BadAss BA-4520-660 Performance Test Data
Magnets Motor Wind Motor Kv No-Load Current Motor Resistance I Max P Max (6S)
14-Pole 10-Turn Delta 660 RPM/Volt Io = 3.06 Amps @ 10v Rm = 0.011 Ohms 100 Amps 2220 W
 
Stator Outside Diameter Body Length Total Shaft Length Shaft Diameter Motor Weight
12-Slot 55.0 mm, 2.165 in. 52.3 mm, 2.059 in. 75.0 mm, 2.953 in. 8.00 mm, 0.315 in. 396 gm, 13.96 oz
 
Test Data From Input 8.0 V 10.0 V 12.0V 14.0V Measured Kv value Measured Rm Value
Sample Motor Io Value 2.761 A 3.064 A 3.431 A 3.723 A 664 RPM/Volt @ 10V 0.0108 Ohms
 
4-cell Li-Po Test Data
Prop Prop Li-Po Input Motor Watts Prop Pitch Thrust Thrust Thrust Eff.
Manf. Size Cells Voltage Amps Input RPM Speed Grams Ounces Grams/W
APC 11x10-E 4 14.8 40.86 604.8 8,781 83.2 1842 64.97 3.05
APC 12x8-E 4 14.8 41.30 611.3 8,793 66.6 2194 77.39 3.59
APC 12x10-E 4 14.8 52.12 771.4 8,617 81.6 2451 86.46 3.18
APC 12x12-E 4 14.8 57.82 855.7 8,497 96.6 2287 80.67 2.67
APC 13x5.5-E 4 14.8 35.10 519.5 8,929 46.5 2697 95.13 5.19
APC 13x6.5-E 4 14.8 48.53 718.3 8,703 53.6 3089 108.96 4.30
APC 13x8-E 4 14.8 52.68 779.6 8,601 65.2 3115 109.88 4.00
APC 13x10-E 4 14.8 73.22 1083.6 8,235 78.0 2963 104.52 2.73
APC 14x6-E 4 14.8 43.67 646.3 8,809 50.1 3279 115.66 5.07
APC 14x7-E 4 14.8 63.87 945.2 8,433 55.9 3722 131.29 3.94
APC 14x8.5-E 4 14.8 65.04 962.5 8,400 67.6 3726 131.43 3.87
APC 14x10-E 4 14.8 65.54 969.9 8,390 79.5 3633 128.15 3.75
APC 14x12-E 4 14.8 96.71 1431.3 7,869 89.4 3255 114.82 2.27
APC 15x4-E 4 14.8 47.26 699.5 8,731 33.1 3663 129.21 5.24
APC 15x6-E 4 14.8 64.42 953.5 8,419 47.8 4337 152.98 4.55
APC 15x7-E 4 14.8 62.97 932.0 8,450 56.0 4308 151.96 4.62
APC 15x8-E 4 14.8 68.72 1017.0 8,330 63.1 4290 151.33 4.22
APC 15x10-E 4 14.8 104.44 1545.7 7,728 73.2 4491 158.42 2.91
APC 16x7-E 4 14.8 85.42 1264.2 8,024 53.2 5362 189.14 4.24
APC 16x8-E 4 14.8 112.30 1662.0 7,599 57.6 5231 184.52 3.15
APC 17x7-E 4 14.8 89.74 1328.2 7,944 52.7 5853 206.46 4.41
BadAss 13x8-EW 4 14.8 50.93 753.8 8,649 65.5 2759 97.32 3.66
BadAss 13x10-EW 4 14.8 66.85 989.4 8,356 79.1 2787 98.31 2.82
BadAss 14x6-EW 4 14.8 48.74 721.4 8,683 49.3 3226 113.79 4.47
BadAss 14x8-EW 4 14.8 58.40 864.2 8,477 64.2 3714 131.01 4.30
BadAss 14x10-EW 4 14.8 81.16 1201.1 8,110 76.8 3770 132.98 3.14
BadAss 15x6-EW 4 14.8 63.62 941.5 8,430 47.9 4160 146.74 4.42
BadAss 15x7-EW 4 14.8 64.43 953.5 8,413 55.8 4354 153.58 4.57
BadAss 15x8-EW 4 14.8 72.08 1066.8 8,250 62.5 4157 146.63 3.90
BadAss 15x10-EW 4 14.8 96.13 1422.7 7,883 74.6 4209 148.47 2.96
BadAss 16x6-EW 4 14.8 72.56 1073.8 8,234 46.8 4857 171.33 4.52
BadAss 16x7-EW 4 14.8 81.80 1210.7 8,104 53.7 5066 178.70 4.18
BadAss 16x8-EW 4 14.8 93.33 1381.3 7,884 59.7 5142 181.38 3.72
BadAss 16x10-EW 4 14.8 105.52 1561.7 7,679 72.7 5299 186.92 3.39
BadAss 17x6-EW 4 14.8 96.80 1432.7 7,823 44.4 5485 193.48 3.83
BadAss 17x8-EW 4 14.8 106.20 1571.8 7,706 58.4 6161 217.32 3.92
MAS 11x8x3 4 14.8 34.21 506.2 8,953 67.8 2251 79.40 4.45
MAS 12x6x3 4 14.8 35.47 525.0 8,929 50.7 2501 88.22 4.76
MAS 12x8x3 4 14.8 51.50 762.2 8,628 65.4 3301 116.44 4.33
MAS 13x8x3 4 14.8 58.31 863.0 8,483 64.3 3679 129.77 4.26
MAS 14x7x3 4 14.8 69.41 1027.2 8,307 55.1 4464 157.46 4.35
MAS 14x9x3 4 14.8 83.66 1238.2 8,063 68.7 4985 175.84 4.03
MAS 15x7x3 4 14.8 88.04 1303.1 7,964 52.8 5365 189.24 4.12
MAS 16x8x3 4 14.8 103.69 1534.6 7,723 58.5 6056 213.62 3.95
 
5-cell Li-Po Test Data
Prop Prop Li-Po Input Motor Watts Prop Pitch Thrust Thrust Thrust Eff.
Manf. Size Cells Voltage Amps Input RPM Speed Grams Ounces Grams/W
APC 10x10-E 5 18.5 51.64 955.2 10,874 103.0 2022 71.32 2.12
APC 11x5.5-E 5 18.5 37.14 687.0 11,140 58.0 2749 96.97 4.00
APC 11x7-E 5 18.5 45.71 845.7 11,023 73.1 2968 104.69 3.51
APC 11x8-E 5 18.5 51.18 946.9 10,884 82.5 2844 100.32 3.00
APC 11x8.5-E 5 18.5 55.51 1026.8 10,787 86.8 2870 101.24 2.79
APC 11x10-E 5 18.5 63.46 1174.0 10,603 100.4 2737 96.54 2.33
APC 12x6-E 5 18.5 53.07 981.8 10,855 61.7 3620 127.69 3.69
APC 12x8-E 5 18.5 66.33 1227.1 10,620 80.5 3377 119.12 2.75
APC 12x10-E 5 18.5 83.00 1535.4 10,330 97.8 3511 123.85 2.29
APC 12x12-E 5 18.5 84.81 1568.9 10,263 116.6 3345 117.99 2.13
APC 13x4-E 5 18.5 41.86 774.4 11,050 41.9 3493 123.21 4.51
APC 13x5.5-E 5 18.5 54.17 1002.2 10,829 56.4 4146 146.25 4.14
APC 13x6.5-E 5 18.5 80.22 1484.1 10,320 63.5 4256 150.13 2.87
APC 13x8-E 5 18.5 84.38 1561.0 10,279 77.9 4558 160.78 2.92
APC 13x10-E 5 18.5 111.42 2061.3 9,685 91.7 4113 145.08 2.00
APC 14x6-E 5 18.5 67.99 1257.8 10,584 60.1 4989 175.98 3.97
APC 14x7-E 5 18.5 104.21 1927.8 9,896 65.6 5268 185.82 2.73
APC 14x8.5-E 5 18.5 101.01 1868.8 9,962 80.2 5177 182.61 2.77
APC 14x10-E 5 18.5 102.80 1901.8 9,914 93.9 5105 180.07 2.68
APC 15x4-E 5 18.5 76.56 1416.3 10,391 39.4 5598 197.46 3.95
APC 15x6-E 5 18.5 104.75 1937.9 9,880 56.1 6039 213.02 3.12
APC 15x7-E 5 18.5 98.41 1820.6 10,024 66.4 6256 220.67 3.44
BadAss 12x6-EW 5 18.5 44.30 819.6 11,050 62.8 2996 105.68 3.66
BadAss 12x7-EW 5 18.5 53.71 993.7 10,830 71.8 3222 113.65 3.24
BadAss 12x8-EW 5 18.5 63.19 1169.0 10,614 80.4 2920 103.00 2.50
BadAss 13x6-EW 5 18.5 53.55 990.6 10,835 61.6 3909 137.89 3.95
BadAss 13x8-EW 5 18.5 77.50 1433.7 10,360 78.5 3851 135.84 2.69
BadAss 13x10-EW 5 18.5 98.22 1817.1 10,014 94.8 3989 140.71 2.20
BadAss 14x6-EW 5 18.5 75.51 1396.9 10,398 59.1 4787 168.86 3.43
BadAss 14x8-EW 5 18.5 89.59 1657.5 10,152 76.9 5342 188.43 3.22
BadAss 14x10-EW 5 18.5 119.83 2216.9 9,619 91.1 5285 186.42 2.38
BadAss 15x6-EW 5 18.5 95.99 1775.8 10,009 56.9 6042 213.13 3.40
BadAss 15x7-EW 5 18.5 95.40 1764.9 10,089 66.9 6330 223.28 3.59
MAS 11x7x3 5 18.5 45.74 846.2 11,031 73.1 3216 113.44 3.80
MAS 11x8x3 5 18.5 50.10 926.9 10,918 82.7 3367 118.77 3.63
MAS 12x6x3 5 18.5 52.33 968.1 10,881 61.8 3796 133.90 3.92
MAS 12x8x3 5 18.5 75.55 1397.7 10,409 78.9 4863 171.54 3.48
MAS 13x8x3 5 18.5 86.48 1599.8 10,242 77.6 5481 193.34 3.43
MAS 14x7x3 5 18.5 102.09 1888.6 9,929 65.8 6469 228.19 3.43
 
6-cell Li-Po Test Data
Prop Prop Li-Po Input Motor Watts Prop Pitch Thrust Thrust Thrust Eff.
Manf. Size Cells Voltage Amps Input RPM Speed Grams Ounces Grams/W
APC 10x7-E 6 22.2 48.32 1072.6 13,200 87.5 2882 101.66 2.69
APC 10x8-E 6 22.2 55.41 1230.1 13,016 98.6 2867 101.13 2.33
APC 10x10-E 6 22.2 72.56 1610.8 12,701 120.3 2762 97.43 1.71
APC 11x5.5-E 6 22.2 56.68 1258.2 13,013 67.8 3720 131.22 2.96
APC 11x7-E 6 22.2 68.28 1515.8 12,805 84.9 3910 137.92 2.58
APC 11x8-E 6 22.2 75.58 1677.8 12,622 95.6 3730 131.57 2.22
APC 11x8.5-E 6 22.2 80.86 1795.1 12,513 100.7 3875 136.69 2.16
APC 11x10-E 6 22.2 91.92 2040.6 12,328 116.7 3680 129.81 1.80
APC 12x6-E 6 22.2 80.60 1789.2 12,533 71.2 4760 167.90 2.66
APC 12x8-E 6 22.2 95.61 2122.6 12,251 92.8 4524 159.58 2.13
APC 13x5.5-E 6 22.2 79.36 1761.7 12,550 65.4 5492 193.72 3.12
APC 13x6.5-E 6 22.2 119.32 2648.9 11,892 73.2 5647 199.19 2.13
APC 14x6-E 6 22.2 99.53 2209.5 12,289 69.8 6501 229.32 2.94
BadAss 10x8-EW 6 22.2 49.60 1101.2 13,155 99.7 2572 90.72 2.34
BadAss 11x7-EW 6 22.2 49.88 1107.4 13,158 87.2 3344 117.96 3.02
BadAss 11x8-EW 6 22.2 64.05 1422.0 12,820 97.1 3128 110.34 2.20
BadAss 12x6-EW 6 22.2 63.25 1404.1 12,850 73.0 3926 138.49 2.80
BadAss 12x7-EW 6 22.2 76.15 1690.6 12,617 83.6 4196 148.01 2.48
BadAss 12x8-EW 6 22.2 87.64 1945.5 12,405 94.0 3975 140.21 2.04
BadAss 13x6-EW 6 22.2 75.01 1665.1 12,640 71.8 5352 188.79 3.21
BadAss 13x8-EW 6 22.2 107.39 2384.1 12,005 90.9 5125 180.78 2.15
BadAss 14x6-EW 6 22.2 119.21 2646.5 12,022 68.3 6329 223.25 2.39
MAS 10x5x3 6 22.2 33.77 749.6 13,504 63.9 2785 98.24 3.72
MAS 10x7x3 6 22.2 50.87 1129.4 13,160 87.2 3733 131.68 3.31
MAS 11x7x3 6 22.2 62.85 1395.4 12,944 85.8 4437 156.51 3.18
MAS 11x8x3 6 22.2 70.12 1556.8 12,764 96.7 4583 161.66 2.94
MAS 12x6x3 6 22.2 72.53 1610.3 12,714 72.2 5339 188.33 3.32
MAS 12x8x3 6 22.2 103.93 2307.2 12,096 91.6 6638 234.15 2.88
                     
                     
2021 Innov8tive Designs, Inc.
This chart, and the data contained within it, are the property of Innov8tive Designs, Inc., and may not be reproduced without permission from the author.
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
584 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.