1. Introduction
Thank you for choosing the SURPASS HOBBY 2435 series brushless power system. This comprehensive package includes a high-performance brushless motor, an Electronic Speed Controller (ESC), and a 17g servo, designed to provide superior power and control for your 1:18 scale RC drift and racing cars. Please read this manual carefully to ensure correct use, installation, and maintenance of your product.
2. Safety Information
Operating high-power RC systems can be dangerous. Always observe the following safety precautions:
- Keep hands, hair, and loose clothing away from rotating parts.
- Ensure all connections are secure before powering on.
- Use appropriate battery types and voltages as specified for the ESC and motor.
- Never operate the RC vehicle in public areas or near people, especially children.
- Always disconnect the battery when not in use or during maintenance.
- Do not modify the components unless explicitly instructed.
- If using the ESC in water, ensure the cooling fan is uninstalled and clean/dry the ESC thoroughly after use to prevent connector rust.
3. Product Overview
This product combines a powerful brushless motor, a waterproof ESC, and a responsive servo to enhance your RC car's performance.
Key Features:
- Motor: 4 Pole 12 Slot Hi-torque design, CNC Machined 6061 T6 Billet Aluminum Heatsink Can, High Purity Copper Windings for efficiency, High RPM ABEC5 Oversized Bearings, Precision balanced rotor, Super Thin (0.35mm) Stator Laminations.
- ESC: Water-proof and dust-proof for all-weather races, excellent start-up, acceleration, and linearity, compatible with sensorless brushless motors, strong current capability, excellent heat dissipation, multiple protection features (low voltage cut-off, over-heat, throttle signal loss, motor blocked).
- Servo: 17g servo with metal gears for durability and precise control.
4. Specifications
4.1 Motor Specifications (2435 Series)
| Parameter | 6100KV | 4800KV | 4500KV | 3300KV |
|---|---|---|---|---|
| Watts | 300 | |||
| Max Voltage | <9.6V | <12.6V | <13.2V | <15.8V |
| Max Amps | 32A | 24A | 22A | 18A |
| Rotor Poles | 4 | |||
| IO | 2.5A | 2.0A | 1.7A | 1.2A |
| Resistance | 0.0032 | 0.0057 | 0.0122 | 0.0167 |
| Max RPM | 60000 | |||
| Shaft (mm) | Ø2.0 | |||
| Length of extend shaft | 12mm | |||
| Connector | 3.5mm gold | |||
| Packing size (mm) | 90x55x35 | |||
| G.W (g) | 63 | |||
| N.W (g) | 63 | |||
4.2 ESC Specifications
| Parameter | 25A ESC | 35A ESC |
|---|---|---|
| Cont. Current/Burst Current | 25A/100A | 35A/120A |
| Motor Type | Sensorless Brushless Motor For 2S Lipo or 6 cells NiMH: 1. On-road: 24XX-size or smaller motor with KV<7200 2. Off-road / Buggy / Monster: 24XX-size or smaller motor with KV<4800 | Sensorless Brushless Motor For 2S Lipo or 6 cells NiMH: 1. On-road: 28XX-size or smaller motor with KV<6000 2. Off-road / Buggy / Monster: 28XX-size or smaller motor with KV<3800 For 3S Lipo or 9 cells NiMH: 1. On-road: 28XX-size or smaller motor with KV<4000 2. Off-road / Buggy / Monster: 28XX-size or smaller motor with KV<2800 |
| Suitable Car | 1/20, 1/18, 1/16 car | 1/16, 1/14 car |
| Resistance | 0.0014ohm | 0.0007ohm |
| Battery | 2 cells Lipo / 4-6 cells NiMH | 2-3 cells Lipo / 4-9 cells NiMH |
| BEC Output | 5.0V/2A (analog mode) | |
| Dimensions / Weight | 40x32x15/33g | 40x32x20/37g |
4.3 Servo Specifications
- Type: 17g Standard Servo
- Gears: Metal
- Application: Steering for 1:18 scale RC cars
5. Setup Instructions
Follow these steps to properly install and connect your SURPASS HOBBY brushless power system.
5.1 Motor Installation
- Mount the 2435 brushless motor into your RC car chassis using M2.5 screws. The motor features a universal fit for most 1/16 and 1/18 scale brushless cars.
- Ensure the motor is securely fastened and the pinion gear (not included) is properly aligned with the spur gear.
5.2 ESC Connections
- Connect to Motor: Connect the three motor wires from the ESC to the motor. The order of connection may affect motor rotation direction; reverse any two wires if the motor spins in the wrong direction.
- Connect to Battery: Connect the battery connector (T-plug or XT60, depending on your ESC version) from the ESC to your compatible LiPo or NiMH battery. Ensure correct polarity.
- Connect to Receiver: Plug the ESC's signal cable (usually a three-wire cable) into the throttle channel (CH2) of your RC receiver.
- Connect Switch: Connect the ON/OFF switch to the designated port on the ESC.
5.3 Servo Installation and Connection
- Mount the 17g servo into the designated servo mount in your RC car chassis.
- Attach the appropriate servo horn (included) to the servo output shaft.
- Connect the servo's signal cable to the steering channel (CH1) of your RC receiver.
- Connect the steering linkage from the servo horn to the steering mechanism of your car.
6. Operating Instructions
Once all components are installed and connected:
- Turn on your RC transmitter first.
- Then, turn on the ESC using its ON/OFF switch.
- The ESC will perform a self-test and emit a series of beeps.
- Calibrate the throttle range if necessary (refer to your ESC's detailed programming instructions, often available via a separate program card).
- You are now ready to operate your RC car.
- To power off, turn off the ESC first, then your transmitter. Disconnect the battery from the ESC.
7. Maintenance
Regular maintenance ensures the longevity and optimal performance of your RC components:
- Cleaning: Keep the motor and ESC free from dirt, dust, and debris. For waterproof ESCs, clean and dry thoroughly after use in wet conditions to prevent corrosion.
- Motor Bearings: Periodically check motor bearings for smooth operation. Replace if they feel rough or noisy.
- Connections: Ensure all electrical connections (motor, ESC, battery, receiver, servo) are tight and free from corrosion.
- Wiring: Inspect wires for any signs of damage, fraying, or insulation breaks. Replace damaged wires immediately.
- Firmware: Check the manufacturer's website for any firmware updates for the ESC, which can improve performance or add features.
8. Troubleshooting
If you encounter issues, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Motor not spinning / No power | Loose battery connection, discharged battery, ESC not armed, motor blocked. | Check battery connection and charge level. Ensure ESC is powered on and calibrated. Check for obstructions preventing motor rotation. |
| Erratic motor behavior | Incorrect motor wire connection, ESC programming issues, radio interference. | Verify motor wire connections. Reset ESC to default settings or reprogram. Check radio system for interference. |
| ESC overheating | Overgearing, insufficient cooling, motor too large for ESC. | Adjust gearing. Ensure proper airflow to ESC. Consider a higher-rated ESC if consistently overheating. |
| Servo not responding | Loose connection, damaged servo, incorrect receiver channel. | Check servo connection to receiver. Test with another servo if possible. Ensure servo is plugged into the correct channel (CH1). |
| Low voltage cut-off activated | Battery voltage too low. | Recharge or replace the battery. Adjust ESC low voltage cut-off setting if needed (with caution). |
9. User Tips
- ESC Programming: For optimal performance and to fine-tune your driving experience, consider using a compatible program card (sold separately) to adjust ESC settings such as throttle curves, brake force, and low voltage cut-off.
- Waterproof Feature: While the ESC is waterproof, remember to remove the cooling fan before submerging and thoroughly dry all components, especially connectors, after wet use to prevent rust and ensure longevity.
- Motor Selection: Choose the KV rating that best suits your driving style and vehicle. Higher KV motors offer more speed but less torque, while lower KV motors provide more torque and are generally more efficient.
10. Warranty and Support
SURPASS HOBBY products are manufactured to high-quality standards. For any technical support or warranty inquiries, please contact your retailer or the official SURPASS HOBBY customer service. Keep your proof of purchase for warranty claims.
