It was established by Arthur and Walter's Dabiddoson brother and William Sylvester Harleys in 1903.
The motorcycle manufacturer in the United States existed in the past and time only of one
company of Harley Davidson existed, too.
An actual pronunciation is near "Hurley Davissn" though an official name in Japan is "Harley
Davidson".
Feature
The feature of the maximum motorcycle made by the Harley Davidson company is a peculiar pulse feeling, externals that large displacement air cooling OHV and V type twin engine bring, and has a lot of charm fans in this. The drive is a belt drive that is converted the crank movement into the belt by the chain in a primary case and told the rear wheel. Most of the category that is called "American" of the domestic production manufacturer is OHC, V type twin engine, and the style that mimics features other than the drive. Blustan CEO of an American headquarters and chairman shows the idea, "Aim at the Harley that everyone can get on from a high-level Harley to a popular Harley" in 2001.
The shift started, twin cam 88B(balancer) was piled up from evolution 1340cc to present engine and twin cam 88.1450cc by the Softal system in 2000 in 1999, and those engines were improved to 1584cc in the boa in 2007(stroke). It is appearance of twin cam 96(cubic inch). The agreement of exhaust emissions regulations became a problem along with the large exhaust. The catalyst technology is introduced into the muffler in 2001, and all models to whom a new car is sold are made an injection in 2007. However, because the feeling etc. of the engine are different along with make to the injection from the one of a past carburetor specification (A peculiar feeling heavy to the cab was canceled), the deep-rooted popularitys are collected in the model of the cab specification. A present system is completed very much and has finished very much high about reliability though keeps sending the fuel even if the distortion occurs in the piston for the injection in 2003, and is reported on the case where Baspakkin of the cylinder mount is burnt.
Moreover, the motorcycle equipped with the first, water-cooled DOHC V twin engine (Revolution engine) was born ..this company in 2002.., too. (Refer to the page of VRSC for details. )
The model where the profit cannot be taken by the competition with the motorcycle manufacturer in Japan reduces the scale as abolition etc. , and the designed model ..straightening now "Run in the long distance with the United States freeway".. is centered though a small scooter etc. also were manufacturing the Harley company before. Therefore, the ability cannot be demonstrated in the mountainous district and the circuit. It was used in the United States for the police traffic management (Recently, a foreign car such as Kawasaki and BMWs is used).
The home manufacturer was acquired in the inside and 2001 when the entire two-wheel market reduced and the large-sized car share head position of more suppression 750cc was acquired in a Japanese market. It is assumed to two person in the expressway getting on opening of an automatic two-wheeled vehicle by the Road Traffic Law revision in the license acquisition system establishment in the car driving school by the large-scale automatic operation two-wheeled vehicle license foundation in 1996 and 2005 that a foreign manufacturer such as Harleys demanded in the background strong.
The Harley was a vehicle that enjoyed the sound and the pulse. Environmental protection..viewpoint..twin..cam..balanc er..engine..appearance..catalyst..techno logy..introduction..sound..pulse..model. .suppress.
The installation of an illegal muffler was controlled voluntarily by the notice of Harley Davidson Japan that was the sole agency by Japan in around 2003. The agreement of the installation self-imposed control of an illegal muffler was made also between the agency and the sales network in each administrative divisions. This is a meaning that prevents differences from being in the shop that installs it and the shop that doesn't obtain the defense of the notice in numbers of sales.
ohc ohv 在 [閒聊] 國產檔車引擎(OHV與OHC) - 精華區biker - 批踢踢實業坊 的推薦與評價
要了解OHV跟OHC是什麼?
先從字面上的意思來說:OHC為頂置凸輪軸Over-Head-Camshaft的簡寫
可分DOHC及SOHC兩種，D代表Double，即雙凸輪軸，別名Twin Cam
S代表Single，單一凸輪軸，通常如無特別說明即為SOHC。
OHV即頂置汽門(閥)Over-Head-Valve 。
Over-Head有些人的解釋是越過燃燒室。
相信大家看了一堆名詞解釋應該搞不太清楚
來個簡單的DOHC剖面圖https://0rz.tw/cc34X
在這個圖中可以看到有2根東西呈類似V狀，在V的頂端水滴狀的東西就是凸輪軸，
，即頂置凸輪軸最下面各有一個汽門。
https://www.samarins.com/glossary/dohc.html配圖一起看
OHV，在汽缸側的凸輪軸，透過直立推桿(Push rod)，
把搖臂往上推(Rocker arm)，該搖臂像翹翹板般向下將汽門打開。
缺點--主要為推桿，因推桿較長。引擎受熱後，產生熱膨脹，因此推桿和搖臂
之間需留有推桿間隙，否則凸輪未達作用點就把汽門向下壓，造成漏氣獲汽門燒毀。
且推桿間隙會引起噪音，長期間隙會變大必須調整。
OHC系統是把凸輪軸設計在燃燒室上方，優點--
1.不具有推桿
2.搖臂直接和凸輪接觸
但凸輪軸與曲軸(Crankshaft)距離較長，必須用鏈條或皮帶連結，在高轉時
會產生震動。
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懶的打太多，大概就先降好了，大家也比較好消化。
另外好不容易找到動畫真的做的蠻淺顯易懂的啊!
之後再來聊聊一些比較細部的東西跟國產幾台檔車的引擎
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※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 218.164.58.68
※ 編輯: davied 來自: 218.164.58.68 (09/13 11:55)
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