BrotherHobby R4 2206 2300KV Motor
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The Returner R4 motor by BrotherHobby is the next iteration of its highly popular Returner series. The R4 builds upon the success of its previous generations by adding a 4mm titanium alloy hollow shaft to improve strength and reduce weight. A redesigned stator with 0.15 lamination’s as used in their Tornado series. An M2.5 retaining screw that does away with the C-clip. And last but not least larger 4X9X4mm EZO bearings for smoother running and improved durability.
The bell and the base are machined from high grade 7075 Aluminum Alloy making these motors both strong and very light. As with previous generations the R4 continues the use of N52H arc magnets which are very powerful and temperature resistant.