JR DS821 6.3Kg.cm/0.15s High Torque Digital Servo

Price: £25.95  £19.95
Save: 23% off

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Product Features

  • Lower price point, but higher performance value
  • New, longer-lasting plastic gear material
  • Same size as standard servo
  • Ball bearing-supported output shaft


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.


  • Size Category: Standard
  • Type: Digital
  • Torque: 72(5.1Kg.cm) oz-in @ 4.8v, 88 oz-in(6.3Kg.cm) @6v
  • Speed: 0.19 sec/60° @ 4.8v, 0.15 sec/60° @ 6v
  • Length: 38mm
  • Width: 18.7mm
  • Height: 37mm
  • Weight: 42.5g
  • Bushing Or Bearing: Bearing
  • Bearing: Single
  • Motor Type: 3-pole ferrite
  • Gear Type: Nylon
  • Gear Material: Composite
  • Application: Standard size-digital servo upgrade for sport pilots

  • Our Part Number:

This product was added to our catalog on Friday 20 January, 2017.