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Rack and pinion
| Глоссарий по машиностроению |
Steering gear in which a pinion on the end of the steering shaft engages with a horizontal rack, the ends of which are coupled to the steering arms by tie rods (figure r.l). radial (1) disposed at right angles to an axis. (2) a radial ply tire (informal). radial engine multi
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Horizontal, английский
- Горизонталь; горизонтальный
- Горизонталь; горизонтальный 287
- At right angles to the direction of gravity; on the level; parallel to the horizon; neither vertical nor inclined.
- A direction parallel to the horizon, or what is commonly termed lying flat. one of the greatest inconveniences navigators have to struggle with is the frequent want of a distinct sight of the horizon. to obviate this a horizontal spinning speculum was adopted by mr. lerson, who was lost in the victory man-of-war, in which ship he was sent out to make trial of his instrument. this was afterwards improved by smeaton, and consists of a well-polished metal speculum about 3-1/2 inches in diameter, inclosed within a circular rim of brass, so fitted that the centre of gravity of the whole shall fall near the point on which it spins. this is the end of a steel axis running through the centre of the speculum, above which it finishes in a square for the convenience of fitting a
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Radial ply tire, английский
Tire in which the plies run radially, nominally at right angles to the bead. also radial tire
Quill drive, английский
- Mechanical drive system using concentric shafts mounted on separated bearings. the inner shaft is usually of sufficiently small diameter to provide torsional flexibihty. 117 118 figure r.l the powered rack and pinion steering unit of a volvo passenger car r rac horsepower obsolete
- Traction motor drive system where the motor drives the wheel through a set of rubber bushed suspension links. the links are fitted to either end of a hollow tube (the quill) surrounding the axle. one set of links is attached to the output drive of the motor, the other to the wheel. the system reduces the unsprung mass on the axle compared with the nose suspended motor.
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