BadAss BA-2820-1350 Performance Test Data
Magnets Motor Wind Motor Kv No-Load Current Motor Resistance I Max P Max (6S)
14-Pole 8-Turn Delta 1350 RPM/Volt Io = 2.75 Amps @ 10v Rm = 0.016 Ohms 75 Amps 1665 W
 
Stator Outside Diameter Body Length Total Shaft Length Shaft Diameter Motor Weight
12-Slot 35.6 mm, 1.402 in. 40.0 mm, 1.575 in. 61.5 mm, 2.421 in. 5.00 mm, 0.197 in. 149 gm, 5.26 oz
 
Test Data From Input 10.0 V 12.0 V 14.0V 16.0V Measured Kv value Measured Rm Value
Sample Motor Io Value 3.023 A 3.250 A 3.451 A 3.692 A 1340 RPM/Volt @ 10V 0.0156 Ohms
                     
3-cell Li-Po Test Data
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 7x7-E 3 11.1 28.63 317.8 13,546 89.8 945 33.34 2.97
APC 8x4-E 3 11.1 25.90 287.5 13,693 51.9 1184 41.77 4.12
APC 8x6-E 3 11.1 40.68 451.6 12,923 73.4 1428 50.38 3.16
APC 8x8-E 3 11.1 52.05 577.8 12,327 93.4 1293 45.62 2.24
APC 9x4.5-E 3 11.1 36.70 407.4 13,095 55.8 1750 61.74 4.30
APC 9x5-F 3 11.1 31.35 348.0 13,416 63.5 1415 49.93 4.07
APC 9x6-E 3 11.1 43.93 487.6 12,761 72.5 1724 60.81 3.54
APC 9x7.5-E 3 11.1 64.05 711.0 11,740 83.4 1787 63.05 2.51
APC 9x9-E 3 11.1 70.88 786.8 11,388 97.1 1730 61.01 2.20
APC 10x5-E 3 11.1 52.47 582.4 12,341 58.4 2126 74.97 3.65
APC 10x5.8-F2B 3 11.1 56.39 625.9 12,147 66.7 2399 84.62 3.83
APC 10x6-E 3 11.1 58.32 647.4 12,023 68.3 2190 77.24 3.38
APC 10x6-F 3 11.1 46.37 514.7 12,665 72.0 2039 71.94 3.96
APC 10x7-E 3 11.1 65.72 729.5 11,635 77.1 2267 79.95 3.11
APC 10x8-E 3 11.1 71.94 798.5 11,291 85.5 2257 79.61 2.83
APC 11x5.5-E 3 11.1 70.01 777.1 11,380 59.3 2836 100.05 3.65
APC 11x7-E 3 11.1 80.08 888.9 10,802 71.6 2834 99.97 3.19
MAS 8x6x3 3 11.1 37.21 413.1 13,053 74.2 1565 55.19 3.79
MAS 9x7x3 3 11.1 56.89 631.5 12,113 80.3 2265 79.88 3.59
MAS 10x5x3 3 11.1 52.19 579.3 12,383 58.6 2344 82.69 4.05
 
4-cell Li-Po Test Data
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 7x5-E 4 14.8 36.68 542.8 17,877 84.6 1471 51.87 2.71
APC 7x6-E 4 14.8 37.93 561.3 17,800 101.1 1567 55.26 2.79
APC 7x7-E 4 14.8 47.66 705.3 17,224 114.2 1551 54.71 2.20
APC 8x4-E 4 14.8 44.23 654.7 17,413 66.0 1973 69.58 3.01
APC 8x6-E 4 14.8 70.35 1041.1 16,019 91.0 2199 77.56 2.11
APC 9x4.5-E 4 14.8 62.51 925.1 16,350 69.7 2907 102.53 3.14
APC 9x6-E 4 14.8 73.18 1083.1 15,737 89.4 2665 94.01 2.46
APC 10x5-E 4 14.8 85.60 1266.9 14,920 70.6 3167 111.69 2.50
MAS 8x6x3 4 14.8 58.36 863.8 16,631 94.5 2577 90.91 2.98
 
5-cell Li-Po Test Data
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 7x4-E 5 18.5 44.99 832.3 22,079 83.6 2135 75.31 2.57
APC 7x5-E 5 18.5 56.08 1037.4 21,300 100.9 2101 74.12 2.03
APC 7x6-E 5 18.5 57.70 1067.5 21,203 120.5 2224 78.43 2.08
APC 7x7-E 5 18.5 70.40 1302.3 20,431 135.4 2171 76.59 1.67
APC 8x4-E 5 18.5 67.42 1247.2 20,606 78.1 2796 98.61 2.24
2019 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.