
S1 / RED
X9 MOTORS & PROPS
- Airframe: EFT M420
- Motors / Props: Hobbywing X9
- Battery: 14S 40,000 mAh (OKCELL)
- Flight Controller: Pixhawk 6C / ArduCopter 4.6.3
- Test Profile: Loiter / Cleaning Mission Profile
S2 / BLUE
X9 PLUS MOTORS & PROPS
- Airframe: EFT M420
- Motors / Props: Hobbywing X9 Plus
- Battery: 14S 40,000 mAh (OKCELL)
- Flight Controller: Pixhawk 6C / ArduCopter 4.6.3
- Test Profile: Loiter / Cleaning Mission


ENGINEERING WHITE PAPER
SA-WP-001 Rev 0
Comparative Flight Evaluation of M420 Industrial UAV Platforms
Using X9 and X9 Plus Propulsion Systems
This preliminary engineering white paper presents initial flight test results comparing the S1 (X9) and S2 (X9 Plus) M420 configurations. It includes propulsion demand, control performance, vibration, energy analysis and operational implications.
