Questions tagged [vehicle-dynamics]

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Why doesn't the vehicle move from stop in higher gears?

I know how to drive and also that you have to be in 1st (lower the better) gear to move the vehicle from a full stop, but why is that? If higher gears mean faster wheel rotation why doesn't the ...
0
votes
3answers
214 views

Why are hatchbacks and SUVs' rear window vertical, relative to sedans' at around 45°?

I noticed this angular difference while reading these Quora and Reddit posts about why sedans don't have rear wipers, as the aerodynamic reason fails to remove precipitation as efficaciously as ...
0
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1answer
1k views

why there is oil in intake manifold of my demio zj engine?

Why is there oil in the intake manifold of my demio engine zj? I have checked the valve seals are ok and piston rings also ok .
2
votes
1answer
2k views

Mixing crossply and radial tyres but not on the same axle

We all know that mixing crossply and radial tyres is a bad idea. There are very few crossplys on the market now and no need to fit them. But those of us of a certain age are forever scarred by the ...
6
votes
2answers
2k views

Why do vehicles handle better with heavy loads? [closed]

Inspired by comments here: I'm not the only one who has experienced an improvement in ride and road-feel with a heavily-laden vehicle. I'm recalling a long drive I made a decade ago in my otherwise ...
10
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2answers
4k views

Horsepower at wheels calculation

I have used Torque Pro App for sometime in my Hyundai i10 Era (2011 model) and it gives me Horsepower at wheels. But the values seems to be much less. To find out the problem, I logged the car OBD ...