micro brushless 3,4 g

the smallest of the world for model airplane
weignt 3.4g . For 1 lipoly . Several wirings:
1)BL1_20: thrust 27g/0.9A@3.5V propeller GWS 5'*3' and 1 liplyo 145maH
2) or:
thrust 37g/1.9A@3.5V with GWS 4*2.5 and lipo160 or 220 or:
thrust 32g/1.4A@3.5V with GWS 3*2 and lipo 160
small propeller like U80 possible.

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