HappyModel Crux35 ELRS V2 (URAT ELRS) - 3.5inch 4S FPV Freestyle Racing Drone Quadcopter
SPECIFICATIONS
Aerial Photography: No
Anti-wind Ability: /
Brand Name: NONE
Camera Mount Type: Other
Control Channels: 2 CHANNELS
Controller Battery: /
Controller Mode: MODE1,MODE2
Drone Weight: /
Flight Time: <5
High-concerned chemical: None
Indoor/Outdoor Use: Indoor-Outdoor
Is Batteries Included: No
Is Electric: No Battery
Material: Plastic
Model Number: Crux35
Origin: Mainland China
Package Includes: Original Box
Recommend Age: 14+y
Remote Control: No
Remote Distance: /
Takeoff Weight: /
Transit Time (Days): /
Video Capture Resolution: Other

NOTICED: SPI ELRS version Crux35 were discontinued. The new ELRS V2 version comes with CrazyF411 ELRS AIO flight controller built-in UART ExpressLRS receiver.
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 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 analog version is equipped with CADDXFPV Ant ant camera.
The receiver version can be UART 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.
Features:
Ultra-lightweight 3.5-inch BNF FPV Freestyle Drone
HD video transmission and analog video transmission are optional
Integrated ExpressLRS UART 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
Specifications:
Brand: Happymodel
Product name: Crux35
Wheelbase: 150mm
Weight: Crux35 87gram
Size: 130mmx130mmx45mm(without propellers)
Receiver option: UART ExpressLRS 2.4GHz
SPI Frsky D8/D16 (S-FHSS compatible)
Camera and VTX option:
Analog version Ant+OVX303 or OVX306 VTX
Flying time: 9min~15min 4s 750mah battery
Package includes:
|
Item Name |
Crux35 |
Crux35 HDZERO |
Crux35 HD DJI |
|
Crux35 Frame |
1 |
1 |
1 |
|
Option1: ELRS X1 FC with SPI ELRS(Discontinued) |
1 |
1 |
1 |
|
Option2:CrazyF411 ELRS FC with UART ELRS |
|||
|
Option3: CrazyF411 FRSKY FC SPI Frsky |
|||
|
CaddxFPV Digital HD Camera Nebula Nano Kit
Or Runcam Link Wasp Nano |
0 |
0 |
1 |
|
HDZERO Whoop VTX+ Rucam HDZERO Camera |
0 |
1 |
0 |
|
Analog FPV Camera Caddx Ant |
1 |
0 |
0 |
|
Happymodel OVX303 5.8G analog VTX |
1 |
0 |
0 |
|
Happymodel EX1404 KV3500 brushless motor |
4 |
4 |
4 |
|
HQProp T3.5X2X3Grey (4cw+4ccw) |
1 |
1 |
1 |
|
Screw Driver |
1 |
1 |
1 |
|
Buckle Velcro for battery |
1 |
1 |
1 |
|
Motor |
Mode: EX1404 |
|
|
Propellers |
Propeller Diameter: 3.5 inch |
|
|
Flight controller
(UART ELRS Version) CrazybeeF411 ELRS |
|
|
|
Flight controller
(SPI ELRS Version) ELRS X1 (Discontinued) |
MCU:STM32F411CEU6 (100MHZ, 512K FLASH) |
|
|
Flight controller |
MCU:STM32F411CEU6 (100MHZ, 512K FLASH) |
|
|
Onboard 4in1 ESC |
MCU upgraded to EFM8BB21 |
|
|
Onboard UART ExpressLRS 2.4GHz Receiver( UART ELRS version) |
Packet Rate option: 25Hz/50Hz/150Hz/250Hz/500Hz |
|
|
Onboard SPI Frsky 2.4GHz receiver (Frsky Version) |
SPI BUS receiver |
|
Caddx ANT 1200tvl camera
(Analog version) |
Image Sensor: 1/3″ CMOS Sensor |
|
OVX303 5.8Ghz VTX |
Model: OVX303 |
|
OVX306 5.8Ghz VTX |
Model: OVX306 |











Details
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