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標題: 其實"牙差"同"珠差"有咩好處同壞處 ? [打印本頁]

作者: ckdavid 時間: 2010-5-11 23:15
標題: 其實"牙差"同"珠差"有咩好處同壞處 ?
本帖最後由 ckdavid 於 2010-5-11 23:16 編輯

其實用法一樣 , 但點解近"牙差"會好過"珠差"?

作者: 泉 時間: 2010-5-11 23:53
牙差好力, 損耗少
珠差輕d, 易調較

作者: kkchung 時間: 2010-5-12 00:39
早期油車從齒差改用走珠差速只是為了可方便調節差速器鬆緊度。在使用上會於起動時(大動力)會有些滑動，令車子容易控制些。但雖要較細心的設定和保養才能發揮。後期世界賽裡電車也開始用上多了，便成了電車比賽主要用品。

而齒差種類其實也分多種，有一些也可利用簡單控制壓片鬆緊摩擦產生阻尼等等來設定鬆緊度。也有些齒差在一定向心力下，用全機械方法來做成Lock成直軸。但這些現在也不再看到使用。現在一般齒差也只是用四至五敉傘齒或全直齒差速器多，鬆緊度雖要換上不同的阻尼度油去控制。

現在甪回齒差是因為動力大，輪呔性能和地面也能接受、發揮這些動力。為了減去走珠差速大動力起動時的自身打滑而浪費了加速力，所以便用回不會自身打滑的齒差較有效。

作者: lui222k 時間: 2010-5-12 10:34

早期油車從齒差改用走珠差速只是為了可方便調節差速器鬆緊度。在使用上會於起動時(大動力)會有些滑動，令車 ...
kkchung 發表於 12/5/2010 00:39

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原來如此!!
多謝師兄指教

作者: nel3838 時間: 2010-5-12 10:51
Interesting history . . .. . world go round and round . . . .

One other thing is that with gear diff:-
- if no high density oil/diff grease, power on the contact wheel (typically outside) drops on fast corner which affects turn out.
- if diff gear is plastic, they can break easily if there is no slipper clutch
Ball diffs dont have this problem.

With ball diff:-
- the pressure/pull between two wheels is easily adjustable. Wherease with gear diff, its depends on the thinkness of the diff grease (high dense diff grease give higher/tighter pull), but it is not easily adjustable as you need to change diff grease (like with damper shocks)

Preference is still ball diffs particularly for setting up with different tracks conditions. Besides the issue with power slip can be reduced these days electronically in the esc.

Just my thoughts. . .. .

作者: cold 時間: 2010-5-12 11:00
非常詳細,THANＫ　ＹＯＵ
記得好多年前買過Q嫂既　ＬＳＤ　（限滑差速),好貴仲好快壞,不過架車就真係定D...

作者: 清清 時間: 2010-5-12 11:14

早期油車從齒差改用走珠差速只是為了可方便調節差速器鬆緊度。在使用上會於起動時(大動力)會有些滑動，令車 ...
kkchung 發表於 2010-5-12 00:39

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非常詳細

作者: f-16 時間: 2010-5-12 13:25
本帖最後由 f-16 於 2010-5-12 13:31 編輯

非常詳細

作者: albylee 時間: 2010-5-12 19:04
ching真勁知識廣博

作者: jefffff 時間: 2010-5-12 21:27
知識廣博 !!!!!

作者: RCMan_2006 時間: 2010-5-12 21:29

早期油車從齒差改用走珠差速只是為了可方便調節差速器鬆緊度。在使用上會於起動時(大動力)會有些滑動，令車 ...
kkchung 發表於 2010-5-12 00:39

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當年, Asso RC300 就係第一個用左限滑齒差, 就咁攞左世界冠軍, ...... 限滑齒差同真賽車用 Power Lock Design concept 一樣, 令賽車向彎不會失速 & loss power.

作者: ckdavid 時間: 2010-5-12 21:40
THZ ALL

作者: gimsink 時間: 2010-5-12 22:07
Years ago, car kit com with gear diff, all ching will pay extra money to upgrade to ball diff.
Now, car kit come with ball diff, all ching will pay extra money to upgrade to gear diff.
Haha....

作者: lui222k 時間: 2010-5-13 01:42

Years ago, car kit com with gear diff, all ching will pay extra money to upgrade to ball diff.
Now, ...
gimsink 發表於 12/5/2010 22:07

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Yeap!!
I very agree with u!!
haahahahhaha...........

作者: ryancmlam 時間: 2010-5-14 12:10

Years ago, car kit com with gear diff, all ching will pay extra money to upgrade to ball diff.
Now, ...
gimsink 發表於 2010-5-12 22:07

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Agreed. In 80's, a lot of buggy came with front one way instead of ball diff to reduce the salling price. A lot of players updated it to ball diff. Nowadays, people upgrade the front ball diff to one way or stud

作者: gimsink 時間: 2010-5-14 13:27
world is round !

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