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Posted by Bob D. on December 29, 2003 at 08:20:55:
In Reply to: math calculations posted by jorge m hernandez on December 23, 2003 at 15:25:27:
No. 1 - (a) Rod will expand 0.0015 units per unit length. If the drum is drum is 6.71 meters long (22 ft) sheet-to-sheet, then the stay rod expands 10.07 mm (0.40 in)when warming from 70F to 300F. (b) Yes, it's the right equation, pretty much. (c) Use a tape measure. You have to know either the initial or final length of the stay rod. The eqn only tells you how much it lengthens.
No. 2 - Roughly 6 Kg. (4ft x 32 ft x 2.5 in divided by 2.0187 cu. ft per lb at 600 PSIG divided by 2.2 lb per kg)
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