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文章阅读:Re: 换档的时候对速度要求很严格么 ?
[同主题阅读] [版面: 车轮上的传奇] [作者:particle] , 1999年08月10日13:43:12
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发信人: particle (HIGGS), 信区: Automobile
标  题: Re: 换档的时候对速度要求很严格么 ?
发信站: The unknown SPACE (Tue Aug 10 13:43:12 1999) WWW-POST

【 在 DingD (Slow driver) 的大作中提到: 】
: I don't think so.
: For my corolla, if I shift down to the 4th, I can feel pulled back

The reason is, you didn't press your gas pedal hard enough after
switch down gears.  Then your engine pick up speed by slowing down
your car.

: violently.   Well, passing at ~65, I just press gas pedal a little

I beleive for most cars, it is more efficient to accelerate at
4th gear UNDER THIS SPEED (~65m/h).  At even higher speed, 5th
gear might be more practical and efficient, say at 90m/h.

: bit more, and no passing faster than that, for me.
: 【 在 pie (阿罡) 的大作中提到: 】
:

I suppose the idea is, to accelerate fast one need to drive at
appropriate engine speed range, for most cars, it should be in
the range from 2500~3000rpm to 4500~5500rpm.  So switch gears
fast will almost definitly gives bad acceleration.

To protect the engine, one should always avoid applying heavy
load on it while it is at low speed, say below 1500rpm.  This
can explain why one need to switch down gears when climbing a
hill.

BTW, I noticed many people afraid of hearing the engine running
over 3000rpm.  Well, the noise is different, but when you get
used to it, you will find it sounds much better then low rotation
speed.

--
※ 来源:.The unknown SPACE bbs.mit.edu.[FROM: 192.65.184.131]

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