Expert SL451

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Compatible Hardware

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*Based on known specs.

Technical Specifications

Last Updated: 2026-07-10

Identity
Brand
Product Number	EXRSL451
Category	Hobby
Discontinued	Yes
Performance
Torque	4.8V48.00 oz-in
Speed	4.8V0.18 sec/60°
Physical
Weight	0.80 ozAverage
Dimensions	L 1.30 in W 0.58 in H 1.03 in

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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.

Compatible Hardware

Amazon eBay

*Based on known specs.

Class Comparison

Weight

Average

Lighter than 53% of 693 Mini servos

Performance Analysis

Shaft Power	0.49 W
Power Density	0.635 W/in³ More power-dense than 14% of 666 Mini servos
Torque Density	2.1145 oz-in/g
Torque-to-Volume Ratio	61.81 oz-in/in³
Speed-to-Weight	0.24474 (1/sec·g)
Speed-Torque Trade-off	8.64