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: 欧美黑人巨大久久久精品一区| 亚洲精品少妇久久久久| 欧美日韩亚洲国产一区| 欧美精品国产精品| 99精品久久久久久久婷婷| 日韩av在线播| 亚洲精品国产精品国产| 欧美一区二区三区激情在线视频| 国产99久久久久久免费看| 欧美精品一区二区三区视频| 国产一区三区四区| 午夜电影天堂| 亚洲欧美另类久久久精品2019| 国产精品视频久久| 亚洲伊人久久影院| 91夜夜夜| 青苹果av| 精品综合久久久久| 国产精品1区二区| 国产一区二区电影| 91精品国模一区二区三区| 国产一区二区三区网站| 亚洲午夜国产一区99re久久| 国产视频一区二区三区四区| 91高跟紫色丝袜呻吟在线观看| 国产精选一区二区| 亚洲麻豆一区| 性刺激久久久久久久久九色| 国内久久精品视频| 免费欧美一级视频| 久久99精| 91精品视频在线观看免费| 日本黄页在线观看| 99精品免费在线视频| 国产一区观看| 久久免费福利视频| 欧美激情在线一区二区三区| 国产91精品一区| 欧美在线视频一二三区| 亚洲三区二区一区| 最新日韩一区| 国产精品电影一区二区三区| 91精品夜夜| 美女销魂免费一区二区| 午夜av影视| 中文字幕在线视频一区二区| 欧美一区二区三区黄| 午夜大片男女免费观看爽爽爽尤物| 午夜精品999| 最新国产精品自拍| 亚洲国产日韩综合久久精品 | 欧美激情在线免费| 国产91清纯白嫩初高中在线观看| 国产欧美精品一区二区三区小说| 国产午夜一级一片免费播放| 日本一区二区欧美| 一区二区精品在线| 国产精品美乳在线观看| 国产精品国产三级国产播12软件| 精品久久久影院| 欧美精品免费看| 日韩av三区| 91看片app| 亚洲区日韩| 日本午夜精品一区二区三区| 亚洲精品一区在线| 97久久国产精品| 欧美日韩国产免费观看| 欧美精品国产一区| 亚洲日韩aⅴ在线视频| 精品国产乱码久久久久久老虎| 亚洲国产欧美国产综合一区| 性精品18videosex欧美| 狠狠色成色综合网| 亚洲福利视频一区| 国产精品久久久久久久久久久久久久不卡 | 久久免费精品国产| 国产一级片网站| 午夜色大片| 国产一级大片| 国产精品高潮在线| 国产精品久久久久久久久久不蜜月| 国产精品无码专区在线观看| 一区二区三区欧美日韩| 亚洲影院久久| 扒丝袜网www午夜一区二区三区| 久久国产精品精品国产| 91精品免费观看| 激情久久一区| 欧美日韩精品在线一区二区| 欧美精品免费视频| 国产精品一区二区免费视频| 欧美在线视频二区| 日韩欧美高清一区二区 | 国产午夜亚洲精品羞羞网站| 久久久久亚洲国产精品| 麻豆精品国产入口| 91一区二区三区视频| 国产精品黑色丝袜的老师| 色婷婷精品久久二区二区我来| 毛片免费看看| 亚洲精品国产久| 欧美日韩九区| 中文字幕一区二区在线播放| 丝袜脚交一区二区| 一区二区欧美视频| 国模吧一区二区| 国产日韩欧美网站| 精品国产区一区二| 国产丝袜一区二区三区免费视频 | 国产精品一二三区免费| 99久久免费精品视频| 久久精品综合| 国产一区二区日韩| 国产天堂第一区| 色一情一乱一乱一区免费网站 | 中文无码热在线视频| 欧美亚洲国产日韩| 色噜噜日韩精品欧美一区二区| 国产欧美一区二区三区免费| 老太脱裤子让老头玩xxxxx | 一区二区久久久久| 国产女人与拘做受免费视频| 欧美激情在线观看一区| 久久97国产| 亚洲国产精品入口| 满春阁精品av在线导航| 强制中出し~大桥未久在线播放 | 久久久久亚洲精品视频| 欧美一区二区三区在线免费观看 | 亚洲欧美一区二区精品久久久| 午夜天堂电影| 日本一区二区三区免费在线| 色噜噜日韩精品欧美一区二区| 久久久久国产精品视频| 日本丰满岳妇伦3在线观看| 色噜噜日韩精品欧美一区二区| 国产麻豆一区二区| 亚洲一区二区三区加勒比| 大bbw大bbw巨大bbb| 国产精品一区二区人人爽| 国产区一区| 国产剧情在线观看一区二区| 国产精品久久久区三区天天噜| 亚洲无人区码一码二码三码| 国产一区www| 国产一区二区精品免费| 国产精品99一区二区三区| 玖玖国产精品视频| 日本高清二区| 国产欧美精品一区二区三区-老狼| 日韩精品免费一区| 91精品国产综合久久国产大片 | 久久夜靖品2区| 7799国产精品久久99| 亚洲精品日韩激情欧美| 亚洲欧洲国产伦综合| 亚洲精品日韩色噜噜久久五月| 高清在线一区二区| 一区二区三区国产精品视频| 国产精品国产三级国产专区55 | 日韩午夜一区| 99久久免费毛片基地| 一区二区91| 中文乱码字幕永久永久电影| 97久久国产亚洲精品超碰热| 午夜一区二区三区在线观看| 日韩久久精品一区二区三区| 在线精品一区二区| 国产激情视频一区二区| 玖玖国产精品视频| 一区二区精品久久| xxxx18hd护士hd护士| 久久夜靖品2区| 国产精品视频十区| 亚洲精品日本久久一区二区三区| 欧美一区二粉嫩精品国产一线天 | 最新国产一区二区| 国产91在| 国产一区二区高潮| 性生交大片免费看潘金莲| 国产精品女人精品久久久天天| 中文字幕在线乱码不卡二区区| 国产精品麻豆99久久久久久| 性少妇freesexvideos高清bbw| 99精品区| 激情久久影院| 日本精品一二三区| 午夜一级电影| 日韩欧美多p乱免费视频| 国产精品久久久视频| 蜜臀久久99精品久久久| 国产视频精品久久| 日韩av在线资源| 欧美日韩国产在线一区二区三区| 性欧美一区二区| 狠狠色丁香久久婷婷综| 国产真实一区二区三区| 日韩av中文字幕在线免费观看| 丰满岳乱妇在线观看中字| 99爱精品视频| 免费看性生活片| 久久激情综合网| 欧美一级免费在线视频| xoxoxo亚洲国产精品| 日韩欧美国产精品一区| 性色av色香蕉一区二区| 99re6国产露脸精品视频网站| 国产精品美女一区二区视频| 欧美激情片一区二区| 国产精品免费观看国产网曝瓜| 亚日韩精品| 国产伦精品一区二区三区免费观看| 日本中文字幕一区| 欧美高清视频一区二区三区| 99国产精品| 欧美精品第1页| 一区二区在线视频免费观看| 国产精品免费观看国产网曝瓜| 久爱视频精品| 欧美精品五区| 日本一二三区视频在线| 久久天堂国产香蕉三区| 久久一二区| 99久久www免费| 日韩av一区二区在线播放| 亚洲视频h| 中文丰满岳乱妇在线观看| 国产精品乱综合在线| 正在播放国产一区二区| 欧美在线视频精品| 日本高清二区| 精品久久久综合| 国产精品96久久久久久久| 国产网站一区二区| 中文字幕一区二区三区四| 爽妇色啪网| 日本一区午夜艳熟免费| 黄毛片免费| 久久久综合亚洲91久久98| 浪潮av网站| 欧美一级久久精品| 午夜一级电影| 91麻豆国产自产在线观看hd | 久久er精品视频| 国产精品一区在线播放|