Skip to content


Happymodel Crux35 HD version Nebula+Vista 3.5 Inch 4S EX1404 KV3500 Micro Freestyle FPV Racing Drone

SKU 6852621
Sold out
Original price $269.00 - Original price $276.00
Original price
$269.00 - $276.00
Current price $276.00
Receiver: SPI ExpressLRS 2.4GHz Receiver
Shipping Methods & Delivery Times

We offer three shipping methods:
1) Free Standard Shipping - takes 7-20 working days (except remote areas) and requires a remote fee for those areas.
2) Expedited Shipping - takes 4-10 working days and requires an additional fee. Contact us if you want to use express shipping.
3) Ocean Shipping (for USA only) - takes 18-35 working days. Contact us if you want to use sea shipping.

Happymodel Crux35 HD version

CRUX35 HD is an ultra-lightweight 3.5Inch FPV Freestyle FPV Racing Drone, the weight of the whole drone is only 87g for the analog version and 108g for the digital HD version. The Crux35 serials drone use 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 CADDXFPV Nebula and Vista HD image transmission system. 
The receiver version can be SPI ExpressLRS and SPI Frsky (S-FHSS compatible) for choose.

ExpressLRS is the most popular RC link system by now , it could performance very well with Crux35 and Crux35 HD.

Ultra-lightweight 3.5-inch BNF FPV Freestyle Drone
HD video transmission 
Integrated ExpressLRS SPI receiver or Frsky SPI D8/D16 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(The battery not Include)

Recommend Battery:GNB 1100Mah 4S 15.2V 60C/120C Lihv Lipo Battery with XT30 Plug

Brand: Happymodel
Product name: Crux35 HD
Wheelbase: 150mm
Weight: Crux35 HD 108gram
Size:130mmx130mmx45mm(without propellers)
Receiver option: SPI ExpressLRS 2.4GHz
                           SPI Frsky D8/D16 (S-FHSS compatible)
HD version Nebula+Vista
Flying time: 9min~15min 4s 750mah battery(The battery not Include)

Mode: EX1404
KV options: KV3500
Stator Diamter:14mm
Stator Length:4mm
Shaft Diameter: Φ1.5mm
Motor Dimension(Dia.*Len):Φ15mm*15mm

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(ELRS Version)
MCU:STM32F411CEU6 (100MHZ, 512K FLASH)
Sensor: MPU-6000(SPI connection)
Mount pattern: 20x20 M2
Power supply: 2-4S Lipo battery
Built-in 12A Blheli_s ESC each
Built-in Betaflight OSD(SPI Control)
Built-in SPI ExpressLRS 2.4GHz receiver
Built-in 5V 1A BEC
Flight controller firmware target: CRAZYBEEF4SX1280

Flight controller(Frsky version)
MCU:STM32F411CEU6 (100MHZ, 512K FLASH)
Sensor: MPU-6000(SPI connection)
Board size: 28.5 * 28.5MM
Power supply: 2-4S battery input (DC 8V-17V)
Built-in 20A(each) Blheli_S 4in1 ESC Dshot600 ready
Built-in Frsky D8/D16 SPI receiver
Built-in 2.4G Power Amplification
Built-in Betaflight OSD(SPI Control)
Built-in Current meter
Built-in 5V 1.5A BEC
Built-in voltage detection
Firmware target: MATEKF411RX

Onboard 4in1 ESC
MCU upgraded to EFM8BB21
Power supply: 1S LiPo/LiPo HV
Current: 5A continuous peak 6A (3 seconds)
Support BLHeliSuite programmable
Factory firmware: O_H_5_REV16_8.HEX
Default protocol: DSHOT300

Onboard SPI ExpressLRS 2.4GHz Receiver(ELRS version)
Packet Rate option: 25Hz/50Hz/150Hz/250Hz/500Hz
RF Frequency: 2.4GHz
Antenna : SMD antenna
Telemetry output Power: <12dBm
Receiver protocol to flight controller:  CRSF
Could bind with Happymodel ES24TX , ES24TX Lite, ES24TX Slim and DIY 2.4GHz ELRS TX module

Onboard SPI Frsky 2.4GHz receiver(Frsky Version)
SPI BUS receiver
Frsky D8/D16/EU-LBT/, Futaba S-FHSS switchable on Betaflight
Channels: 8ch/16ch
Dual antenna
Failsafe support
No ground interference ( Transmitter and receiver 1 m from the ground): 400m

CaddxFPV Digital HD Camera Nebula Nano Kit
(Digital HD version)
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
Min.latencylend-to-end) 720p 60fps:32ms
Max.Transmission Distance FcC/SRRC: 4km
lnput Power: 7.4-26.4V
Power Output: 25mW/200mW/500mW/700mw
Goggles : Work with DJl goggles
Sensor: 1/3”CMOS
LHCP antenna

Package Included:
1*Crux35 Frame
Option1: ELRS X1 flight controller
Option2: CrazyF411 flight controller
CaddxFPV Digital HD Camera Nebula Nano Kit
1*Happymodel OVX303 5.8G analog VTX
4*Happymodel EX1404 KV3500 brushless motor
1*HQProp T3.5X2X3Grey (4cw+4ccw)
1*Screw Driver
1*Buckle Velcro for battery