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Technical Specifications
Last Updated: 2026-10-10| Identity | |
| Brand |  |
| Product Number | JRPSZ9100HVT |
| Category | Hobby |
| Discontinued | Yes |
| Performance | |
| Torque |
7.4V480.00 oz-in34.56 kg-cm3.4 N-m |
| Speed |
7.4V0.12 sec/60°500.0 deg/s83.3 RPM |
| Physical | |
| Weight | 2.60 oz73.7 gBelow Average |
| Dimensions |
L 1.58 in W 0.82 in H 1.57 in L 40.1 mm W 20.8 mm H 39.9 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Steel |
| Gear Spline/Teeth | 23 T estimate |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Electrical & Environment | |
| Operating Voltage | 7.4 V |
| Power Source | 2S LiPo |
| Connectivity | |
| Connector | JR (Universal) |
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
| Weight | Below Average Lighter than 22% of 1902 Digital Standard servos |
Performance Analysis
| Shaft Power | 7.40 W |
| Power Density | 3.636 W/in³ More power-dense than 67% of 1759 Digital Standard servos |
| Torque Density | 6.5129 oz-in/g |
| Torque-to-Volume Ratio | 235.98 oz-in/in³ |
| Speed-to-Weight | 0.11307 (1/sec·g) |
| Speed-Torque Trade-off | 57.60 |
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Reviews (1)
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Jacob
September 26, 2013Application(s): Front and rear on modified wraith
Comments: I was really disappointed with these servos. I bought two for my wraith (front and rear) and within a couple days both had broken gears. The teeth on the main out put gear and the top center broke off (they didn't even strip, the teeth sheared right off). I also bought two sets of replacement gears and after a few runs they broke as well. Contacted JR and they would only send me one set of gears for both servos. I'm disappointed in the servos and in the company. Don't waster your money on these. I should have just stuck with my hitec 7950s.