DS821 Digital Sport Hi-Torque Servo by JR

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JRs latest Sport Digital design, the DS821, features a 40% increase in torque (72 oz/in) and a longer-lasting new gear train. 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.

  • Lower price point, but higher performance value
  • New, longer-lasting plastic gear material
  • Same size as standard servo
  • Ball bearing-supported output shaft
  • Type: Digital Hi-Torque
  • Torque: 72 oz/in @ 4.8v, 88 oz/in @6v
  • Speed: .19 sec/60 deg @ 4.8v, .15 sec/60 deg @ 6v
  • Dimensions (WxLxH): 0.74"x1.50"x1.47"
  • Weight: 1.5 oz
  • Bearing: Single Ball Bearing
  • Motor Type: 3-pole ferrite
  • Gears: Composite
  • Application: Standard size-digital servo upgrade for sport pilots

This product was added to our catalog on November 3, 2006.