No. Of cells		RPM/V	Max. efficiency current	NoLoad current/ 10 V	Current capacity
	Ni-MH	Li-Poly
A2217/7	6-10	2-3	1400 KV	10 - 27 A (>75%)	0.5 A	30 A /60 s
A2217/9	8-12	3-4	1080KV	9 - 20 A (>75%)	0.5 A	25 A /60 s
A2217/12	6-10	2-3	840KV	9 - 15 A (>75%)	0.5A	15A/60s

	Max. efficiency	Shaft diameter (mm)	Weight with cables	Internal Resistance	Dimensions (inch)
A2217/8	79%	3 mm	80g/2.82 oz	65 m?	1.08X1.18
A2217/9	81%	3 mm	80g/2.82 oz	84 m?	1.08X1.18
A2217/12	80%	3mm	80g/2.82 oz		1.08X1.18

Recomended model weight

Recomended prop without gearbox

A2217/7	10-28 oz.	2S 1047	3S 9050
A2217/9	10-28 oz.	2S 1147	3S 1060