Questions tagged [vehicle-dynamics]
8 questions
10
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2 answers
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 speed using Torque Pro app, calculated the Hp at…
Soumya Sen
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6
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2 answers
Why do vehicles handle better with heavy loads?
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 crappy 1995 Mitsubishi Galant with nearly half a…
feetwet
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2
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1 answer
What are the benefits of lowering a vehicle for racing
Lowering a vehicle affects many aspects related to suspension geometry and aerodynamics. I am trying to understand these phenomena better. Note that although my question sounds like an opinion, it's not really my intent. I just wanted to describe…
2
votes
1 answer
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 public information films of their youth visualising…
Dan
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1
vote
4 answers
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 vehicle move from a full stop in other higher gears?…
Bej
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0
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1 answer
Adding a "door open" alarm when handbrake is on?
Old ute owner here, retrofitting some locked cabinets to my rear tray and was hoping to fit some sort of alarm when the door is open on the tray. Got myself a cheap 12V alarm beeper and a relay, my thinking is that if my tray doors are left open, I…
user461193
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0
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3 answers
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 wipersn.
Wouldn't a 45° rear window be better for…
user43484
0
votes
1 answer
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 .
