Product overview
The T-MOTOR HEP-S 18*6.7 is a one-piece straight carbon fiber propeller for heavy-lift multirotor drones used in mountainous hoisting, field transportation and emergency response operations. It has an 18-inch (461.7mm) diameter, a 6.7-inch (170.2mm) pitch and a common thrust range of 1.4~2.4 kg at a common speed range of 3700~4900 RPM. Recommended maximum speed is 8000 RPM, and the limit speed is 9000 RPM. Recommended maximum thrust is 8 kg, with a limit thrust of 10 kg.
The glossy propeller uses resin-based carbon fiber composite with a PMI foam core, averaging 34 g per blade. Its optimized layup incorporates T1100-grade carbon fiber reinforcement in high-stress areas. The flange mount incorporates a Ø4mm center hole, a Ø12mm bolt circle and two Ø3mm mounting holes. Co-developed with T-MOTOR power type motors, it supports the MN505S KV380 with a recommended 6S supply and a recommended quadcopter takeoff weight of 7.7kg. Recommended motor solutions include MN505-S KV380, U7 KV420 and MN501-S KV360. Integrated molded QR identification supports traceability, while protective packaging provides transport protection.
