Thats groovy!!!

Sent from my iPod 

On Jun 10, 2014, at 3:53 PM, Howard Kaufman <[log in to unmask]> wrote:

> Now I have seen silly, but this takes the cake.
> I think I will believe the results, rather than check the math.
> Who knew!!!  More than that, who cared!!!!
> 
>> 
>> 
>> OK, somebody sent me on a wild goose chase, but I have the answer to the 
>> stupid question:
>> "If you could peel the grooves off a record, how long would the groove 
>> be?"
>> (Excel Spread Sheet to the rescue.)
>> 
>> 360 degrees in a circle
>> 33.3333 RPM
>> ~19 minutes of listed playtime
>> 
>> 633.27 grooves = (360 x 33.3333 x 19) / 360
>> 
>> 11.375 = Starting diameter in inches
>> 5.0 = Ending diameter in inches
>> 
>> .010065794  Space between grooves = (11.375 - 5.0) / 633.27
>> 
>> - Take the starting diameter and calculate circumference.
>> - Do the calculation again but subtract .010065794 from the diameter
>>  of the previous calculation.
>> - Do the above 633 times and add up all the circumferences.
>> - Then divide (the circumference summation) by your favorite unit of 
>> measure
>>   (Feet, or Miles).
>> 
>>                Inches                 Inches
>> Groove   Diameter            Circumference.
>> 1             11.37500000     35.73561643
>> 2             11.36493242     35.70398820
>> 3             11.35486484     35.67235997
>> 4             11.34479726     35.64073174
>> --- etc, etc, yadda, yadda, ---
>> 630         5.04249287       15.84145856
>> 631         5.03242529       15.80983033
>> 632         5.02235771       15.77820210
>> 633         5.01229014       15.74657387
>> 
>> Total Inches                       16294.113
>> Total Feet                            1357.8427
>> Total Miles                           0.25716719  (just over 1/4 mile)
>> 
>> Now you can claim bragging rights and impress your friends at a Trivia 
>> game,
>> but you'll have to put up with the argument of having too much time on 
>> your hands.
>> I did that for you...
>> 
>> I'm done now.
>> Duke
>> 
>> Sent from my good old dinosaur desktop.
>> 
> 
> 
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