The aircraft’s shaft-driven lift fan propulsion system produced more vertical thrust than needed to meet performance requirements.
经测试，飞机的轴驱动升力风扇推进系统可产生超过性能需求的垂直推力比。
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The paper presents the design of main propulsion system for ocean-going salvage tug, also the adoption of the auxiliary machinery, shaft-driven pumps and shaft-driven generators.
In his application Selden described a machine with a gasoline-driven, combustion-type engine that sat in front of the driver; a clutch; a foot brake; a drive shaft; and front-wheel drive.