T-Motor Navigator MN501-S Waterproof Motor

The T-Motor Navigator MN501-S is a waterproof outrunner motor, offered in 300KV and 360KV windings, built for agricultural, mapping and heavy-lift multirotor platforms that need a sealed build.

Key features

• IP45-rated bell housing with a centrifugal cooling design resists dust, water and corrosion for outdoor agricultural work.
• 300KV winding is rated for 6-8S LiPo and delivers up to 5.2kg of maximum thrust.
• Matched to 20-22 inch propellers, with T-Motor recommending its own AIR 40A ESC.
• Rated for roughly 1,000 hours MTBF, with a 4mm output shaft and 170g weight including cable.
• Suited to cargo drones, tethered platforms, mapping and inspection aircraft alongside agricultural sprayers.

Specifications

• KV: 300KV or 360KV
• Rated voltage: 6-8S LiPo (300KV); 6S LiPo (360KV)
• Max thrust: 5.2kg (300KV)
• Peak current / max power (360KV, 180 s): 40 A / 1000 W
• Recommended propeller: 20-22 inch (300KV); 17-18 inch (360KV)
• Configuration: 24N28P
• Motor size: Ø55.6 x 33.9mm
• Shaft diameter: 6 mm inner, 4mm (output)
• Lead wire: 16AWG silicone, 150 mm
• Weight: 170g (300KV) / 175 g (360KV), including cable
• Ingress protection: IP45

Pair it with a 20-22 inch propeller, a 40A-class ESC and a battery matched to the complete airframe's power budget.