Cobra CM-2204/28 Motor Propeller Data
	Magnets	Motor Wind		Motor Kv		No-Load Current		Motor Resistance		I Max	P Max (3S)
	14-Pole	28-Turn Delta		2300 RPM/Volt		Io = 0.66 Amps @ 10v		Rm = 0.084 Ohms		17 Amps	190 W
	Stator	Outside Diameter		Body Length		Total Shaft Length		Shaft Diameter		Motor Weight
	12-Slot	27.0 mm,  1.063 in.		14.2 mm,  0.559 in.		32.5 mm,  1.146 in.		3.00 mm,  0.118 in.		24.6 gm,   0.87 oz
	Test Data From		Input	6.0 V	8.0 V	10.0V	12.0V	Measured Kv value		Measured Rm Value
	Sample Motor		Io Value	0.50 A	0.58 A	0.66 A	0.74 A	2190 RPM/Volt @ 10v		0.084 Ohms
	Prop	Prop	Li-Po	Input	Motor	Input	Prop	Pitch Speed	Thrust	Thrust	Thrust Eff.
	Manf.	Size	Cells	Voltage	Amps	Watts	RPM	in MPH	Grams	Ounces	Grams/W
	APC	5.25x4.75-E	3	11.1	16.14	179.2	18,222	82.0	481	16.97	2.68
	APC	5.5x4.5-E	3	11.1	16.78	186.3	18,069	77.0	500	17.64	2.68
	APC	6x4-E	3	11.1	18.04	200.2	17,530	66.4	673	23.74	3.36
	FC	5x4.5	3	11.1	10.58	117.4	20,222	86.2	474	16.72	4.04
	FC	5x4.5x3	3	11.1	15.05	167.1	18,618	79.3	578	20.39	3.46
	FC	6x4.5	3	11.1	18.61	206.6	17,230	73.4	762	26.88	3.69
	GemFan	5x3	3	11.1	8.00	88.8	21,190	60.2	431	15.20	4.85
	GemFan	5x3x3	3	11.1	9.21	102.2	19,869	56.4	421	14.85	4.12
	HQ	4x4.5-BN	3	11.1	9.14	101.5	19,478	83.0	355	12.52	3.50
	HQ	5x3	3	11.1	5.74	63.7	20,381	57.9	330	11.64	5.18
	HQ	5x4	3	11.1	8.39	93.1	19,705	74.6	431	15.20	4.63
	HQ	5x4x3	3	11.1	11.61	128.9	18,680	70.8	535	18.87	4.15
	HQ	5x4.5-BN	3	11.1	14.46	160.5	17,669	75.3	565	19.93	3.52
	HQ	6x3	3	11.1	8.97	99.6	19,516	55.4	496	17.50	4.98
	HQ	6x4.5	3	11.1	16.94	188.0	16,673	47.4	717	25.29	3.81
	Prop	Prop	Li-Po	Input	Motor	Input	Prop	Pitch Speed	Thrust	Thrust	Thrust Eff.
	Manf.	Size	Cells	Voltage	Amps	Watts	RPM	in MPH	Grams	Ounces	Grams/W
	GemFan	5x3	4	14.8	9.19	136.0	23,777	67.5	547	19.29	4.02
	HQ	4x4.5-BN	4	14.8	13.35	197.6	23,754	101.2	543	19.15	2.75
	HQ	5x3	4	14.8	7.97	118.0	24,331	69.1	480	16.93	4.07
	HQ	5x4	4	14.8	11.85	175.4	23,437	88.8	652	23.00	3.72
	HQ	5x4x3	4	14.8	16.64	246.3	22,648	85.8	800	28.22	3.25
	HQ	5x4.5-BN	4	14.8	20.51	303.5	21,186	90.3	813	28.68	2.68
	HQ	6x3	4	14.8	13.53	200.2	23,487	66.7	768	27.09	3.84
	Propeller Chart Color Code Explanation
		The prop is to small to get good performance from the motor. (Less than 50% power)
		The prop is sized right to get good power from the motor. (50 to 80% power)
		The prop can be used, but full throttle should be kept to short bursts. (80 to 100% power)
		The prop is too big for the motor and should not be used. (Over 100% power)
	PLEASE NOTE:
	The Data contained in this Prop Chart is based on actual measurements, taken in a controlled test environment, at an altitude of
	512 feet above sea level.  The test voltages used are based on the standard output of a Li-Po battery under load, which is 3.70 volts
	per cell.  If you are using a battery that is larger in capacity than normal, or has a very high C-rating, then your actual voltages will
	be higher than those shown in the chart, and this will result in a higher current and power value for every prop used.  You should
	always test your actual power system with a watt meter before flying your model to make sure that you are not exceeding the
	recommended current and power ratings of the motor being used.  The prop recommendations in this chart assume that the motor
	receives adequate cooling throughout its operation.  If your motor is being used inside a cowl or fuselage, you must ensure that
	the motor receives sufficient airflow, and does not get too hot during operation.  It is always best to use a prop size that pulls no
	more than 80% of the motors maximum recommended current value to ensure safe operation under all conditions.