Exact(7)
Reaction wheels use electricity, which can be produced in essentially unlimited supply by a spacecraft's solar panels.
Like most things that rotate really fast, reaction wheels use ball bearings.
The walking wheels use the integral wheel pair structure, as well as the installation structure similar to brake discs.
Within a few days, we were able to take the failed wheel offline, reset some parameters on the spacecraft; that essentially told the spacecraft that you only have three wheels, use those wheels.
These filter wheels use collimating lenses and a light-tight coupling sleeve to deliver power as high as possible to the calibration phantom through an 800 micron source fiber.
If you only have a full-sized vacuum (the kind with wheels) use the extension tubes to suck the test material out of your smoke detector.
Similar(53)
There are various types of wheels used in wheeled mobile robots including: standard, castor and omnidirectional wheels.
Today's better luggage has in-line skate wheels, using quiet, smooth ball-bearing technology.
For instance, the biggest wheels used to be 20 inches in diameter; now they're 21.
This rack, left, holds two bikes by their wheels, using rubber-padded hooks that clamp over the bike frames.
The fish wheels used on the Tiber, Rhône, and Columbia rivers can be considered as mechanized lift nets.
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