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Replies: 20 / Views: 7,287 |
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Bedrock of the Community
United States
17884 Posts |
Not too many vending machines take half dollars anymore. And yes the Kennedy is within spec. Spec is 11.5 grams +/- .4 grams, so a 40% half that weighs anywhere from 11.1 to 11.9 grams is within spec. (When they went to clad, even 40%, the specs went down the tubes.)
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Pillar of the Community
United States
615 Posts |
I keep trying to do this with one of those new dollar coins. I keep losing it =/
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Pillar of the Community
 United States
1882 Posts |
Quote: I keep trying to do this with one of those new dollar coins. I keep losing it =/ I've managed to keep a driving range token in my possession for 4 months now, which is pretty amazing for me. So I figure I just might be able hang on to these coins. Hmmmm...should weigh that token and see how it holds up over time compared to US clad coinage.
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Pillar of the Community
United States
613 Posts |
This is a pretty cool experiment when are you gonna give your first update?
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Pillar of the Community
 United States
1882 Posts |
Here's an update: they haven't lost any weight yet. I do need to post the starting weights of the other coins that joined the game.
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New Member
Paraguay
19 Posts |
Very interesting experiment! Please keep us updated. Pictures would be nice too to see the wear/weight relation.
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Pillar of the Community
 United States
1882 Posts |
Results after 1 month:
1942: 12.448g (started 12.450g) 1967: 12.628g (started 12.630g) 1974: 12.268g (it started at this weight)
The scale weighs to 0.002g, so it took a month for 2 of them drop one blip. Which means they could have lost as little as 0.0001 grams and as much as 0.0029 grams.
It's gonna take a while to get measurable results.
Edited by steve199 03/11/2010 2:16 pm
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Pillar of the Community
 United States
1882 Posts |
Results as of May 3 (almost 3 months)
1942: 12.444g (started 12.450g) 1967: 12.626g (started 12.630g) 1974: 12.268g (it started at this weight)
The 90% silver coin is wearing the quickest, and the clad piece has no measurable weight loss.
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Valued Member
United States
376 Posts |
If you keep them in there long enough they might just disappear. LOL
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Bedrock of the Community
United States
20753 Posts |
Quote: Not too many vending machines take half dollars anymore. And yes the Kennedy is within spec. Spec is 11.5 grams +/- .4 grams, so a 40% half that weighs anywhere from 11.1 to 11.9 grams is within spec. (When they went to clad, even 40%, the specs went down the tubes.)
Guess you missed the  Actually I don't think any vending machines take them.
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Pillar of the Community
 United States
1882 Posts |
Results as of June 21 (4 months, 11 days)
1942: 12.440g (started 12.450g) 1967: 12.622g (started 12.630g) 1974: 12.264g (started at 12.268g)
Total of 0.022 grams lost.
Won't be winning any Biggest Loser contest soon.
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Pillar of the Community
United States
2120 Posts |
finally some loss on the Clad. Very interesting data!
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Valued Member
United States
470 Posts |
Check back in a year ..this is as painful as watching grass grow rof 
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Pillar of the Community
 United States
1882 Posts |
Quote: this is as painful as watching grass grow Ain't that the truth. :) Results on July 22 (5 months, 12 days) 1942: 12.440g (started 12.450g) No change from last month! 1967: 11.620g (started 11.630g) 1974: 11.264g (started at 11.268g) No one noticed that the clads were 1 gram overweight for a few months. 
Edited by steve199 07/22/2010 2:18 pm
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Pillar of the Community
United States
564 Posts |
Very interesting. I would have guessed they would have worn much faster. Have you noticed a great deal of wear since the start?
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Replies: 20 / Views: 7,287 |
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