But there are limits to how many blades can be tacked onto the rotor's driveshaft, and once again weight becomes a consideration.
但是安装到旋翼驱动轴上的桨叶数量是有限制的,而且飞机的重量同样需要考虑。
2
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 driveshaft; and front-wheel drive.
申请中,赛尔登描述了一项机器是石油驱动、在驾驶座前有燃烧式发动机;离合器、脚刹车、前轮驱动。
3
Driveshaft a driveshaft and universal joints connect the transmission to the rear drive axle on most rear-wheel-drive vehicles.