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Technical Specifications
Last Updated: 2026-10-08Disclaimer: 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
| Weight | Average Lighter than 65% of 452 Digital Mini servos |
Performance Analysis
| Shaft Power | 0.54–0.85 W |
| Power Density | 1.244 W/in³ More power-dense than 37% of 423 Digital Mini servos |
| Torque Density | 2.2936 oz-in/g |
| Torque-to-Volume Ratio | 72.88 oz-in/in³ |
| Speed-to-Weight | 0.26983 (1/sec·g) |
| Speed-Torque Trade-off | 8.50 |
| Voltage Range Width | 3.3 V Wider voltage range than 73% of 298 Digital Mini servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0017 Finer dead band than 62% of 53 Digital Mini servos |
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Reviews (6)
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fvracerone1
March 14, 2017Application(s): I used it on a micro magic sailboat as an arm winch. I used a small LiFe battery with it and only got maybe 10-12 races out of it. Should I be using a fully charged LiFe battery 800mah?
Comments: This is the second servo that expired, last one smoked the interior of the boat and it still stinks...
Fliegerbaron
February 16, 2017Application(s): Elevator and rudder servo for 2.5m composite glider; all control surfaces on 1m aerobatic biplane
Comments: I can definitely confirm the poor centering of these servos at the moment.
About five years ago, I bought four of these for a 1-Meter aearobatic biplane. All four centered perfectly and are still in flawless condition today.
Just recently though, I bought five new ones, and not a single one centered properly - returned all of them to the retailer.
What's going on with Hitec's quality control?Youlikebananas
May 10, 2015Application(s): Tried to use it on a 3D plane.
Comments: This servo does absolutely nothing as advertised. You can't program the end points (witch was the whole reason why I got them) I got 5 of them and only one centered ok. The other 4 were the worst centering servos I have ever had. Save your money and put the analog hs-85 mg servos in your project instead. I hade the same problem with there 5087 servo none centered out of 5 and couldn't program end points. I'm realy disappointed with hitec on these servos. They never should of made it to production.
Awesome little servo!
October 23, 2014Application(s): 30-size electric 3D-plane, EF-Extra 300 48"
Comments: First I used HS-81 servos plastic gears on ailerons and metal gears on rud and elev, had gear stripes on both air servos twice, some damage to the wing, changed to 5085 for all 4 places, oh man what a difference, many many flight's on that setup and thay are very strong, all maneuvers works great with the extreme throws on this plane!
Poffd
August 13, 2012Application(s): Simple servo arm movement, no load
Comments: This servo should be compatible with the HPP-21 programmer to set end points (EPA). After many fresh installs of the HPP-21 software, successfully validating the HPP operations with a HS-M7990TH $250 servo), the little HS-5085MG choked and produced a "Runtime 6" error. SERVO IS NOW TOAST. 30 mins w Hitec support consistently led to "must be windows". Look up that error guys, it all points back to bad VB programming...very disappointed.
D
March 26, 2012Application(s): traxxas 1/16 e-revo
Comments: this isn't all metal servo. there is a plastic gear that strips way too easily. avoid it. customer service replaced it with no issues, but it stripped after 5min run.
