The DS821 servo is a powerful, accurate sport digital servo recommended for RC airplane applications up to 1.20-size. For helicopters, the DS821 operates best with 30-size glow models, and up to 50-size electric. Loads and vibration in larger models may cause premature failure of the servo resulting in damage or injury to property and persons.
|Stall Torque||72 oz-in @ 4.8V / 88oz-in @ 6V|
|Speed||.19 sec/60-deg @ 4.8V . / .15 sec/60-deg @ 6V|
|Dimensions||Width .74" (18.7mm) Length .1.5" (38.1mm) Height 1.47" (37.3mm)|
|Weight||1.5oz. (42.5 grams)|