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KST X20-3005 Brushless Standard Servo 32Kgf.cm 0.047sec
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KST X20-3005 Brushless Standard Servo 32Kgf.cm 0.047sec
The KST X20-3005 Brushless Standard Servo is a high-speed standard-size servo in KST's X20 Track Series for 1:8 and 1:10 RC on-road and off-road race cars. KST also positions it for aerobatic airplanes, jets, scale models, and other high-performance control applications.
Verified KST data lists a DC 6.0V-8.4V voltage range, up to 32Kgf.cm torque at 8.4V, and 0.047sec/60deg speed at 8.4V. It uses a 4-pole brushless DC motor, hardened steel gears, potentiometer feedback, an aluminum alloy case, and 2 ball bearings.
The 40.5 x 20 x 38mm case, IP65 splash-proof rating, and 25T 6mm output shaft spline make X20-3005 a strong choice for steering systems needing very fast response and high torque.
Product Images
Features
- 32Kgf.cm peak torque - Listed torque reaches 32Kgf.cm at 8.4V.
- 0.047sec ultra-fast response - Listed speed reaches 0.047sec/60deg at 8.4V.
- 4-pole brushless DC motor - Supports high efficiency and fast steering response.
- Track Series standard servo - Designed for 1:8 and 1:10 RC race car steering applications.
- IP65 splash-proof rating - Listed for protection against splash exposure in compatible use.
- Hardened steel gears - Provides durable output under steering and control loads.
- Aluminum alloy case - Adds rigidity and heat dissipation.
- 25T 6mm output spline - Uses the listed spline for standard servo arms.
- Programmable setup - KST lists soft start and programmable support.
- 100deg default travel - Default travel is listed as +/-50deg.
Specifications
| Parameter | Value |
|---|---|
| Model | KST X20-3005 |
| Shopify SKU | KST-X20-3005 |
| Rated Voltage | DC 7.4V |
| Voltage Range | DC 6.0V-8.4V |
| Torque | 24Kgf.cm @ 6.0V; 30Kgf.cm @ 7.4V; 32Kgf.cm @ 8.4V |
| Speed | 0.067sec/60deg @ 6.0V; 0.052sec/60deg @ 7.4V; 0.047sec/60deg @ 8.4V |
| Stalling Current | 8.80A @ 6.0V; 10.8A @ 7.4V; 12.3A @ 8.4V |
| Working Frequency | 1520us / 333Hz |
| Default Travel Angle | +/-50deg = 100deg total |
| Command Interface | PWM command; pulse length 900us-2100us |
| Output Shaft Spline | 25T, 6mm |
| Case Material | Aluminum alloy |
| Motor Type | 4-pole brushless DC motor |
| Gear Set Material | Hardened steel |
| Position Sensor | Potentiometer |
| Ball Bearing | 2BB |
| Waterproof Rating | IP65 |
| Case Dimensions | 40.5 x 20 x 38mm +/-0.2mm |
| Weight | 70g +/-10% |
| Temperature Range | -20C to +65C |
| Soft Start | Yes |
| Programmable | Yes |
Reference Documents
Application
- 1:8 and 1:10 RC race cars - Designed for on-road and off-road steering applications.
- Buggy and truggy steering - Suitable when torque, speed, and spline match the chassis requirements.
- Aerobatic airplanes and jets - KST also positions it for high-performance aircraft use.
- Scale models - Works in compatible scale control systems after confirming fit and load.
- HV steering upgrades - Useful where fast 0.047sec response at 8.4V is required.
- PWM-controlled mechanisms - Can drive compatible mechanisms using the listed PWM signal range.
Packing List
| Description | Quantity |
|---|---|
| KST X20-3005 brushless servo | 1 |
| Accessory pack | 1 |
FAQ
How does X20-3005 compare with X20-1806?
X20-3005 is a standard-height servo with 32Kgf.cm at 8.4V and 0.047sec/60deg speed. X20-1806 is lower profile at 23.1mm height with 18Kgf.cm at 8.4V and 0.06sec/60deg speed.
Does OpenELAB list multiple Shopify variants for this product?
No. The current Shopify product is a single variant with SKU KST-X20-3005.
What is the maximum listed torque?
The technical specification lists 32Kgf.cm at 8.4V.
What is the fastest listed speed?
The fastest listed speed is 0.047sec/60deg at 8.4V.
Is it waterproof?
The KST technical specification lists IP65, which should be treated as splash-proof protection rather than submersion waterproofing.
What is included in the package?
The package listing confirms one X20-3005 brushless servo and one accessory pack.
What spline does it use?
The technical specification lists a 25T, 6mm output shaft spline.
What should I check before installation?
Confirm the 40.5 x 20 x 38mm case, 25T 6mm spline, HV power range, steering load, and servo-arm clearance.
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