Item no.	Voltage(V)	Prop size (inch)	Throttle	Loading Current (A)	Watts(W)	Thrust(g)	load RPM (RPM/Min)	Efficiencyg/w	Temperature under 10min full throst loading（℃）
U7  KV490	22.2	15	50%	9.3	208	1500	5300	7.211538462	50
			65%	18	390	2400	6600	6.153846154
			75%	25.6	550	3060	7500	5.563636364
			85%	33.3	715	3680	8100	5.146853147
			100%	39.8	839	4100	8500	4.886769964
		16	50%	10.3	229	1800	5100	7.860262009
			65%	19.5	424	2600	6200	6.132075472
			75%	26.6	573	3220	6840	5.619546248
			85%	35.2	746	3860	7420	5.174262735
			100%	48.1	989	4620	8000	4.671385238
		17	50%	12.6	279	2100	4840	7.52688172
			65%	23.9	516	3200	5860	6.201550388
			75%	32.3	688	3800	6400	5.523255814
			85%	42.4	885	4400	6900	4.971751412
			100%	55.9	1133	5100	7500	4.501323919
		18	50%	15	330	2420	4620	7.333333333
			65%	27.9	613	3500	5600	5.709624796
			75%	37.5	781	4200	6200	5.377720871
			85%	47.3	971	4680	6700	4.819773429
			100%	62.7	1241	5250	6900	4.230459307
	14.8	17	50%	7.1	103	1100	3500	10.67961165
			65%	12.9	189	1720	4300	9.100529101
			75%	18.5	264	2190	4900	8.295454545
			85%	24.7	346	2600	5300	7.514450867
			100%	30.3	417	3000	5640	7.194244604
		18	50%	8.4	124	1280	3420	10.32258065
			65%	15.6	225	2020	4200	8.977777778
			75%	21.8	308	2500	4650	8.116883117
			85%	29	401	2900	5100	7.2319202
			100%	34.6	470	3240	5370	6.893617021
			50%
			65%
			75%
			85%
			100%
			50%	ส่งให้เพื่อน