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The air caster (originally called the air bearing) was invented by Harry A Mackie in December 1961 as the “pendant air bearing load supporting device” for General Motors Corporation [3] as an alternative to the overhead crane, which ran opposed to a rail, creating friction free movement.
In particular, the air bearings are designed for lowest air consumption with the highest stiffness. High-accelerated Doppler drive The High-accelerated Doppler drive supports and guides a carbon fiber mirror (surface 500 mm × 250 mm ) with an acceleration of up to 300 m/s 2 and a flexible movement profile with high precision.
Caster angle and trail both influence the steering, albeit in different ways: caster tends to add damping, while trail adds "feel" and returnability. The caster wheel on shopping carts are an extreme case – the system is undamped but stable, as the wheel oscillates around the "correct" path. The construction has relatively high trail, but no ...
However, the larger the diameter of a caster wheel, the higher the caster support arm must be. Either the base of a low-hanging object must be lifted higher above the wheels, or the casters must hang out to the sides straddling the low-hanging supported object. While rotating around the vertical shaft, swivel caster wheels sweep out a space.
Riding a caster board requires using a twisting motion of hips and legs. A rider or "caster boarder" gains speed because each wheel is mounted on a 30° slant on the bottom of each deck. When each deck is pushed to the side, it causes the board to be pushed upward by the wheels' rotation against the gradient of the mounts.
The organization acquired four O-2s from Davis-Monthan Air Force Base in 1996. [1]The organization received approval to build a 12,000 sq ft (1,100 m 2) facility from the airport authority in May 2013.