SIYI E6 Propulsion System

E6 Propulsion System – Power Meets Precision

The E6 is a high-performance, integrated propulsion system independently developed by SIYI Technology, specifically designed for drone platforms with a thrust range of 3 to 6 kg per rotor. With precise control and outstanding reliability, the E6 utilizes FOC vector control, dual throttle redundancy, a modular structure, potted and sealed components, intelligent data monitoring, error logging, and IPX6 protection. It is the ideal solution for industrial and agricultural drone applications.

Key Features

• 6 kg thrust per rotor
  • Efficiency up to 7.0 g/W
• Modular design
  • Maximum compatibility and simple integration
• High-efficiency centrifugal fan
  • For effective and rapid heat dissipation
• Integrated ESC with protection Features
  • Maximum safety and stability
• Extremely reliable
  • Over 1000 hours of continuous operation in lab tests
• Long-term stability
  • Tested with over 200 hours of flight time
• FOC-ESC for precision Control
  • Responsive, quiet, efficient, and stable
• Real-time feedback & error logging
  • For intelligent system diagnostics
• PWM & CAN interfaces
  • With redundant throttle control
• Wide system compatibility
  • Supports ArduPilot, PX4 Autopilot, and DroneCAN

Powerful Thrust – Effortless Control

With a recommended maximum thrust of 6 kg per rotor and up to 7.0 g/W efficiency, the E6 enables powerful yet energy-efficient flight.
Thanks to its dual redundancy, the system is especially reliable when carrying payloads and allows longer flight times with higher operational efficiency.

Compared to similar E-series Systems:

• +5.9% maximum thrust per rotor
• +9.0% recommended maximum thrust
• +50% improved ESC overcurrent capacity (with optimal cooling)

Optimized Propellers – Where Efficiency Meets Performance

The specially designed propellers with a large pitch angle and refined aerodynamics deliver high thrust while optimizing energy efficiency.
Made from carbon-fiber-reinforced nylon composite, they are exceptionally durable, corrosion-resistant, and low-maintenance.

FOC-ESC – Precision Flight Control

The electronic speed controller is based on FOC vector control, ensuring ultra-precise, quiet, and stable control – ideal for sensitive applications and professional use.

Modular & Ready-to-Use

The E6 system requires no additional assembly of individual components – it mounts directly onto the drone arm.
Pre-assembled, ready to use, and extremely maintenance-friendly.

Universal Voltage Platform

Compatible with operating voltages up to 63V, the E6 system supports a wide range of 12–14S LiHV batteries, making it highly adaptable to different operating conditions and power supply Systems.

Technical data

• Product Weight: 825g (with propellers)
• Voltage Platform: 12-14S (LiPo)
• Mounting Tube Diameter: Φ30mm
• Signal Support: CAN/PWM (Compatible with 5V/3.3V)
• Throttle Pulse Width: 1050-1950us (Fixed throttle)
• Operating Temperature: -20~50℃
• Protection Rating: IPX6
• Maximum Thrust (Single-axis): Maximum thrust 12.5kg (at sea level)
• Recommended Thrust (Single-axis): Recommended takeoff weight 3-6kg (at sea Level)

ESC

• Overcurrent Capability: 120A peak, maximum continuous current 70A
• Maximum Operating Voltage: 63V
• Communication Protocol: CAN

Motor

• Motor Stator Size: 62*18mm
• KV: 155KV

Propeller (foldable)

• Diameter * Pitch: 24*9.0
• Material: Carbon fiber nylon composite
• Weight: 109.6g
• Foldable/Direct Propeller: Foldable propeller

E6 Foldable Propeller Performance

• E6 Propulsion System (excluding Propellers)