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Technical Specifications
Last Updated: 2026-09-14Disclaimer: 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
| Torque | Below Average Stronger than 15% of 844 Digital Standard servos at 4.8V |
| Speed | Below Average Faster than 14% of 832 Digital Standard servos at 4.8V |
| Weight | Above Average Lighter than 89% of 1818 Digital Standard servos |
| Stall Current | Top 10% Lower draw than 100% of 403 Digital Standard servos |
Performance Analysis
| Shaft Power | 0.74–1.11 W |
| Power Density | 0.577 W/in³ More power-dense than 5% of 1645 Digital Standard servos |
| Torque Density | 1.6251 oz-in/g Stronger than 15% of 833 Digital Standard servos |
| Torque-to-Volume Ratio | 39.59 oz-in/in³ Denser torque than 11% of 844 Digital Standard servos |
| Speed-to-Weight | 0.11198 (1/sec·g) Faster than 46% of 822 Digital Standard servos |
| Speed-Torque Trade-off | 14.51 Better balanced than 27% of 827 Digital Standard servos |
| Current-per-Torque Ratio | 0.0079 A/oz-in More efficient than 94% of 232 Digital Standard servos |
| Torque Gain per Volt | 15.15%/V More voltage-responsive (torque) than 44% of 674 Digital Standard servos |
| Speed Gain per Volt | 22.22%/V More voltage-responsive (speed) than 87% of 688 Digital Standard servos |
| Voltage Range Width | 1.2 V Wider voltage range than 19% of 1271 Digital Standard servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0010 Finer dead band than 87% of 329 Digital Standard servos |
Notes
There are endless replicas of this popular servo. Check for the TowerPro logo if you're looking for the genuine product.
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Reviews (7)
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gege
December 9, 2016Application(s): PID control
Comments: None
mad scientist
February 11, 2016Application(s): 30 size heli
Comments: Servo died after 1/2 hour.
This was with Spektrum radio and a 5 cell NiMH battery.
possibly the servo didn't like the high voltage of the 5 cell pack.
Ball raced mechanics of the servo feel good quality, electronics failed.mr.mechanic
July 22, 2013Application(s): for robot
Comments: For good performance
Bachski
December 29, 2012Application(s): Senior Telemaster-rudder, elevator, ailerons
Comments: Purchased 4 of these a couple years ago and am using them in my Senior Telemaster for all flight surfaces. After countless flights, they have worked perfectly without a glitch. For the price, you CAN"T beat these servos. Plan on buying more for future projects.
Nigel Smith
January 21, 2012Application(s): 40 - 61 sized Aerobatic aircraft
Comments: I have used dozens of these and yet to find a bad one. I have had an occasional noisey one but certainly no more duds than futaba and less tan Hi-Tec. They are highly under rated in my opinion. The centering has been excellent too.
Go for it, if you have the chance, and give them a try.frank
May 27, 2011Application(s): Funtana X100 for 3D
Comments: I bought 6 of these and all 6 work great with lots of tourqe the only thing I don't like about them is you can't find heavy duty arms anywhere I need longer arms than the 5/8 inch that comes with them so i can get 3D throws if anyone knows where to get some let me know. the futaba arm goes on but it is a little loose.
Aggrav8d
March 29, 2010Application(s): hexapod
Comments: All but one in a box of 20 were fine. The last tried to shake it's way off the table when I plugged it in.
