Where Do Allowable Stresses Come From?

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Gear Talk With Chuck

Where Do Allowable Stresses Come From?

[starbox] One of the most important aspects of a gear rating standard is the allowable stress charts. For spur and helical gears we want to calculate durability and strength ratings

Gear Talk With Chuck

Great Moments in Gear Rating

[starbox] By now readers of this Blog are aware of my interest in gear trade history. The more I learn about how we got to this point in our understanding

Gear Talk With Chuck

Action Items for the Gear Trade

[starbox] Recently I learned that it took over 20 years for the gear industry to agree on its first “standard” tooth form — and that was after spending 25 years

Gear Talk With Chuck

Limited Opportunities for One-Trick Ponies

[starbox] When you work as an engineer for smaller companies you get to wear a lot of hats. Whether it was an emergency structural repair — snow causing a roof

Gear Talk With Chuck

Lost Technology

[starbox] Writing this Fall Technical Meeting paper has me digging through old files for references I am certain are in there some where. Of course I am finding many things

Gear Talk With Chuck

The Beginning of Wisdom

[starbox] An old proverb posits that “The beginning of wisdom is calling things by their proper name.” In my previous posting I brought up the need to identify the meaning

Gear Talk With Chuck

Frequently Asked Questions (and Other TLA or FLA)

[starbox] The advent of texting naturally leads to a desire for reduced typing. I like websites that have a “Frequently Asked Questions (FAQ) tab as it shows an interest in

Gear Talk With Chuck

Hunting for an Argument

[starbox] One of the first things I learned about gears was the importance of having a “hunting tooth” combination. This was not open to discussion. It was carved in stone

Gear Talk With Chuck

What Did They Know and When Did They Know It?

[starbox] No, I am not launching a criminal investigation. The title of this posting summarizes my ongoing study of the history of gear ratings. Most of you are aware that

Gear Talk With Chuck

Dr. Faydor L. Litvin: 100 Years a Genius

[starbox] The Gear Technology gang wishes to congratulate Dr. Faydor L. Litvin of the University of Illinois at Chicago (UIC) on celebrating his 100th birthday in January. We had hoped