Search results

...pability. The term "chain gun" derives from the use of a roller chain that drives the bolt back and forth.

}}</ref> During World War II, servomechanisms (called "power drives" in the U.S. Navy) were developed that allowed the guns to automatically st Mk. 37 director train (bearing) and elevation drives were by D.C. motors fed from Amplidyne rotary power-amplifying generators.

...r mounted in lower right front of an automobile engine with a [[serpentine belt]] pulley.]] ...e top and bottom of the opening. The belt and pulley at the right hand end drives the alternator. ]]

...when making cloth, and is the action of the [[reed (weaving)|reed]] as it drives each pick of weft to the fell of the cloth.<ref>{{Harvnb|Curtis|1921|p=Shed belt stretcher