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  #46 (permalink)  
Old 08-01-2008, 06:45 PM
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Brian Martin,Freelance adviser
 
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Yep, I ran my truck down the road to a scale, $10 or something like that and I had it.

Brian
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  #47 (permalink)  
Old 08-01-2008, 06:56 PM
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Don't want to argue but the original question was how to weigh a car 'at home'. The bathroom scale system does that. And deflection of the board has zero impact on the result as long as the middle of the board does not touch the floor. Link between the tire and scale can go between California and New York and back as long as it is, a) carrying the weight of the wheel and, b) transfers the weight to the scale. Shape of the member between those two points is immaterial to the result. Granted the accuracy is not the best with the cheapie scale but again, the criteria was 'at home'. In fact I have used the method many times to size out coil springs for MII front end conversions and it works great. Wouldn't want to sell gold bullion using it but for car work it gets you in the ball park.

I am cheaper than the rest of you. If the car is drivable, I throw in a few old newspapers, go to my recycling center, get the car weighed, toss out the newspapers, get the car re-weighed, take my $0.17 check for the paper and a free, pretty accurate weight slip. Such a deal!
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  #48 (permalink)  
Old 08-01-2008, 11:57 PM
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And the checkered flag goes to...

Quote:
Originally Posted by Beenaway2long
4 pieces of copy paper and an accurate tire pressure guage. Cheapest easiest way. (no, I haven't sniffed too much nitrous)


On a flat surface, slide a sheet of paper behind, in front of and on both sides of a tire. Measure the distance front/aft & side to side. Multiply width by length, for total square inches of tire footprint. Check tire pressure. Multiply psi x the square inches. Do the same for the remaining tires. Add thewm together. and you have your weight.

I was within 8# on a 2700# race car, and a 3100# 65 chevelle.

Slide the paper in until it stops, and keep them parallel /square.
I just posted this same method in another thread a couple of days ago.
Although the question was how to use bathroom scales at home, This is the way us backwoods dirt track boys set our cars up. In case you've never raced small dirt tracks, the expense is high and the payout is low so running down with $20 to the local scale just to see how many lbs.you've shaved off your total weight can get expensive over a season. and as for taking the 12 pack with $20?
I DON'T THINK SO!!!! Thats for starting the celebration after the race, when your tearing down your engine for inspection because some rich punk with a shiny car got butthurt when your beatup junkyard dog lapped him twice in a 50 lap feature. LOL
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Old 08-02-2008, 01:09 AM
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Brian Martin,Freelance adviser
 
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Quote:
Originally Posted by willys36@aol.com
I am cheaper than the rest of you. If the car is drivable, I throw in a few old newspapers, go to my recycling center, get the car weighed, toss out the newspapers, get the car re-weighed, take my $0.17 check for the paper and a free, pretty accurate weight slip. Such a deal!
LOLOLOL, you got me there! LOL

Brian
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  #50 (permalink)  
Old 08-02-2008, 09:19 PM
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Just saw something on "junkyard wars" the other day, it was a metal contraption that incorporated a bathroom scale to weigh the vehicle.

They looked like a factory made device, but then again, you have to consider the source.
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Old 08-04-2008, 05:48 AM
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Quote:
I am cheaper than the rest of you. If the car is drivable, I throw in a few old newspapers, go to my recycling center, get the car weighed, toss out the newspapers, get the car re-weighed, take my $0.17 check for the paper and a free, pretty accurate weight slip. Such a deal!
At the local recycling center here they leave a drop off area open all the time. You don't get paid after regular business hours but you can run across the scales 24/7 with a big digital readout right next to the scale.
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