THE CLOCK OF THE LONG NOw - Long Now Foundation
THE CLOCK OF THE LONG NOw - Long Now Foundation
THE CLOCK OF THE LONG NOw - Long Now Foundation
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
Torsionpedulum4.nb 4<br />
safetorque TorsionStrength 8 a z 2 3 1 .06095 z<br />
<br />
a<br />
0.998782 inch pound<br />
safewieght h b TensileStrength 4<br />
156.25 pound<br />
TorsionStress <br />
12773.9 pound<br />
<br />
inch 2<br />
3T<br />
<br />
8 a z^2<br />
LinearStress TotalWeight h b<br />
16720. pound<br />
<br />
inch 2<br />
1 .6095 z<br />
<br />
a .8865 z a ^2 1.8023 z a<br />
TotalStress PowerExpand LinearStress^2 TorsionStress^2<br />
21041.2 pound<br />
<br />
inch 2<br />
SafetyFactor 60000 pound inch^2 TotalStress<br />
2.85155<br />
h b<br />
0.005 inch 2<br />
.016 .006 60<br />
0.00576<br />
effect of weight on torque<br />
J 4 0<br />
a<br />
0.000104208 inch 4<br />
Or using Rouke's<br />
0<br />
z<br />
x^2 y^2 xy
Change language