I have heard that sometime after WW2, Darle Dudley conducted a large scale study of gear fatigue that may have been funded by the US government. He supposedly came up with S-N curves.
Does anyone know if the results of that study are still available anywhere? I can find no trace of it on...
Recently I've seen people in the aerospace field getting jobs as contractors doing FEA (this is what I do) for between 70 and 80 USD per hour plus time and a half for any overtime worked.
Do the math and you can see that in a 2000 hour work year, a contractor could gross at least $140,000 with...
I'm looking for a DC motor for a certain application. It has to run in one direction only and provide up to 100 ft-lbs of torque at 5000 RPM. I'd like to have speed control.
The bottom line is I'd like something cheap, reliable, and simple to use. If anyone can suggest a good vendor or other...
On a simple involute spur gear - I was under the impression that in order to apply a crown in the lead direction it is necessary to use a grinding wheel and either plunge the wheel into the part as it traverses the face width or etc. But is it possible to get a lead crown using a hob cutter...
