Titanium Alloy hollow shaft
N52H arc magnets
Stator: 0.15mm Kawasaki silicon steel
Bearings: NMB 6x3x2.5mm
Base casing: Al 7075
This is the perfect motor for a 4" tri-blade racing quadcopter. Brother Hobby has developed the 1806 R4 "Returner" Brushless Motors from thousands of hours of flight time, and pilot feedback. Now in a smaller little brother with big punch due to its light weight. 2850kv Perfect for 4" rigs or light weight 5" racers. Returner motors was no easy task, but the R4 is now the new standard in lightweight FPV motor selection. Featuring a 7075 machined aluminum body, N52H "arc" magnets, 0.15 silicon steel stator laminations, larger bearings for improved durability, and an internal 4mm hollow shaft allow every ounce of performance and durability. Package contains one motor with aluminum lock nut and four M3 x 6mm mounting screws.
1× Returner R4 1806 2850KV Motor