精品国产| 亚洲国产视频一区二区三区| 国产日韩欧美中文字幕| 精品国产一区二| 欧美日韩精品中文字幕| 国产精品中文字幕一区| 7777久久久国产精品| 国产精品刺激对白麻豆99| 国产日韩一区二区三免费| 久久久精品免费看| 日韩午夜一区| 丰满岳乱妇bd在线观看k8 | 国产精品视频久久久久久| 91久久国产露脸精品国产| 亚洲精品国产精品国自| 日韩精品在线一区二区三区| 欧美777精品久久久久网| 99久久国产综合精品尤物酒店| 日本美女视频一区二区三区| 日韩精品一区在线视频| 综合国产一区| 少妇高潮大叫喷水| 福利视频亚洲一区| 手机看片国产一区|