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Corona DS-928BB
Micro

Corona DS-928BB

Compatible Hardware

*Based on known specs.

Technical Specifications

Last Updated: 2026-10-09
Identity
Brand Corona
Category Hobby
Performance
Torque
4.8V25.00 oz-inAverage
Speed
4.8V0.12 sec/60°Average
Physical
Weight 0.32 ozAverage
Dimensions L 0.89 in
W 0.45 in
H 0.97 in
Drivetrain
Motor Type Cored
Motor Drive MOS
Gears Plastic
Gear Spline/Teeth 21 T
Rotation/Support Single Bearing
Control & Signal
Modulation Digital
Rotational Range 80°
Dead Band 3 µs
Angle Sensor Potentiometer
Programmable Yes
Electrical & Environment
Operating Voltage 4.8–6 V
Temperature -20–60 °C
Connectivity
Connector JR (Universal) estimate
Wire Length 215 mm

Disclaimer: Most data is sourced from the manufacturer. Some data is sourced from our loyal community and with the help of AI. We aim for accuracy but are not responsible for inaccurate information.

Class Comparison

TorqueAverage
Stronger than 48% of 328 Digital Micro servos at 4.8V
SpeedAverage
Faster than 48% of 328 Digital Micro servos at 4.8V
WeightAverage
Lighter than 64% of 620 Digital Micro servos

Performance Analysis

Shaft Power 0.39 W
Power Density0.992 W/in³
More power-dense than 16% of 590 Digital Micro servos
Torque Density2.7778 oz-in/g
Stronger than 63% of 327 Digital Micro servos
Torque-to-Volume Ratio64.35 oz-in/in³
Denser torque than 38% of 327 Digital Micro servos
Speed-to-Weight0.92593 (1/sec·g)
Faster than 70% of 327 Digital Micro servos
Speed-Torque Trade-off3.00
Better balanced than 46% of 327 Digital Micro servos
Voltage Range Width1.2 V
Wider voltage range than 44% of 511 Digital Micro servos

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Reviews (2)

  • Russ

    July 29, 2018

    Application(s): Elevator, rudder, aileron, flaps. On a Glider

    Comments: 6 out of 6 jittered real bad on Servo checker. Put them on a RS7008SB receiver and 14SG futaba radio (brand new) same result. I’m glad I checked these before installing. PURE JUNK.

  • Parkflyer

    February 13, 2010

    Application(s): I installed 4 of these into a 1m wingspan 3D parkflyer, one on each control surface.

    Comments: One aileron servo and the elevator servo start vibrating furiously the first time you move the sticks and return them to neutral. I've tried different TX/RX combinations but the vibration remains. The movement at the trailing edge of the control surface is ±10mm which makes the model unflyable. These servos are a waste of money, Junk IMO!

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