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See Pneumatic Elevators. Pneumatic home lifts use a vacuum system inside a tube to drive their movement. A pit or machine room is not required, so pneumatic home lifts are easiest to retrofit into an existing home. Pneumatic lifts consist of acrylic or glass tubes (typically about 80 cm in diameter).
Also, residential elevators are smaller than commercial elevators. The smallest passenger elevator is pneumatic, and it allows for only 1 person. [84] The smallest traction elevator allows for just 2 persons. [85]
Hoist atop an elevator. A hoist is a device used for lifting or lowering a load by means of a drum or lift-wheel around which rope or chain wraps. It may be manually operated, electrically or pneumatically driven and may use chain, fiber or wire rope as its lifting medium.
A pneumatic elevator consists of a cylindrical vertical shaft (typically made of transparent plastic), and a passenger capsule (also transparent) within the shaft which moves vertically by means of differential air pressure above and below. The main advantage that it requires neither a pit below or a loft above the shaft.
The elevator is a moveable part of the horizontal stabilizer, hinged to the back of the fixed part of the horizontal tail. The elevators move up and down together. When the pilot pulls the stick backward, the elevators go up. Pushing the stick forward causes the elevators to go down. Raised elevators push down on the tail and cause the nose to ...
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