Winlet Global

Inspection Drone Specifications

Model no. PH1

This inspection drone is designed to meet demanding industrial requirements, offering stable flight performance, advanced safety features, and strong system integration. The prototype emphasizes long endurance, environmental resistance, and payload flexibility for inspection tasks such as powerline monitoring, facility surveys, and infrastructure inspection.

Key Highlights:

• Flight time ≥ 30 minutes

• Wind resistance: Beaufort Scale 6

• Vertical climb speed ≥ 5 m/s

• Effective payload: ~1 kg (camera, thermal imager, etc.)

• Compact foldable design for transport

• Modular construction for easy maintenance and upgrades

Flight & Control:

• Four-arm, four-rotor structure with 4006 brushless motors and 15” folding propellers.
• Precision flight control system with high-accuracy sensors and autopilot support.

Safety & Reliability:

• Automatic return-to-home on low battery.
• IP54 dust and water resistance.

Mission Support:

• Optical gimbal camera for stable imaging.
• 2.4GHz wireless communication system for extended range and stable data transmission.
• Integrated ground control station.

Airframe & Materials:

• Lightweight 3D-printed plastic shell for prototyping, optimized aerodynamic profile.
• Foldable 650 mm aluminum alloy frame for transport (size when folded: 371 × 200 × 191 mm).
• Waterproof joints for IP54 protection.

Power & Propulsion:

• 4-in-1 electronic speed controller (ESC) for rotor stability.
• High-efficiency motors and folding propellers for >30 min flight endurance.
• Swappable battery design with integrated power monitoring.

Onboard Systems:

• Flight controller with advanced algorithms for stability.
• GPS and optical flow sensor for indoor/outdoor positioning.
• Onboard computer supporting autonomous navigation.
• CAN bus expansion for sensors and payload integration.