Ripmax QZ401

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*Based on known specs.

Technical Specifications

Last Updated: 2026-10-26

Identity
Brand
Product Number	P-QZ401
Category	Hobby
Discontinued	Yes
Performance
Torque	6.0V 132.37 oz-in 4.8V 119.18 oz-in Below Average
Speed	6.0V 0.09 sec/60° 4.8V 0.11 sec/60° Below Average
Physical
Weight	1.42 ozTop 10%
Dimensions	L 1.61 in W 0.80 in H 1.04 in
Case Material	Metal / Plastic
Drivetrain
Motor Type	Coreless
Gears	Metal
Control & Signal
Modulation	Digital
Electrical & Environment
Operating Voltage	4.8–6 V
Origin
Country of Origin	England

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Compatible Hardware

Amazon eBay

*Based on known specs.

Class Comparison

Torque	Below Average Stronger than 30% of 186 Digital Low Profile servos at 4.8V
Speed	Below Average Faster than 33% of 183 Digital Low Profile servos at 4.8V
Weight	Top 10% Lighter than 91% of 304 Digital Low Profile servos

Performance Analysis

Shaft Power	2.00–2.72 W
Power Density	2.030 W/in³ More power-dense than 27% of 273 Digital Low Profile servos
Torque Density	2.9573 oz-in/g Stronger than 52% of 185 Digital Low Profile servos
Torque-to-Volume Ratio	88.97 oz-in/in³ Denser torque than 31% of 186 Digital Low Profile servos
Speed-to-Weight	0.22558 (1/sec·g) Faster than 67% of 182 Digital Low Profile servos
Speed-Torque Trade-off	13.11 Better balanced than 43% of 183 Digital Low Profile servos
Torque Gain per Volt	9.22%/V More voltage-responsive (torque) than 13% of 164 Digital Low Profile servos
Speed Gain per Volt	18.52%/V More voltage-responsive (speed) than 80% of 163 Digital Low Profile servos
Voltage Range Width	1.2 V Wider voltage range than 8% of 276 Digital Low Profile servos