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Riddle time 2

IHateMyJob2004

IHateMyJob2004

Lifer
I just came to your house with my new car and lcoked the doors. I knock on your door and hand you a ruler and tell you to estimate my new cars weight.

How do you esitmate it's weight?
 
Originally posted by: IHateMyJob2004
Originally posted by: Demon-Xanth
Call a towing company and have it towed to a scale.
Click to expand...

No.

It's actually an easier riddle.
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Beat you to death for coming to my house and locking my doors, then throw the ruler at you and estimate what your car weighs. Whatever I say, I'm the only one that's going to hear it, so I'm guaranteed to be right.
 
Solution #4: Modify the ruler into a slim jim, jimmy the lock open, hot wire the car, drive it to a scale, have it weighted, and then drive it off a cliff for good measure.
 
Originally posted by: Demon-Xanth
Solution #4: Modify the ruler into a slim jim, jimmy the lock open, hot wire the car, drive it to a scale, have it weighted, and then drive it off a cliff for good measure.
Click to expand...

Starting to get on the right track as the ruler is part of the solution. Any engineers here want to figure this one out?
 
Originally posted by: Doug3737
Originally posted by: Modeps
I seem to remember you also need a tire pressure gague for this.
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Yeah, where's our tire pressure gauge!!!
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At least that's what Mr Wizard taught me.... I think... or maybe Bill Nye. I forget.
 
I jam the ruler up your backside and tell you it isn't coming out until you tell me the weight of your car.
 
Originally posted by: Modeps
I seem to remember you also need a tire pressure gague for this.
Click to expand...

close, but not needed. Your on the right track though. It's a new car remember, so it's just about perfect from the dealership.
 
Originally posted by: IHateMyJob2004
Originally posted by: Modeps
I seem to remember you also need a tire pressure gague for this.
Click to expand...

close, but not needed. Your on the right track though. It's a new car remember, so it's just about perfect from the dealership.
Click to expand...

You're assuming that all new cars have the same tire pressures... I think you've gotta measure the amout of the tire that touches the road then multiply that by the tire pressure or something... oh hell, I dont remember. It's something like that. Maybe that works... so if the footprint is 4", and the PSI is like 40 which is stupid, that tire would be holding up 160 pounds, and you've gotta do it for each tire.
 
Originally posted by: Modeps
Originally posted by: IHateMyJob2004
Originally posted by: Modeps
I seem to remember you also need a tire pressure gague for this.
Click to expand...

close, but not needed. Your on the right track though. It's a new car remember, so it's just about perfect from the dealership.
Click to expand...

You're assuming that all new cars have the same tire pressures... I think you've gotta measure the amout of the tire that touches the road then multiply that by the tire pressure or something... oh hell, I dont remember. It's something like that. Maybe that works... so if the footprint is 4", and the PSI is like 40 which is stupid, that tire would be holding up 160 pounds, and you've gotta do it for each tire.
Click to expand...

Clsoe enough.

Tires have the PSI rating labeled on them. That's where you get he PSI from. Then measure the total area of hte tires that touch the road. Multiply and that's your answer.
 
Originally posted by: Modeps
Originally posted by: IHateMyJob2004
Originally posted by: Modeps
I seem to remember you also need a tire pressure gague for this.
Click to expand...

close, but not needed. Your on the right track though. It's a new car remember, so it's just about perfect from the dealership.
Click to expand...

You're assuming that all new cars have the same tire pressures... I think you've gotta measure the amout of the tire that touches the road then multiply that by the tire pressure or something... oh hell, I dont remember. It's something like that. Maybe that works... so if the footprint is 4", and the PSI is like 40 which is stupid, that tire would be holding up 160 pounds, and you've gotta do it for each tire.
Click to expand...

Yeah, didn't they do something like this in The Italian Job?
 
Originally posted by: IHateMyJob2004
Originally posted by: Modeps
Originally posted by: IHateMyJob2004
Originally posted by: Modeps
I seem to remember you also need a tire pressure gague for this.
Click to expand...

close, but not needed. Your on the right track though. It's a new car remember, so it's just about perfect from the dealership.
Click to expand...

You're assuming that all new cars have the same tire pressures... I think you've gotta measure the amout of the tire that touches the road then multiply that by the tire pressure or something... oh hell, I dont remember. It's something like that. Maybe that works... so if the footprint is 4", and the PSI is like 40 which is stupid, that tire would be holding up 160 pounds, and you've gotta do it for each tire.
Click to expand...

Clsoe enough.

Tires have the PSI rating labeled on them. That's where you get he PSI from. Then measure the total area of hte tires that touch the road. Multiply and that's your answer.
Click to expand...

Oops, I forgot about that. I'm close to teh winnar!
 
Originally posted by: isasir
Originally posted by: Modeps
Originally posted by: IHateMyJob2004
Originally posted by: Modeps
I seem to remember you also need a tire pressure gague for this.
Click to expand...

close, but not needed. Your on the right track though. It's a new car remember, so it's just about perfect from the dealership.
Click to expand...

You're assuming that all new cars have the same tire pressures... I think you've gotta measure the amout of the tire that touches the road then multiply that by the tire pressure or something... oh hell, I dont remember. It's something like that. Maybe that works... so if the footprint is 4", and the PSI is like 40 which is stupid, that tire would be holding up 160 pounds, and you've gotta do it for each tire.
Click to expand...

Yeah, didn't they do something like this in The Italian Job?
Click to expand...

Naw, they just checked the ground clearance to see if a truck was being weighed down or not.
 
The "measure the tread" idea with the tire pressue has alot of inaccuracies, such as the sidewall strength. A D load range LT tire will flex alot less than a P tire. Also, the tread blocks will bridge the gap between them.

Example:
We had a '78 GMC truck w/ 33x12.5x16.5 tires on it, at 10PSI, which is almost flat for it, the tire had less sidewall flex than my '91 Grand Prix's tires at normal operating pressure. This was due to the reinforced sidewall of the truck tire vs. the normal sidewall of the car.
 
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