Strain wave gearing is a type of mechanical gear system that uses a flexible spline with external teeth, which is deformed by a rotating elliptical plug to engage with the internal gear teeth of an ou
Harmonic Drive SE strain wave gear set consisting of wave generator bearing (top left), flexspline cup (top right) and circular spline ring (bottom).
The Lunar Roving Vehicle is a battery-powered four-wheeled rover used on the Moon in the last three missions of the American Apollo program during 1971 and 1972. It is popularly called the Moon buggy,
Strain wave gearing
…Mind that R is negative and small. The electrically driven wheels of the Apollo Lunar Rover included strain wave gears. Also, the winches used on Skylab to deploy the solar panels were powered using strain wave gears. Nidec-Shimpo America…
The U.S. Apollo Lunar Roving Vehicle from Apollo 15 on the Moon in 1971
MOLAB, NASA Illustration, 1960
Apollo 16 astronauts in the 1-g trainer
Apollo 15 – Commander David Scott drives the Rover near the LM Falcon