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11-06-2009, 06:22 PM
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#1 (permalink)
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FEandGoingBroke
Join Date: Sep 2004
Posts: 17,517
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Math Question, Genius needed!
OK folks, 2 lb spool of .035 diameter flux core Mig Welding wire contains how many feet in length?
Anyone of you math geniuses have those numbers handy?
It's a project of mine and my mig wire comes in 2 lb rolls because I use and older smaller mig.
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Honor!
Honor is something you EARN and then maintain!
It is not something that comes to you through deceit or by sleight of hand, or by the slathering of Bondo!
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 Today
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11-06-2009, 06:45 PM
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#2 (permalink)
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r.n.r.racing
Join Date: May 2009
Posts: 108
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Re: Math Question, Genius needed!
Well if my math is correct, I would say around 610 feet of wire to a 2lb spool. I just used the numbers for solid .035 round steel rod and calculated that. One foot weighs .0032743 lbs. Not sure how much difference the flux core would be, but this should get you in the ballpark.
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1964 Galaxie 500XL, 352cid, Cruise-o-matic, 9in rear, white w/white interior, all original american iron as it came from the factory
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11-06-2009, 07:30 PM
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#3 (permalink)
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ford4v429
Join Date: Feb 2005
Posts: 1,357
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Re: Math Question, Genius needed!
no genius here to say the least, but like little math problems sometimes...just thought I'd run over 'how to' do this...
area of circle is pi r squared - so half .035 times itself, times JCs 3.14159=.0009619 square inches
volume of a cylinder is pi r squared times height
so times 12= .0115428 cubic inches per foot
times .283 pounds per cubic inch for steel= .00326 pounds per foot
2 pounds divided by .00326 = 613.496 feet
guessing same as RNRs post except for rounding/decimal places/hes probably got a easier way, I was just bored wanted to see if I could remember how 
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Confidence: that feeling you have just before you realize the mess you've gotten yourself into...
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11-06-2009, 07:49 PM
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#4 (permalink)
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Rich27028
Join Date: Apr 2007
Posts: 3,305
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Re: Math Question, Genius needed!
ask the guy at the hard ware store--
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66 galaxie 352 -PS-PB-
Maybe life is not the party that we were expecting, but in the mean time, we're here and we can still dance....."
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11-06-2009, 08:18 PM
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#5 (permalink)
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MasterAnubis
Join Date: Jun 2009
Posts: 263
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Re: Math Question, Genius needed!
Remember that the weight of the spool itself needs to be removed from the total weght before dividing.
So you'd have:
(total weight - spool weight)/(weight per foot) = total feet
You'll need to adjust for local gravity too. Do you what it is where your at?
Like r.n.r.racing said, it may not matter much because of the density difference between steel and flux could throw these numbers of quite a few PPM. 
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"I could order one, right? Sure, but then I wouldn’t need to make one."
-Shawn(MasterAnubis)
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11-06-2009, 08:22 PM
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#6 (permalink)
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FEandGoingBroke
Join Date: Sep 2004
Posts: 17,517
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Re: Math Question, Genius needed!
So, a safe margin is 610 feet per roll that would make 8.65 Rolls to make one Linear Mile is that correct?
Meaning that 2 linear miles of Wire for a Mig welder is akin to SEVENTEEN, 2 lb. rolls of wire, yes?
______________________________________
Honor!
Honor is something you EARN and then maintain!
It is not something that comes to you through deceit or by sleight of hand, or by the slathering of Bondo!
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11-06-2009, 08:34 PM
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#7 (permalink)
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FEandGoingBroke
Join Date: Sep 2004
Posts: 17,517
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Re: Math Question, Genius needed!
OK genius people. Welders alike.
How Much Welding has to be Done in order to use up SEVENTEEN ROLLS of 2 lb wire?
I'm talking even BAD welding....
______________________________________
Honor!
Honor is something you EARN and then maintain!
It is not something that comes to you through deceit or by sleight of hand, or by the slathering of Bondo!
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11-06-2009, 08:42 PM
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#8 (permalink)
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retyler
Join Date: Oct 2003
Posts: 2,537
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Re: Math Question, Genius needed!
about 22 and a half minutes.
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"Tell it like it is or don't tell it at all" 1964 Falcon 2dr HT, 347V8 4V, dual exhaust, 5sp, pwr assist R&P steering, AM radio, heater with defrost and 2sp fan, electric windshield wipers, cigar lighter, dlx light group, bucket seats, console and full carpet.
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11-06-2009, 09:00 PM
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#9 (permalink)
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FEandGoingBroke
Join Date: Sep 2004
Posts: 17,517
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Re: Math Question, Genius needed!
Quote:
Originally Posted by retyler
about 22 and a half minutes.
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HAHAHAHAHAHAH You must weld like I do
But seriously I'm needing a good estimate as it's for a good cause in the long run. Keeping people from getting screwed by Hacks and thieves.
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Honor!
Honor is something you EARN and then maintain!
It is not something that comes to you through deceit or by sleight of hand, or by the slathering of Bondo!
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11-06-2009, 10:43 PM
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#10 (permalink)
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colkerr
Join Date: Apr 2008
Posts: 558
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Re: Math Question, Genius needed!
I see what this is about.
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 Sassy Grass My Ass
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