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Author could u roll over a car?
Robin
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Registered: 7th Jan 04
Location: Northants Drives: Clio 182 Cup
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12th Oct 06 at 15:57   View Garage View User's Profile U2U Member Reply With Quote
KIFF, the pivot point on a wheelbarrow is nothing like what it would be with a car. a wheelbarrow is designed to pivot infront of the weight, a car has weight over the wheels.

if anyone wants to try it, come to my house, take the engine out of the mini, and prove me wrong
KIFF
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12th Oct 06 at 16:03   View User's Profile U2U Member Reply With Quote
Robin

obviously the wheelbrough, wasnt the perfect example, i was just trying to point out the car would be lifted using a pivot point and that it wouldnt be require the same force as lifting the entire car
Robin
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Registered: 7th Jan 04
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12th Oct 06 at 16:04   View Garage View User's Profile U2U Member Reply With Quote
yeah I understand that, but I still think it would be considerably harder then most people seem to think.

edit - I used to go banger racing with a mate, and if anything broke underneath, we'd roll the car onto its side (no interior, no windows, no lights, only the engine and a carb under the bonnet) it would take 4 of us, and that was a Sierra, which would weigh less than an average car these days.

[Edited on 12-10-2006 by Robin]
KIFF
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12th Oct 06 at 16:07   View User's Profile U2U Member Reply With Quote
if any one has the info on the weight of a corsa with/without and engine and the width of the car, i can work it out
tooolbox timmy
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12th Oct 06 at 16:11   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by skell
Nobody said bench press a mini You dont have to lift the whole thing clear off the floor to roll it.


now bench pressing a mini that would be something special
Robin
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12th Oct 06 at 16:12   View Garage View User's Profile U2U Member Reply With Quote
1029kg with the engine, so 875kg without

width (inc mirrors) is 1608mm, so the track width is about 1450mm
KIFF
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12th Oct 06 at 16:21   View User's Profile U2U Member Reply With Quote
a force equal to 437.5 kg which is half the weight of the car
Robin
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12th Oct 06 at 16:22   View Garage View User's Profile U2U Member Reply With Quote
so you'd be lifting 437kg, with a corsa 1.6 with no engine?

no chance.
Robin
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12th Oct 06 at 16:26   View Garage View User's Profile U2U Member Reply With Quote
what about 500kg, over 1400mm?
KIFF
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12th Oct 06 at 16:27   View User's Profile U2U Member Reply With Quote
if you used a 7.5 meter long pole you could roll it using 50 kg of force
KIFF
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12th Oct 06 at 16:29   View User's Profile U2U Member Reply With Quote
500kg over 1400mm requires 250 kg
Robin
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12th Oct 06 at 16:30   View Garage View User's Profile U2U Member Reply With Quote
hmmm. it seems that any combination of weight and distance needs half the weight
BabyBlade
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12th Oct 06 at 16:34   View User's Profile U2U Member Reply With Quote
Rekon a strong person could as said your not actually lifting the whole car

a rolled my fiesta with an engine in probably not quite the same senario though
KIFF
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12th Oct 06 at 16:35   View User's Profile U2U Member Reply With Quote
thats because the assumption is made that the center of gravity of the car is half the length of the axel, and you are lifting from one side of the car and the pivot point is the other side of the car.

so no matter what the width of the car the weight is modeled to act from the center. And the force is applied at twice this distance, so the force is half the weight
Nismo
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12th Oct 06 at 16:45   View User's Profile U2U Member Reply With Quote
A mate of mine rolled an AX over onto its side with the engine in it
Robin
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Registered: 7th Jan 04
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12th Oct 06 at 16:45   View Garage View User's Profile U2U Member Reply With Quote
was he driving it?
Nismo
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12th Oct 06 at 16:47   View User's Profile U2U Member Reply With Quote
no stood out side in a field , only thing it didnt have was glass.
Mistamist
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12th Oct 06 at 16:59   View User's Profile U2U Member Reply With Quote
I can roll a metro which would be about the same weight as a mini wasnt really a problem.
chr15barn3s
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12th Oct 06 at 17:52   View User's Profile U2U Member Reply With Quote
Ive seen 3 people roll an AX onto its roof with engine and interior etc... all still in.

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