Mechanical Studies

Interactive 3D studies of mechanisms and mechanical devices — what each part does, and why the whole thing works.

Drivetrain

• The Differential How a car turns without scrubbing its tires
• Powerglide How a two-speed automatic transmission works
• U-Joint vs CV Joint Why one pulses and one doesn't

Clocks

• Escapements How a clock decides what a second is
• Escapements II Brown's figs. 288, 289 & 311, solved as mechanisms
• Escapement III The deadbeat escapement — one tooth, one beat

Aircraft

• Constant-Speed Prop Lab A Bonanza-style trainer for the prop governor and power management