I9

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I9 Integrated Electric Power System

The preferred solution for 18~20kg multirotor drones

MOTOR

14S FOC 50A

ESC

I36

PROPELLER

I9 Recommendations

Take-off weight

18~20kg

Quadcopter

Take-off weight

26~28kg

Hexacopter

Technical Drawing

System Specs

Model No.	I9 KV68
Setup	I9 (Motor)+14S FOC 50A (ESC)+I36 (Prop)
Recommended battery	12~14S (LiPo)
Rated thrust	4~4.5kg
Efficiency at rated thrust	12.5g/W (4.5kg)
Max. thrust	15kg
Tube size	50mm
Wire length	650±5mm
Weight	994±1%g (Incl. wires+prop)
IP	IP46
Recommended ambient temperature	-30～50℃

Motor Specs

KV	68

ESC Specs

Throttle range	1050~1950us (Fixed)
Protocol	DRONE CAN, UAV CAN
Control method	PWM/CAN
Max. voltage	61V
Peak current(for a short time)	50A(Open environment and temperature≤60℃)
BEC	NO

Prop Spec

Model No.	I36 (Folding carbon fibre propeller)
Length	36 Inch (920mm)

Test Data

Type	Voltage (V)	Throttle (%)	Current (A)	Thrust (g)	Motor efficiency (%)	Overall efficiency (g/W)	Operating temperature (℃)
I9 KV68 + 14S FOC 50A + I36	56.03	30%	1.87	1916	80.65	18.32	103 (Ambient temperature: 30)
	55.99	35%	2.99	2741	84.09	16.37
	55.97	40%	4.24	3446	83.07	14.53
	55.93	45%	5.46	4128	84.08	13.53
	55.91	50%	6.88	4796	83.92	12.47
	55.84	55%	9.16	5786	82.87	11.31
	55.78	60%	11.58	6807	83.35	10.54
	55.73	65%	14.26	7792	83.41	9.8
	55.66	70%	17.12	8818	83.27	9.26
	55.57	75%	20.29	9841	83.00	8.73
	55.48	80%	23.78	10880	82.63	8.25
	55.37	85%	27.53	11929	81.98	7.83
	55.27	90%	31.62	12945	81.07	7.41
	55.16	95%	35.98	13966	80.27	7.04
	54.99	100%	41.72	15251	79.17	6.65
Note: Motor temperature is the motor surface temperature at 80% throttle running 3mins. (Data above based on IPET SYSTEMS benchtest are for reference only. Final interpretation rights reserved by IPET SYSTEMS.)

Thrust-Efficiency Curve

Contents


Please check that your package contains all the above items before use. If something is missing, please contact online customer service or leave message to：info@ipetsystem.com