3" Quad Specs

Crux35 Frame

Brand: Happymodel
Material: 3K carbon fiber
Type: 3.5 inch Frame
Wheelbase: 150mm
Bottom plate thickness: 3mm
Weight: 26gram
Flight control installation hole: 25.5mmx25.5mm and 20mmx20mm with M2 hole

Support camera: 14mm

CurxF405 HD ELRS AIO Flight controller

Flight Controller

GYRO Sensor: ICM42688  (SPI connection)
Mount hole size: 20mm*20mm

Power supply: 2~4S battery input (DC 8.7V-17.4V)

Built-in 20A(each) Blheli_S 4in1 ESC

Built-in Serial ExpressLRS 2.4G (Default connected to UART2)

Built-in BMP280 Barometer

Built-in 8MBp blackbox

Built-in voltage meter sensor , voltage meter scale 110

Built-in current meter sensor , current meter scale 470

Flight controller firmware target: BETAFLIGHTF4

Onboard 4in1 ESC

MCU upgraded to EFM8BB21
Power supply: 2-4S LiPo/LiPo HV (7v/17v)
Currents: 20A continuous peak 25A (5 seconds)
Support BLHeliSuite programmable
Factory firmware: Bluejay 0.19.2
Firmware target: F_H_40_48_v0.19.2
Default protocol: DSHOT150/DSHOT300/DSHOT600

Onboard UART ExpressLRS 2.4GHz Receiver

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

Happymodel EX1404 KV3500 brushless motor

Mode: EX1404
KV option: KV2750 KV3500 KV4800
Configu-ration:9N12P
Stator Diamter:14mm
Stator Length:4mm
Shaft Diameter:Φ1.5mm
Motor Dimension(Dia.*Len):Φ17.8mm*17.6mm
Weight(g):8.7g
No.of Cells(Lipo):
KV2750 compatible with 4S Lipo
KV3500 compatible with 3-4S Lipo
KV4800 compatible with 3S Lipo

HDZero Race v3 VTX

HDZero Nano 90 Camera

• Resolution: 540P@90fps 4:3 | 720P@60fps 4:3
• Dimensions: L18mm*W14mm*H18mm
• Lens: FOV D:160° H:127° V:92°
• Net Weight: 5.2g(without cable)
• Shutter: Rolling Shutter
• Image Sensor: 1/3"

EMAX AVAN Scimitar 3.5x2.8x3 Propeller