Power HD WT80 Coreless Digital Servo | 35kg-cm High Voltage RC Car Servo
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Frequently Asked Questions
What is a coreless motor and why is it better than a standard brushed motor in a servo?
A coreless motor eliminates the iron core found in standard brushed motors, replacing it with a lightweight copper wire winding. This significantly reduces the rotor's rotational inertia, resulting in faster acceleration, quicker response to input changes, and lower heat generation under load. For RC car servos, this translates to sharper steering feel, faster centering, and more consistent performance during extended race sessions compared to standard brushed motor servos.
What RC car types and chassis is the WT80 compatible with?
The WT80 uses a standard full-size servo form factor (40.7 x 20.5 x 38.7mm) and is compatible with most 1/10 scale RC car servo mounts without modification. This includes 1/10 electric touring cars, electric buggies, RC crawlers, and short course trucks. It fits popular chassis from Yokomo, Tamiya, Xray, Team Associated, Traxxas, Axial, and other brands that use standard full-size servo bays. Always verify your chassis servo bay dimensions before purchasing.
What voltage should I run the WT80 at and do I need a special BEC?
The WT80 operates on 6.0V to 8.4V DC. For maximum performance, running at 8.4V (2S LiHV or regulated BEC) delivers peak torque of 35 kg-cm at 0.09 sec/60 degrees. Most modern ESCs with a built-in BEC output 6.0V or 7.4V, which is fully compatible. If your ESC BEC only outputs 6.0V, you will get 23 kg-cm torque - still excellent for most applications. Do not exceed 8.4V to avoid damaging the servo.
How does the WT80 compare to the Power HD GTS Series brushless servos?
The WT80 is a coreless (brushed) digital servo, while the GTS Series uses a brushless motor. The GTS Series offers higher peak torque (30-70 kg-cm depending on model), IP67 waterproofing, and i-BUS2 smart protocol support for real-time parameter adjustment via compatible Flysky transmitters. The WT80 is a more affordable option that still delivers excellent 35 kg-cm torque and fast 0.09 sec response for hobby and club-level racing. If you need waterproofing, brushless efficiency, or i-BUS2 telemetry, the GTS Series is the upgrade path.
Are servo horn and mounting screws included with the WT80?
No. The WT80 package includes the servo body only. Servo horn and mounting screws are not included. Power HD servo arms compatible with the WT80 are available separately in our store. For mounting screws, standard M2 or M3 servo mounting screws (depending on your chassis) are widely available at hobby shops. We recommend purchasing a servo horn set at the same time to ensure you have everything needed for installation.
What's in the Box
- 1x Power HD WT80 Coreless Digital Servo — Servo horn and mounting screws not included
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Description
The Power HD WT80 Coreless Digital Servo is a high-voltage, high-torque servo engineered for demanding 1/10 scale RC car applications. Delivering up to 35 kg-cm of torque at 8.4V through a precision coreless motor and steel gear train, the WT80 provides the fast response and consistent holding power that competitive and hobby drivers demand.
📑 In This Guide
Key Features
- ✅ High-Voltage Coreless Motor (6.0–8.4V) — Fast, efficient power delivery with lower heat generation compared to standard brushed motors
- ✅ 35 kg-cm Peak Torque at 8.4V — Exceptional holding power for aggressive driving, tight cornering, and high-traction surfaces
- ✅ Full Steel Gear Train — Maximum durability under high-load conditions and hard impacts
- ✅ Dual Ball Bearings — Smooth, precise output shaft operation with minimal play and long service life
- ✅ Standard Full-Size Form Factor — 40.7 × 20.5 × 38.7mm fits most 1/10 RC car servo mounts without modification
Compatibility
- 1/10 Electric Touring Car
- 1/10 Electric Buggy
- 1/10 RC Crawler
- 1/10 Short Course Truck
- Most standard full-size servo mount chassis
Technical Specifications
Source: Power HD official specifications
- Torque @ 6.0V: 23.0 kg-cm
- Torque @ 7.4V: 28.0 kg-cm
- Torque @ 8.4V: 35.0 kg-cm
- Speed @ 6.0V: 0.12 sec/60°
- Speed @ 7.4V: 0.10 sec/60°
- Speed @ 8.4V: 0.09 sec/60°
- Operating Voltage: 6.0–8.4V DC
- Weight: 80g
- Bearing Type: Dual Ball Bearing
- Motor Type: Coreless
- Gear Type: Steel
- Dimensions: 40.7 × 20.5 × 38.7mm
⚠️ Installation Note
Package includes: 1× Power HD WT80 Coreless Digital Servo. Servo horn and mounting screws are not included. Ensure your ESC/BEC supports 6.0–8.4V output before installation. Do not exceed 8.4V operating voltage.
Related Products
Explore more high-performance servo options from Power HD:
- PowerHD GTS Series HV Brushless Servo (GTS-3/5/6/7) — Brushless upgrade with i-BUS2 support and IP67 waterproofing
- Power HD Storm Series Brushless Digital Servo — SSR-mode brushless servo in the same torque class
- PowerHD Servo Arm — Compatible servo horns for Power HD servo series
Shipping Info
🏭 Fulfillment Warehouses
SoarSky operates warehouses in the US, Europe, and China. Orders are fulfilled from the nearest local warehouse. If local stock is unavailable, your order will ship from our China warehouse and international shipping times will apply.
💰 Shipping Rates
| Type | Condition | Cost |
|---|---|---|
| Free Shipping | Orders over $100 | Free |
| Standard Shipping | Orders under $100 | Based on weight & address |
| International Shipping | All international orders | Based on destination & weight |
⏱️ Dispatch & Delivery Times
| Region | Estimated Delivery |
|---|---|
| Domestic (US) | 5–10 business days |
| International | 10–15 business days |
* Customs processing may affect international delivery times.
🚫 Shipping Restrictions
Some remote areas may experience longer delivery times or limited shipping options. We will notify you if any issues arise.
📦 Order Tracking
Once your order ships, you will receive a confirmation email with a tracking number. Track your shipment via:
| Platform | Link |
|---|---|
| 17Track | www.17track.net |
| SoarSky Order Tracker | soarskyrc.com/pages/track-order-1 |
📬 Contact Us
If you encounter any issues such as damaged items or lost packages, please contact our customer service team as soon as possible and we will work to resolve it promptly.