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Power to K

Power to K

(OP)
hi, i'm checking some old documents and when I get to examples i noticed some values are powered to K, k, k-
What does that means? i work with SI units and have never seen this before. The document works with imperial units.

attached an image.

RE: Power to K

(OP)
the ' " ' has some meaning too?

RE: Power to K

What's the context, i.e., what do the other quantities and answer refer to?

my guess, barring any other information is that the equation is purely empirical, and that it requires "k" to be in inches.

TTFN (ta ta for now)
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RE: Power to K

Based on what is shown in the equations, I'd say that k = kips (load or force) and k-" is kip-inches (a moment or torque).

I don't think the position indicated "raised to the power of k", but rather was a typography choice (or perhaps limitation).

RE: Power to K

I don't think that's a power. It looks that the units are just at the wrong place. I guess that 'k' must stand for kips and '"' for inches. In this way, the critical moment 'Mcr' should be in k" [kips.inches].

[cowski beat me to it...]

RE: Power to K

Looks like done on early typewriter. Does anyone remember how hard it was to roll the platen for the sub and superscripts? I believe those are inches and inch kips, too. They didn't have spell check in those days either. They did a sloppy job on drawing the box, too. You can stick a pencil in the groove where the keys strike and roll the platen and move the carriage to draw nice straight lines.

RE: Power to K

ps: we used to put the little in kip symbols up where the power symbols go because that was where the inch and foot symbols are supposed to go. You can't do it with a typewriter but we used to put a little square in front to show square feet or inches. Thanks to Microsoft and alt 241 (or whatever it is) we can show the little squares again.

RE: Power to K

(OP)
Wo, thanks for the answers. It's about stability for coped beams. ChengYuraJohnson1984's work.

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