Servo selection: torque, speed, gears and voltage
How to select servos for trainers, sport aircraft, large models, cars and boats without under-sizing a control surface.
CM5018WP Coreless DC Motor Metal Gear Servo IP67 Waterproof 50Kgf.cm 0.18sec for 1/10th & 1/8th Scale RC Rock Crawlers
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Contact RC-MODEL for current availability, technical fit, compatible accessories and a formal quote.
CM5018WP Coreless DC Motor Metal Gear Servo IP67 Waterproof 50Kgf.cm 0.18sec for 1/10th & 1/8th Scale RC Rock Crawlers is a KST Servos product selected for Car Servos. This page is written for practical buying decisions, with the key fit, size, voltage and performance details organized in one place.
Use it to compare torque, speed, voltage range, construction, dimensions, weight, variants and accessory compatibility before choosing the right component for an RC aircraft, helicopter, car, glider, UAV or workshop installation.
Key Advantages
- Ultra High Torque & Excellent Speed
- IP67 Waterproof
- Programmable
- Dual Ball Bearings
- Coreless DC Motor
- Ideal for 1/10th & 1/8th Scale RC Rock Crawlers
Core Specifications
- Voltage Range: DC4.8V-8.4V
- Rated Voltage: DC7.4V
- Motor Type: Coreless DC Motor
- Gear Set Material: Hardened Steel Gear
- Ball Bearing: 2BB
- Case Dimensions: 40.5mm*20.5mm*41.3mm ±0.2mm
- Weight: 80g±10%
- Item: CM5018WP Servo
- Torque: 35Kgf.cm@4.8V / 40Kgf.cm@6.0V / 45Kgf.cm@7.4V / 50Kgf.cm@8.4V
- Speed: 0.25sec/60°@4.8V / 0.23sec/60°@6.0V / 0.20sec/60°@7.4V / 0.18sec/60°@8.4V
- Start Current: 4.68A@4.8V / 5.70A@6.0V / 7.25A@7.4V / 8.15A@8.4V
- Working Frequency: 1520μs/333Hz
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| Technical Specifications | |
| Manufacturer | KST Servos |
| Brand | KST |
| Product Code | BR0023.0233 |
| All Variant SKUs | BR0023.0233 |
| Rated Voltage | DC7.4V |
| Voltage Range | DC4.8V-8.4V |
| Working Frequency | 1520μs/333Hz |
| Default Travel Angle | ±50° =100° Total |
| Temperature Range | -10℃.......+65℃ |
| Soft Start | Programmable |
| Programmable | Yes |
| Case Material | Aluminium Alloy |
| Motor Type | Coreless DC Motor |
| Gear Set Material | Hardened Steel Gear |
| Position Sensor | Potentiometer |
| Ball Bearing | 2BB |
| Case Dimensions | 40.5mm*20.5mm*41.3mm ±0.2mm |
| Weight | 80g±10% |
| KST Collections | Car Servos, Industrial, Standard Servos, CM Series |
| Series | CM Series |
| Size Class | Standard Servos |
| Application | Car Servos |
| Features | Ultra High Torque & Excellent Speed; IP67 Waterproof; Programmable; Dual Ball Bearings; Coreless DC Motor; Ideal for 1/10th & 1/8th Scale RC Rock Crawlers |
| Package Includes | 1 * CM5018WP Servo; 5 * Plastic Servo Horn; 1 * Servo Horn Screw; 4 * Grommet; 4 * Eyelet |
| Item | CM5018WP Servo |
| Torque | 35Kgf.cm@4.8V / 40Kgf.cm@6.0V / 45Kgf.cm@7.4V / 50Kgf.cm@8.4V |
| Speed | 0.25sec/60°@4.8V / 0.23sec/60°@6.0V / 0.20sec/60°@7.4V / 0.18sec/60°@8.4V |
| Product Type | RC |
| Start Current | 4.68A@4.8V / 5.70A@6.0V / 7.25A@7.4V / 8.15A@8.4V |
| Waterproof | IP67 |
Tags: KST Servos, BR0023.0233, Car Servos, Industrial & UAV Servos, Standard Servos, CM Series, Gears, RC servo