Cobra C4130/12 Motor Propeller Data
	Motor Wind		Motor Kv		No-Load Current		Motor Resistance		I Max	P Max (6S)
	12-Turn Delta		540 RPM/Volt		Io = 1.85 Amps @ 20v		Rm = 0.019 Ohms		65 Amps	1440 W
	Outside Diameter		Body Length		Total Shaft Length		Shaft Diameter		Motor Weight
	49.8 mm,  1.96 in.		61.8 mm,  2.43 in.		84.5 mm,  3.33 in.		6.00 mm,  0.236 in.		398 gm,   14.04 oz
	Prop	Prop	Input	Motor	Watts	Prop	Pitch	Thrust	Thrust	Thrust Eff.
	Manf.	Size	Voltage	Amps	Input	RPM	Speed	Grams	Ounces	Grams/W
	APC	11x10-E	18.5	30.54	565.0	8,607	81.5	1826	64.41	3.23
	APC	12x8-E	18.5	31.81	588.4	8,685	65.8	2202	77.67	3.74
	APC	12x10-E	18.5	38.31	708.8	8,440	79.9	2374	83.74	3.35
	APC	12x12-E	18.5	41.67	770.8	8,258	93.8	2210	77.95	2.87
	APC	13x6.5-E	18.5	35.53	657.3	8,561	52.7	3042	107.30	4.63
	APC	13x8-E	18.5	37.38	691.6	8,363	63.4	2932	103.42	4.24
	APC	13x10-E	18.5	51.69	956.2	8,042	76.2	2810	99.12	2.94
	APC	14x7-E	18.5	45.22	836.6	8,237	54.6	3564	125.72	4.26
	APC	14x8.5-E	18.5	46.55	861.2	8,200	66.0	3708	130.79	4.31
	APC	14x10-E	18.5	45.49	841.6	8,117	76.9	3414	120.42	4.06
	APC	14x12-E	18.5	66.61	1232.3	7,569	86.0	3062	108.01	2.48
	APC	15x4-E	18.5	35.28	652.7	8,561	32.4	3590	126.63	5.50
	APC	15x6-E	18.5	46.73	864.6	8,197	46.6	4156	146.60	4.81
	APC	15x8-E	18.5	48.62	899.4	8,139	61.7	4046	142.72	4.50
	APC	15x10-E	18.5	69.85	1292.1	7,486	70.9	4192	147.87	3.24
	APC	16x8-E	18.5	73.37	1357.4	7,268	55.1	4820	170.02	3.55
	MAS	12x6x3	18.5	26.28	486.2	8,776	49.9	2464	86.91	5.07
	MAS	12x8x3	18.5	37.02	684.9	8,380	63.5	3178	112.10	4.64
	MAS	13x8x3	18.5	42.25	781.7	8,325	63.1	3572	126.00	4.57
	MAS	14x7x3	18.5	48.03	888.6	8,011	53.1	4134	145.82	4.65
	MAS	14x9x3	18.5	58.21	1076.8	7,798	66.5	4666	164.59	4.33
	MAS	15x7x3	18.5	60.48	1118.9	7,731	51.2	4962	175.03	4.43
	Prop	Prop	Input	Motor	Watts	Prop	Pitch	Thrust	Thrust	Thrust Eff.
	Manf.	Size	Voltage	Amps	Input	RPM	Speed	Grams	Ounces	Grams/W
	APC	11x7-E	22.2	31.56	700.5	10,549	69.9	2790	98.41	3.98
	APC	11x8-E	22.2	34.93	775.4	10,401	78.8	2614	92.21	3.37
	APC	11x8.5-E	22.2	37.70	836.9	10,287	82.8	2678	94.46	3.20
	APC	11x10-E	22.2	43.34	962.0	10,081	95.5	2496	88.04	2.59
	APC	12x6-E	22.2	34.75	771.5	10,262	58.3	3266	115.20	4.23
	APC	12x8-E	22.2	43.46	964.9	10,073	76.3	3008	106.10	3.12
	APC	12x10-E	22.2	53.83	1195.0	9,691	91.8	3138	110.69	2.63
	APC	12x12-E	22.2	56.61	1256.6	9,592	109.0	2992	105.54	2.38
	APC	13x6.5-E	22.2	50.57	1122.5	9,808	60.4	4022	141.87	3.58
	APC	13x8-E	22.2	54.02	1199.3	9,682	73.3	4010	141.45	3.34
	APC	13x10-E	22.2	71.02	1576.6	9,098	86.2	3660	129.10	2.32
	APC	14x7-E	22.2	63.86	1417.8	9,337	61.9	4692	165.50	3.31
	APC	15x4-E	22.2	50.17	1113.8	9,826	37.2	5006	176.58	4.49
	APC	15x6-E	22.2	65.84	1461.6	9,286	52.8	5350	188.71	3.66
	MAS	11x7x3	22.2	32.31	717.2	10,503	69.6	3028	106.81	4.22
	MAS	11x8x3	22.2	36.00	799.2	10,357	78.5	3230	113.93	4.04
	MAS	12x6x3	22.2	36.47	809.5	10,339	58.7	3522	124.23	4.35
	MAS	12x8x3	22.2	51.37	1140.3	9,800	74.2	4470	157.67	3.92
	MAS	13x8x3	22.2	54.99	1220.8	9,518	72.1	4799	169.28	3.93
	MAS	14x7x3	22.2	65.50	1454.1	9,292	61.6	5697	200.95	3.92
	MAS	14x9x3	22.2	76.68	1702.3	8,924	76.1	6237	220.00	3.66
	Prop	Prop	Input	Motor	Watts	Prop	Pitch	Thrust	Thrust	Thrust Eff.
	Manf.	Size	Voltage	Amps	Input	RPM	Speed	Grams	Ounces	Grams/W
	APC	11x5.5-E	29.6	46.58	1378.9	13,436	70.0	4164	146.88	3.02
	APC	11x7-E	29.6	55.60	1645.8	13,087	86.8	4285	151.15	2.60
	APC	11x8-E	29.6	58.17	1721.7	12,766	96.7	4010	141.45	2.33
	APC	11x8.5-E	29.6	64.32	1903.9	12,727	102.4	4167	146.99	2.19
	APC	11x10-E	29.6	71.61	2119.6	12,488	118.3	3899	137.53	1.84
	APC	12x6-E	29.6	64.38	1905.7	12,737	72.4	5164	182.15	2.71
	APC	13x4-E	29.6	52.06	1541.0	13,214	50.1	5431	191.57	3.52
	MAS	10x5x3	29.6	28.87	854.4	14,283	67.6	3248	114.57	3.80
	MAS	10x7x3	29.6	42.13	1247.0	13,668	90.6	4179	147.41	3.35
	MAS	11x7x3	29.6	50.84	1504.9	13,287	88.1	4914	173.33	3.27
	MAS	11x8x3	29.6	56.77	1680.4	13,042	98.8	4891	172.52	2.91
	MAS	12x6x3	29.6	57.71	1708.1	13,016	74.0	5740	202.47	3.36
	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.  The test voltages used are based on a properly sized Li-Po battery for the current
	draw of the motor being tested.  If you are using a larger than normal capacity battery, or a very
	high C-Rated battery, your actual voltages will be higher than those shown in this chart, and this
	will result in higer current draw for each prop used.  You should always test your power system
	with a watt meter whenever a prop is used to ensure that you are not exceeding the recommended
	rating of the motor being used.  The prop recommendations in this chart are based on the motor
	receiving adequate cooling throughout its operation.  If your motor is being used inside a cowl, you
	must provide adequate cooling to the motor and make sure that the motor is not getting too hot
	during operation.