SENSORED MOTOR: 4-POLE SENSORED BRUSHLESS 1406-7700KV MOTOR
Ideal for 1:10th scale on-road cars for 2s use as well as lighter off-road 1:10th stadium trucks and buggies with conservative gearing (up to 4 lbs).
NOT for use in 2WD or 4WD short course trucks.
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Minimum Input Voltage: 2s |
| Maximum Input Voltage: 2s |
| Sensored Capable: Yes |
| Recon G6 Certified Motor: No |
| ROAR Certified Motor: No |
Why Sensored Motors?
Drivers in all applications demand clean starts when coming off the line. Crawler fans require high-precision low speed control and torque for climbing, racers need precision and predictability, and dragsters don’t have a millisecond to spare. To achieve all of these performance demands and more, we have integrated rotor position sensor technology with our improved high power and high efficiency motor design. Through the use of our sensors, the position of the rotor is always known by the ESC. This eliminates the possibility of encountering cogging or inconsistency during startup. Users will experience PRECISE throttle control and BUTTERY SMOOTH starts plus the RAW POWER and LONGER RUN TIMES that our highly efficient motors produce.
Technical Specs
| Input Voltage Range: | 2s LiPo |
| Kv: | 7700 |
| Max RPM: | 100,000 |
| Size: | Length: 49.5mm Diameter: 36mm |
| Weight (w/wires): | 6.7oz / 189g |
| Shaft Size: | Length: 15mm Diameter: 1/8" (3.17mm) |
| Mounting Hole Specs: | M3 @ 25mm |
| Connectors: | 4mm male Castle Bullet Connectors. |
| Items Needed for Operation: | Compatible Electronic Speed Control (ESC) |
| Application Guidelines: | 1:10 scale on-road cars for 2s use. Lighter off-road 1/10th stadium trucks and buggies with conservative gearing. NOT for use in 2WD or 4WD short course trucks. Check the gearing chart at the bottom of the page under Resources for more details. |
| Recommended ESCs: | Mamba X, Copperhead 10, Sidewinder 4 (Sensorless), Cobra 10 |
| Cooling Fan: | Optional, 011-0014-00 |
| Max Recommended Vehicle Weight: | Up to 4lbs |
| Tech Tips: | Running modes: SmartSense™ Sensored and an ultra-efficient Sensorless mode Water Resistant Design: The sensor board is coated with silicone conformal coating to protect the sensors from moisture. The sensor connections are not water resistant; water can cause signal loss which could result in loss of sensored capabilities. Castle recommended applying dielectric grease to the outside of the sensor wire connections after installation of the wire. Routine maintenance is recommended after running in wet conditions. Please refer to instructions for running and maintaining motors in wet environments. |
Motor Features

- Our IMPROVED 4-POLE 12-SLOT design boasts exceptional EFFICIENCY and produces LESS HEAT.
- QUIETSENSE™ technology shields the sensors from magnetic field noise generated from the motor coils and keeps your motor and ESC in sync at all times. Use of a Flux Shield™ in conjunction with secondary Sense Magnets delivers even HIGHER PRECISION and MORE EFFICIENT startups.
- Our OPTIMIZED design eliminates the need for mechanical timing adjustments. Our sensor alignment method delivers uniform timing and torque in both directions, automatically.
- REBUILDABLE design allows users to replace front end bell/bearing assembly or rotor/shaft assembly.
- ROAR standard sensor port and labeled connections.
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Updated modern and sleek design; looks as cool as it performs.
Resources
1406 Motor 2-Pole Equivalent Turn-Count Data Sheet
Sensored Motor Quick Start Guide
Castle Creations warrants this product to be free from manufacturing defects for a period of one year from date of purchase.
This product may contain chemicals known to the State of California to cause cancer and or birth defects or other reproductive harm.
Product designed in Olathe, Kansas USA.