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 proper technique to stop a manual car, free gear,stop or clutch,brake,free gear

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emechelmi
post Sep 26 2006, 11:45 AM

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QUOTE(don^don @ Sep 26 2006, 09:59 AM)

When traffic jam, here's what i do:
-step on brake
-step on clutch
-when wanna move, shift to lower gear(*probably 1st gear), release brake, lighten up ur clutch, and ur car wil move a lil`.
-when the car in front of u slow down again/stop, press ur clutch down again, and step on ur brake again.

in this way, u don hav to apply ur pedal, thus u don havta waste alot of fuel in traffic jam, but ur car will be moving very slowly.
*
but my car weighs almost 1.5ton. So I have to apply a little gas in order to move the car from standstill. your statement might be true for a lightweight supermini car like Kancil. When I was in driving school, I did the same too with driving school's Kancil and 120Y. Their idle rpm is tuned a little bit high to avoid stalling (usually occurred when newbie trainees don't know how to play with clutch).
emechelmi
post Sep 26 2006, 03:58 PM

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QUOTE
a lorry? 


it's still a car. A '74 volvo 144 to be exact. kerb weight already 1300kg.

QUOTE
but i supposed if its that heavy, it should be running on a v10 or v12

it's running on a 2L 4 cyl engine with single carb. Idle rpm normally set at 700-900rpm but peak torque only comes at 3000 rpm. Peak HP is only 97HP at 5700 rpm.

the transmission gear ratios are designed to enable highway cruising/overtaking without having to change gear quite often (4 speed), not to crawl in traffic jams (late 60's automotive engineering philosophy). with such gear ratio and idle rpm, i need to step a little gas. the plus point is, i don't need to press more than half of pedal travel at highway speed.

 

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