FC-ESC Stacks
Betafpv 0702 II Brushless Motors 27000kv
₹5,600.00
The 0702 II Brushless Motor, a next-generation upgrade, is designed for unparalleled power and precision. Featuring cutting-edge tile-shaped magnets, these motors deliver up to 14.8% more thrust while virtually eliminating magnetic degradation from intense flights. Despite the upgrades, they maintain an ultra-lightweight design at just 1.55g, 1.47g, and 1.45g. When paired with Gemfan 1210 2-blade or 1208 3-blade propellers and ultra-light PEEK screws, this setup provides superior agility and performance. Perfectly tailored for 65mm whoops, the 0702 II ensures you dominate the skies with exceptional speed, precision, and control.
The 0702 II Brushless Motor, a next-generation upgrade, is designed for unparalleled power and precision. Featuring cutting-edge tile-shaped magnets, these motors deliver up to 14.8% more thrust while virtually eliminating magnetic degradation from intense flights. Despite the upgrades, they maintain an ultra-lightweight design at just 1.55g, 1.47g, and 1.45g. When paired with Gemfan 1210 2-blade or 1208 3-blade propellers and ultra-light PEEK screws, this setup provides superior agility and performance. Perfectly tailored for 65mm whoops, the 0702 II ensures you dominate the skies with exceptional speed, precision, and control. Stay ahead of the competition with this ultimate racing solution!
Note: Exciting news! The 0702 II 30000KV Brushless Motor is just the same high-performance motor featured in the limited-edition Air65 Champion Version. If you missed out on the Champion Version, now’s your chance to build your own top-tier whoop with these cutting-edge motors!
Bullet Points
- The second generation of 0702 motors are custom-designed for ultra-lightweight 65mm racing drones, delivering exceptional performance for extreme indoor FPV racing and aggressive freestyle flying.
- Upgraded with advanced tile-shaped magnets, the 0702 II and 0702SE II motors deliver up to a 14.8% thrust increase while virtually eliminating magnetic degradation, even during intense flights.
- The 0702 II motors boast dual ball bearings and weighs just 1.55g. For pilots seeking higher speeds, the 30000KV provides more punch on the throttle, ideal for indoor FPV racing and aggressive flying.
- The 0702SE II motors feature brass bushings, making it both lightweight at 1.45g (23000KV) and 1.47g (27000KV) and highly efficient. This more affordable and durable motor is the perfect choice for extremely lightweight installations.
- Paired with the PEEK screws only weighing 0.10 grams/12pcs, it can save up to 0.46g for a build. With superior heat resistance, anti-friction, anti-shock, and anti-fatigue properties, the PEEK screws are both reliable and durable.
- Combine these with the ultra-light Gemfan 1210 2-blade or Gemfan 1208 3-blade propellers, you can get robust power output and unparalleled responsiveness, perfect for racing and freestyle flight. Meet various needs of the lightweight whoop drone installation.
Specifications
- Item: 0702 II Brushless Motors
- Motor KV (rpm/V): 30000KV, 27000KV, 23000KV
- Bearing: Dual ball bearings (0702 II), Brass bushings (0702SE II)
- Weight: 1.55g (0702 II), 1.45g (0702SE II 23000KV), 1.47g (0702SE II 27000KV)
- Color: Black/Red (0702 II), Ice Blue (0702SE II)
- Shaft Diameter: 1mm
- Shaft Length: 4.2mm
- Hole Distance: 6.6mm
- Motor Mount Holes: M1.4
- Input Voltage: 1S
- Cable: 35mm (connector included), 30AWG
Dimensions of the 0702 II Brushless Motor:
Dimensions of the 0702SE II Brushless Motor:
The Second Generation, A Power Revolution
The upgraded 0702 II motors redefine performance with cutting-edge tile-shaped magnets, an optimized magnetic circuit design, and improved coil filling ratio. Compared to the original 0702, the 0702 II delivers a remarkable 14.8% boost in thrust, while the 0702SE II achieves gains of 13% (23000KV) and 12.7% (27000KV). Engineered to withstand the demands of intense flights, the new design virtually eliminates magnetic degradation. Whether you’re aiming for Freestyle finesse or Racing supremacy, the BETAFPV 0702 II motors deliver unparalleled power and precision for your flight adventures.
| 0702SE II | 23000KV | 0702SE | 23000KV | 0702SE II | 27000KV | 0702SE | 27000KV | 0702 II | 30000KV | 0702 | 30000KV | |
| Color | Ice blue | Black/red | ||||
| Bearing | Brass bushings | Dual ball bearings | ||||
| Motor KV | 23000KV | 27000KV | 30000KV | |||
| Max Thrust
(GF 1219S-3) |
32g | 28.3g | 35.4g | 31.4g | 37.2g | 32.4g |
| Thrust Enhancement Rate | 13% | 12.7% | 14.8% | |||
| Weight (35mm connector included) | 1.45g | 1.42g | 1.47g | 1.44g | 1.55g | 1.52g |
| Weight (25mm cable included) | 1.38g | 1.35g | 1.4g | 1.37g | 1.48g | 1.45g |
| Shaft Diameter | 1mm | |||||
| Shaft Length | 4.2mm | |||||
| Motor Mount | 3*M1.4-EQS Ø6.6mm | |||||
| Input Voltage | 1S | |||||
| Cable | 35mm (Connector included) | |||||
PEEK Screws
PEEK Screws is the ultimate solution for lightweight whoop, taking more grams off the build. PEEK screws only weigh 0.10 grams/12pcs, it can save up to 0.46 grams for a build that is using metal screws, while still being stronger and more durable than nylon screws. With more heat resistance, anti-friction, anti-shock, and anti-fatigue properties, the PEEK Screws are both reliable and durable. They are perfect for building 65mm/75mm size drones, including the lightweight Meteor series drone.
Note: Ensure proper tightening force when securing the screw to avoid damaging the nut.
Propellers
For racing drones that require nimble and quick flight performance, the 1208 31mm 3-blade propeller is a suitable choice to pair with a 0702 II motor that has a value of either 27000KV or 30000KV. Alternatively, for freestyle drones that prioritize acrobatic maneuvers, the 1210 31mm 2-blade propeller is better suited for a 0702 motor with a value of 27000KV. The selection of appropriate propellers and motors is crucial to optimizing the flight performance of a racing drone, and can greatly enhance the overall racing experience for pilots.
Recommended Parts
- Propellers: GF 1210 2B Props, GF 1208 3B Props, GF 1219S 3B Props
- Frame: Air65 frame, Meteor65 Pro frame
- FC: Air FC, Matrix 1S 5IN1 FC
- Battery: LAVA 1S 260mAh, LAVA 1S 300mAh
Load performance of the 0702 II Brushless Motor:
Load performance of the 0702SE II Brushless Motor:
Package
- 4 * 0702 II / 0702SE II Brushless Motors
- 15 * M1.4*3 PEEK screws
- 12 * M1.4*3 metal screws
MAECENAS IACULIS
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Related products
Betafpv Air65 II Brushless Whoop Frame
For nearly two years, the Air65 Frame defined lightweight agility. Now, forged alongside our global pilot community, the 2.65g Air65 II Frame reimagines the form. Our R&D team deconstructed every arm brace, duct geometry, and crash point. The result? A radical yet refined frame: 4 arm braces replace 6, paired with optimized ducts and connecting structure. This shaves frame amplitude while adding 5% thrust and delivering near-perfect PID response.
Betafpv F4 2-3S 20A AIO FC V1
Bullet Point
- Designed for HD VTX, it features a dual 9V@2A for DJI O3 and 5V@3A for external device BEC solution to prevent screen blackout on the DJI O3 due to low voltage during throttle increase.
- It includes a new DJI O3 6-pin PMU for easy installation without soldering, reducing assembly complexity. Newbie friendly.
- The power range of 2-3S provides increased thrust and improved control with a 20A ESC featuring a single NMOS for continuous current capability.
- The upgraded onboard receiver allows selective power cutoff for saving power and offers additional UART TX3 and RX3 ports for connecting the external device.
- Redesigned solder pad layout ensures larger, more secure pads for easy and reliable soldering, while the relocated USB port at the rear facilitates computer tuning.
- It features an STM32F405RGT6 chip, Integrate Serial ELRS 2.4G receiver, 16M black box, barometer, current meter, reserve 3 complete serial ports and a standard SBUS, support GPS, HD VTX, external receiver, and other equipment.
Specification
- Weight: 5.58g (without motor connectors and power cable),5.92g (with motor connectors)
- Mounting Hole Size: 26mm x 26mm
- CPU*: STM32F405RGT6 (168MHz)
- Six-Axis: ICM42688P/ICM42605 (SPI connection)
- RX: Serial ELRS 2.4G Receiver
- RX firmware version: BETAFPV AIO 2400 RX ELRS V3.3.0
- Antenna: Enameled wire
- Blackbox Memory: 16MB
- Sensor: Barometer (BMP280/DSP310), Voltage & Current
- 5V BEC*: 5V 3A@8V supply
- 9V BEC*: 9V 2A@8V supply
- USB Port: SH1.0 4-Pin
- Built-in ESC with 20A continuous and peak 25A current
- ESC input voltage: 2-3S
- FC firmfware version: Betaflight_4.4.1_BETAFPVF405
- ESC firmware: C_X_70_48_V0.19.2.hex for BB51 Bluejay hardware
- Signal support: D-shot300, D-shot600
Diagram
Comparison
We upgraded the FC from F4 1S 12A AIO FC V3 to F4 2-3S 20A AIO FC V1. The upgraded FC features an ESC with a pulse overcurrent capacity of 25A, ensuring stable operation of the flight controller even in the event of motor stalling. The addition of a 9V 2A BEC power supply ensures the stable operation of the DJI O3 HD VTX when the battery voltage is low. It also includes a DJI O3 6-pin PMU allowing for connection to HD VTX without soldering. It integrates features such as a 16MB black box, with support for GPS, external receivers, and other devices. The redesigned solder pad layout and USB connector make installation and maintenance easier and more convenient.
| F4 1S 12A AIO FC V3 | F4 2-3S 20A AIO FC V1 | |
| Weight | 4.23g | 5.58g |
| BEC | 5V@3A for External RX | 5V@3A for External RX
9V@2A for DJI O3 |
| Connector for DJI O3 | Not support | Support |
| ESC Current | 12A | 20A |
| ESC Input Voltage | 1-2S | 2-3S |
| Number of Serial Ports | 2*UART, 1*SBUS | 4*UART, 1*SBUS |
Note: If you use the F4 2-3S 20A AIO FC V1, the serial port of the SBUS receiver is UART5 while F4 1S 12A AIO Brushless FC V3 is UART6.
F4 2-3S 20A AIO FC V1 also has extended the USB port to the end for easier parameter adjustment and wiring. And a new DJI O3 6-pin PMU has been added for convenient installation and maintenance.
FAQ
Power cutoff: Removing the chip bead disconnects the power supply, and to reuse the onboard ELRS receiver, soldering the solder pads together restores power.
UART3 release: Removing two resistors on the solder pads releases UART3. The left side is TX3, and the right side is RX3. To reconnect, solder the solder pads together when reusing the onboard ELRS receiver.
Voltage Switch: The HD VTX connector defaults to 9V. The chip bead is soldered between the 9V pad and the middle pad. To use WalkSnail Avatar HD mini 1s and Lite, please ensure the power supply voltage is 5V. Remove the chip bead first from the 9V pad and solder it between the middle pad and the 5V pad. Alternatively, you can use solder instead the chip bead to switch between the 5V and 9V pads.
Motor choice: Avoid selecting motors with excessively high KV ratings, as motors above 20,000KV are prone to burn.
Betaflight Firmware and CLI
Download the firmware and CLI dump file
Reference link:
ESC Firmware
With BB51 ESC solution, F4 2-3S 20A AIO FC V1 is based on BLHeliSuite16714903 with Bluejay ESC firmware, it supports bidirectional D-shot and RPM filtering in Betaflight, offers 24KHz, 48KHz, and 96KHz fixed PWM frequency for options, and custom start-up melodies. F4 2-3S 20A AIO FC V1 default factory setting is 48KHz and it doesn’t recommend upgrading the 96KHz, or it might cause an error in the motor idle setting, not spinning when disarmed.
DO NOT flash the firmware with a shorter interval, otherwise, there will be a certain chance of stalling and burning the flight controller.
- ESC-Configurator: https://preview.esc-configurator.com/
- Download BLHeliSuite16714903
- Download the Bluejay ESC firmware. Please choose C_X_70.HEX
Serial ELRS 2.4G RX
Serial ELRS 2.4G RX uses the Crossfire serial protocol (CRSF protocol) to communicate between the receiver and the flight controller board. So the Serial ELRS 2.4G RX is available to support upgrading to ELRS V3 with no need to flash Betaflight flight controller firmware.
- Enter binding status by power on/off three times.
- Plugin and unplug the flight controller three times;
- Make sure the RX LED is doing a quick double blink, which indicates the receiver is in bind mode;
- Make sure the RF TX module or radio transmitter enters binding status, which sends out a binding pulse;
- If the receiver has a solid light, it's bound.
The Serial ELRS 2.4G RX can be updated via Wi-Fi or Betaflight serial passthrough. Here is the way to update the Serial ELRS 2.4G RX firmware through passthrough.
- Plug in your FC to your computer, but do NOT connect to betaflight configurator.
- Choose target "BETAFPV 2.4GHz AIO RX".
- Flash using the BetaflightPassthrough option in ExpressLRS Configurator.
How to flash firmware via Wi-Fi here.
Connecting External Devices
Please note that the board reserves two serial ports and a standard SBUS port, which is available for the external CRSF protocol receiver or GPS module, and SBUS protocol receiver. You can refer to the below picture.
Recommend Parts
- Drones: Pavo20 Pro II, Pavo20 Pro, Pavo Pico, HX115 SE Toothpick Drone
Package
- 1 * F4 2-3S 20A AIO FC V1
- 4 * M2*10 Machine Screw
- 4 * M2*10 Nylon Screw
- 4 * M2 Nuts
- 4 * Shock Absorbing Ball
- 4 * JST1.25mm Angle Socket
- 4 * JST1.25mm Straight Socket
- 1 * SH1.0 4Pin Adapter Cable
- 1 * Type-C to SH1.0 Adapter
- 1 * XT30 Power Cord
- 1 * Filter Capacitor
- 1 * 30mm Double-head VTX connector wire
- 1 * 60mm Single-head VTX connector wire
Betafpv Pavo20 Pro Brushless Whoop Frame
The Pavo20 Pro Brushless Whoop Frame is tailored for the 2.2″ Pavo20 Pro cinewhoop, now with expanded compatibility to support the DJI O3 Air Unit, Caddx Vista, RunCam Link, and the latest DJI O4 Air Unit Pro—paired seamlessly with the O4 Pro Bracket for enhanced stability and versatility. Designed with a 93.7mm wheelbase and constructed from crash-proof PA12 thickened whoop ducts, this frame combines durability with aerodynamic efficiency, delivering an 8-11% thrust boost.
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