CRUX35 is an ultra-lightweight 3.5Inch FPV Freestyle FPV Racing Drone, the weight of the whole drone is only 108g for the digital HD 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 HD version is equipped with Runcam Nano Camera and Link HD image transmission system.

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 Digital 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 Nebula Nano Camera + Vista 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

(Digital HD version)

Runcam Link Nano Kit
Weight(camera included]: 24g
Antenna: 2.3g
Dimensions: Vista Kit 30×29×13mm
Camera 14×14×21mm
Operating Frequency: 5.725-5.850GHz
Transmitter Power[EIRP]: FCC/SRRC/MIC:<30dBm
CE:<14dBm
Min.latencylend-to-end) 720p 60fps:32ms
Max.Transmission Distance FcC/SRRC: 4km
CE:0.7km
lnput Power: 7.4-26.4V
Power Output: 25mW/200mW/500mW/700mw
Goggles : Work with DJl goggles
Camera
Sensor: 1/3”CMOS
Lens:2.1mm,f/2.1
Shutter: Rolling
shutterFOV:142°(D);122°(H);75°(V)
LHCP antenna

Package Includes:

1 x Crux35 Frame
1 x CrazyF411 ELRS FC with UART ELRS
1 x Runcam Link HD Nano Camera
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 HD ELRS V2 2.4GHz 4S Digital Runcam Link Nano Camera Micro Freestyle FPV Drone - BNF