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Theta Razor-D1
Low Profile

Theta Razor-D1

Compatible Hardware

*Based on known specs.

Technical Specifications

Last Updated: 2026-10-25
Identity
Brand Theta
Product Number TS-RD1
Category Hobby
Performance
Torque
8.4V 222.20 oz-in
7.4V 208.30 oz-in
6.0V 187.50 oz-in
5.0V 166.60 oz-in Average
Speed
8.4V 0.07 sec/60°
7.4V 0.08 sec/60°
6.0V 0.09 sec/60°
5.0V 0.11 sec/60° Average
Stall Current ≤3 AAbove Average
Physical
Weight 1.87 ozAverage
Dimensions L 1.61 in
W 0.81 in
H 1.06 in
Case Material Aluminum
Drivetrain
Motor Type Brushless
Gears Metal
Gear Spline/Teeth 25 T
Rotation Mode Positional
Rotation/Support Dual Bearings
Control & Signal
Modulation Digital
Rotational Range 90°
Pulse Width 500-2500 µs
Neutral Position 1520 µs
Refresh Rate 400 Hz
Angle Sensor Magnetic Encoder
Control System PWM
Programmable Yes
Electrical & Environment
Operating Voltage 5–8.4 V
Connectivity
Connector JR (Universal) estimate
Wire Length 200 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 61% of 186 Digital Low Profile servos at 5.0V
SpeedAverage
Faster than 38% of 183 Digital Low Profile servos at 5.0V
WeightAverage
Lighter than 42% of 304 Digital Low Profile servos
Stall CurrentAbove Average
Lower draw than 70% of 81 Digital Low Profile servos

Performance Analysis

Torque Density3.1434 oz-in/g
Stronger than 59% of 185 Digital Low Profile servos
Torque-to-Volume Ratio120.52 oz-in/in³
Denser torque than 58% of 186 Digital Low Profile servos
Speed-to-Weight0.17470 (1/sec·g)
Faster than 34% of 182 Digital Low Profile servos
Speed-Torque Trade-off17.99
Better balanced than 64% of 183 Digital Low Profile servos
Current-per-Torque Ratio0.0180 A/oz-in
More efficient than 54% of 58 Digital Low Profile servos
Torque Gain per Volt9.82%/V
More voltage-responsive (torque) than 15% of 164 Digital Low Profile servos
Speed Gain per Volt15.96%/V
More voltage-responsive (speed) than 60% of 163 Digital Low Profile servos
Voltage Range Width3.4 V
Wider voltage range than 61% of 276 Digital Low Profile servos

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