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: 最新国产精品自拍| 国产一区二区三区四| 国产精品白浆一区二区| 狠狠色狠狠色合久久伊人| 久久69视频| 国产色午夜婷婷一区二区三区| 国产91丝袜在线| 狠狠色丁香久久综合频道| 亚洲伊人久久影院| 99久久婷婷国产亚洲终合精品| 一区二区三区欧美视频| 精品a在线| 国产福利精品一区| 午夜一区二区三区在线观看| av国产精品毛片一区二区小说| 999久久国精品免费观看网站| 欧美精品五区| www色视频岛国| 欧美一区二区三区国产精品| 88888888国产一区二区| 日韩精品一区二区三区免费观看视频| 午夜影院啪啪| 精品中文久久| 婷婷午夜影院| 国产精品日韩在线观看| 中文字幕一区二区三区免费视频| 国产一级大片| 性视频一区二区三区| 欧美一级免费在线视频| 亚洲欧美v国产一区二区| 国产精品视频1区| 少妇特黄v一区二区三区图片| 久久国产精品久久| 久久国产麻豆| 爱看av在线入口| 麻豆国产一区二区三区 | 日韩精品免费一区二区在线观看| 国产视频一区二区三区四区| 性夜影院在线观看| 神马久久av| 亚洲一区二区国产精品| 国产区精品区| 一区二区三区欧美在线| 国产精品一区二| 国产日产欧美一区二区| 欧美精品在线视频观看| 99精品国产一区二区三区麻豆| 国产精品高潮在线| 日本午夜精品一区二区三区| 国产精品免费不卡| 性欧美一区二区三区| 国偷自产一区二区三区在线观看| 妖精视频一区二区三区| 欧美日韩一区视频| 91免费看国产| 狠狠色综合久久丁香婷婷 | 日韩欧美国产另类| 日韩久久精品一区二区三区| 中文字幕一区2区3区| 国产1区2| 99欧美精品| 美女脱免费看直播| 欧美一区二区三区免费看| 国产欧美日韩中文字幕| 好吊妞国产欧美日韩免费观看网站| freexxxxxxx| 国产在线播放一区二区| 亚洲精品久久久久玩吗| 国产中文字幕一区二区三区 | 午夜影院啪啪| 久久午夜鲁丝片午夜精品| 亚洲欧洲日韩| 97精品国产aⅴ7777| 午夜免费av电影| 欧美一区亚洲一区| 亚洲久久在线| 国产一区日韩一区| 日韩精品免费一区二区在线观看| 亚洲国产偷| 亚欧精品在线观看| 日本一二区视频| 日本福利一区二区| 国产区二区| 国产欧美一区二区三区免费| 国产91久久久久久久免费| 精品视频在线一区二区三区| 午夜剧场a级片| 午夜叫声理论片人人影院| 亚洲精品日本无v一区| 99爱国产精品| 欧美精品五区| 亚洲精品国产久| 午夜av影视| 一区二区欧美视频| 99精品视频一区| 99精品一区| 国产在线精品一区二区| 538在线一区二区精品国产| 国产资源一区二区| 91超薄丝袜肉丝一区二区| 国产极品美女高潮无套久久久| 国产精品美女一区二区视频| 狠狠色狠狠色88综合日日91| 欧美一区二区三区久久精品视 | 欧美日韩一区二区三区在线观看视频| 91精品啪在线观看国产手机| 国产91电影在线观看| 国产精品尤物麻豆一区二区三区| 男人的天堂一区二区| 狠狠色丁香久久婷婷综| 国产一级片大全| 特级免费黄色片| 亚洲欧美国产精品久久| 午夜伦理片在线观看| 国产一区亚洲一区| 97国产精品久久久| 国产精品一二二区| 996久久国产精品线观看| 97视频精品一二区ai换脸| 久久精品综合视频| 国产精品久久久久激情影院| 欧美精品久久一区二区| 国产伦精品一区二| 亚洲精品国产setv| 福利视频亚洲一区| 国产日韩欧美中文字幕| 精品视频久| 国产一区二区高潮| 午夜一区二区视频| www.久久精品视频| 日韩精品1区2区3区| 99re热精品视频国产免费| 处破大全欧美破苞二十三| 亚洲精品乱码久久久久久麻豆不卡| 91性高湖久久久久久久久_久久99| 国产美女三级无套内谢| 国产乱人激情h在线观看| 亚洲四区在线观看| 国产日韩精品一区二区三区| 国产一区=区| 久久久久亚洲精品| 国产精品69久久久| 国产无遮挡又黄又爽又色视频| 欧美日韩精品在线播放| 国产激情二区| 欧美极品少妇videossex| 亚洲欧美国产日韩综合| 国产麻豆精品久久| 99精品少妇| 国产一区在线免费| 国产一区在线免费| 国产精品久久久不卡| 国产69精品久久久| 久久99精品国产麻豆宅宅| 91久久精品国产亚洲a∨麻豆| 久久激情综合网| 精品久久久久久亚洲综合网 | 欧美日韩一区二区高清| 国产精品一区二区久久乐夜夜嗨| 国产乱对白刺激视频在线观看| 中文乱码字幕永久永久电影| 日韩精品中文字| 91精品啪在线观看国产线免费| 国产1区2区3区中文字幕| 北条麻妃久久99精品| 日韩国产不卡| 国产一区二区三区的电影| 国产日韩欧美不卡| 国产性猛交| 免费**毛片| 国产日韩欧美一区二区在线播放| 欧美一区久久久| 国产午夜精品一区二区三区视频| 国产欧美一区二区在线| 国产在线一二区| 国产二区精品视频| 亚洲欧美v国产一区二区| 日韩av在线影视| 国产精品视频一区二区二| 欧美日本三级少妇三级久久| 国产精品久久久久久久久久软件| 亚洲乱码av一区二区三区中文在线:| 人人玩人人添人人澡97| 欧美国产一区二区在线| 991本久久精品久久久久| 日韩午夜电影院| 窝窝午夜精品一区二区| 国语对白一区二区| 91社区国产高清| 国产在线精品区| 国v精品久久久网| 国产一区二区片| 国产不卡一二三区| 国产偷窥片| 国产videosfree性另类| 国产剧情在线观看一区二区| 蜜臀久久99精品久久久| 九九视频69精品视频秋欲浓| 制服丝袜亚洲一区| 国产在线精品二区| 日韩偷拍精品| 国产精品日韩三级| 欧美精品一卡二卡| 在线国产91| 色婷婷精品久久二区二区6| 538国产精品| 99re6国产露脸精品视频网站| 少妇高清精品毛片在线视频| 久久99精品久久久野外直播内容| 日韩a一级欧美一级在线播放| 精品福利一区| 日本高清一二区| 国产一区二区在线免费| 久久99精品国产麻豆婷婷洗澡| 国产精品尤物麻豆一区二区三区| 久久三级精品| 亚洲欧洲另类精品久久综合| 欧美髙清性xxxxhdvid| 97久久国产亚洲精品超碰热| 少妇久久精品一区二区夜夜嗨| 国产剧情在线观看一区二区| 中文字幕视频一区二区| 亚洲欧洲一区二区| 国产人澡人澡澡澡人碰视| 国内精品久久久久久久星辰影视| 国产精品麻豆一区二区| 99久久国产综合精品女不卡| 狠狠色综合久久丁香婷婷| 国产伦高清一区二区三区 | 国产精品美女www爽爽爽视频| 国产精品日韩电影| 国产91在| 欧美一区二区三区在线免费观看| 免费看性生活片| 综合欧美一区二区三区| 日本一区二区三区免费在线| 国产91白嫩清纯初高中在线| 88888888国产一区二区| 日韩av在线影院| 久久精品一区二区三区电影| 好吊妞国产欧美日韩免费观看网站| 亚洲欧洲一区| 日韩精品一区二区久久| 婷婷嫩草国产精品一区二区三区| 精品国产乱码久久久久久影片| 午夜色影院|