The JR 821HV servo is one of the latest updates for the JR brand. Based on the original and successful DS821 servo, it has the new high-voltage motor allowing it to be used unregulated when using 2-cell Li-Po power sources. The DS821HV servo is a powerful, accurate sport digital servo recommended for RC airplane applications up to 1.20-size. For helicopters, the DS821HV servo operates best with 30-size glow models and up to 500-size electric.
|Stall Torque||88 oz-in @ 7.4V (2s Li-Po)|
|Speed||.15 sec/60-deg @ 7.4V (2s Li-Po)|
|Dimensions||Width .74" (18.7mm) Length .1.5" (38.1mm) Height 1.47" (37.3mm)|
|Weight||1.5oz. (42.5 grams)|