truck beam

名词 n.

英文释义

名词 n.
  1. A fore-and-aft horizontal beam at the lower end of the gear strut of a multi-axle landing gear bogie, upon which are mounted the multiple axles of the bogie.
    — [A Boeing 777 main landing gear assembly] comprises a shock strut, at the top of which is the MLG trunnion; at the lower end is a truck beam with three axles and six wheels. The truck beam rotates in pitch about a pivot at the base of the shock strut and a truck position actuator tilts the truck when the aircraft is airborne.

词形变化

truck beams plural
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