You kids are spoiled! Back in my day it took at least a day to see the results of computer modeling, longer if the courier dropped the box of input...

Designing gears is somewhat of a mathematical puzzle. You have lots of interconnected factors to play with in hopes of finding the “best” overall s...

The most obvious difference between a spur gear and a helical gear is the presence of that “helix” angle. Civilians will call them “straight-cut” a...

Most of the gearboxes I have been involved with use single helical gears. Its excellent power capacity per mesh makes it the default system for man...

We cannot leave our lesson about tooth depths without covering bevel gears. There is a tendency to think of bevels and worms as being best left to ...

Spur gears have been around “forever.” That ancient astronomical device recovered from the Mediterranean Sea a few years ago shows the antiquity an...

No one becomes a gear expert overnight. You might be abruptly assigned the title by your employer, but it takes some time before you can really ful...

I rambled on about herringbone gear in my last posting but still have more to share on these once commonplace gears. Today we’ll cover the use of c...

It was brought to my attention that the graphics used in my recent “herringbone” postings actually show double helical gears. I have a great suppor...

I try to avoid technical matters here in the blog on the grounds that we have an entire magazine to cover the “hard stuff.” Besides, very few topic...