CRUX35 is an ultra-lightweight 3.5Inch FPV Freestyle FPV Racing Drone, the weight of the whole drone is only 87g for the analog version. The Crux35 drone uses Happymodel EX1404 high-efficiency motor and HQPROP 3.5-inch three-blade propeller to ensure the largest thrust-to-weight ratio under the most efficient premise, which can bring you a smooth Freestyle flying experience.

The analog version is equipped with CADDXFPV Ant ant camera.

The receiver version is the UART ExpressLRS ( SPI version is discontinued )

Recommended (Not Included): Battery 4S 14.8v 750mAh to maximum 1100mAh.

You can choose from our Compatible 4S Lipo Packs here

Check out The HappyModel Crux35 Frame and Parts Collection, all our Analog BNF Drones and the rest of our Happymodel Products!

Features

Ultra-lightweight 3.5-inch BNF FPV Freestyle Drone
Integrated ExpressLRS UART receiver
High efficiency EX1404 power system
Can be equipped with Naked Gopro or SMO4K
Support 3-4S battery 4S 750mah battery is recommended, maximum support 4S 1100mah

Specifications

Wheelbase: 150mm
Weight: Crux35 87gram
Size: 130mmx130mmx45mm(without propellers)
Receiver: UART ExpressLRS 2.4GHz
Caddx Ant Camera +OVX303 or OVX306 VTX
Flying time: 9min~15min 4s 750mah battery

Motor

Model: EX1404
KV options: KV3500
Configu-ration:9N12P
Stator Diamter:14mm
Stator Length:4mm
Shaft Diameter: Φ1.5mm
Motor Dimension(Dia.*Len):Φ15mm*15mm
Weight(g):9g

Propellers

Propeller Diameter: 3.5 inch
Pitch : 2
Blades : 3
Material : Poly Carbonate
Weight : 1.5g
Hub Diameter : 10mm
Hub Thickness:4.7mm
Shaft :1.9/1.5/1.9mm
Adaptor Rings : NO

Flight controller

(UART ELRS Version)
CrazybeeF411 ELRS
MCU:STM32F411CEU6 (100MHZ, 512K FLASH)
Sensor: ICM42688P or BMI270 (SPI Control)
Mount pattern: 25.5×25.5 M2
Size:32*32*5mm
Power supply: 2-4S Lipo battery
Built-in 20A Blheli_s ESC each
Built-in Betaflight OSD(SPI Control)
Built-in UART ExpressLRS 2.4GHz receiver
Built-in 5V 1.5A BEC
Flight controller firmware target: CRAZYBEEF4DX

Onboard 4in1 ESC

MCU upgraded to EFM8BB21
Power supply: 2-4S LiPo/LiPo HVCurrent: 12A continuous peak 15A (3 seconds)
Support BLHeliSuite programmable
Factory firmware: F-H-40
Default protocol: DSHOT300

Onboard UART ExpressLRS 2.4GHz Receiver

Packet Rate option: 25Hz/50Hz/150Hz/250Hz/500Hz
RF Frequency: 2.4GHzAntenna plug: IPEX
Telemetry output Power: <12dBm
Receiver protocol: CRSF
Default firmware version: ExpressLRS V3.0.1

(Analog version)
Caddx ANT 1200tvl camera

Image Sensor: 1/3″ CMOS Sensor
Horizontal Resolution: 1200 TVL
TV System: NTSC or PAL
IMAGE: 16:9 or 4:3
Synchronization: Internal
Electronic Shutter: PAL: 1/50~100,000; NTSC: 1/60~100,000
S/N Ratio : >52dB (AGC OFF)
Video Output: CVBS
Lens: 1.8mm
Min. Illumination: 0.001Lux@F1.2
Auto Gain Control: YES
BLC: YES
WDR: Global WDR
DNR: 3D DNR
Dimensions: 14*14mm(with bracket to 19*19mm)
Wide Power Input: DC 3.7-18V
Work Temperature: -20℃~+60℃
Weight: 2g (N.W.)

OVX303/306 5.8Ghz VTX

Model: OVX303/306
Frequency: 5.8G 40CH
Transmitting Power: 0/RCE/25mw/100mw/300mw
Power supply: DC 5V
Current (5v): <650ma (300mw)
Weight: 1.5gram without antenna

Package Includes:

1 x Crux35 Frame
1 x CrazyF411 ELRS FC with UART ELRS
1 x Caddx Ant Camera
1 x Happymodel OVX303/306 5.8G analog VTX
4 x Happymodel EX1404 KV3500 brushless motor
1 x HQProp T3.5X2X3Grey (4cw+4ccw)
1 x Screw Driver
1 x Buckle Velcro for battery

Happymodel Crux35 Analog ELRS V2 2.4GHz 4S with Caddx Ant Camera Micro Freestyle FPV Drone - BNF