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I am a retired Aerospace Structural Engineer with only rudimentary knowledge of Electricity. I need a cylindrical, hollow-core coil which will lift a 30-pound slug vertically into its hollow core when energized. The slug is steel and is about 2 inches in diameter. The energising voltage is...

Hi All, I understand the principles behind the von Mises Yield Criterion, and I think I know when it should and should not be used, but I have seen it mis-used on several occasions, and I'm doing further research. Most references state that it is used to find Yield and, as Corypad pointed out...

Hi All, Can SS be carburized? I have a shaft with a spline on it which is carburized to Rc 58 or so. Is it possible that this shaft is made of stainless? Thanks and regards.

Hi all, Reference page 2-18 in MIL-5H and MMPDS, Table 2.3.1.0(c2. Properties for MIL-T-6736 in the first two columns are different, but the wall thkns is the same; is this a typo? Also the third column has higher properties for 'all walls'. I am a stress analyst and not a metallurgist...

Can anyone tell me how to copy a spreadsheet containing cell designations such as $a$1, to a new location without dragging those cell designations along? Say, for example, I want to copy the sheet to a new location 12 lines down, and I want cell $a$1 to become cell $a$12, in which I will put...

Hi All, Could anyone tell me the direction and (ball park) rate of flow through an automotive oil filter? Thank you.

A load is imposed at the center of a square 4-bolt pattern. One bolt is removed. How is the load distributed to the remaining 3 bolts? I know the location of the "new" centroid of the fastener pattern, and I have calculated the moments about that point and the resulting reactions. I have...