Scorpion M-2205-2350 Motor Propeller Data
Magnets Motor Wind Motor Kv No-Load Current Motor Resistance I Max P Max (4S)
14-Pole 22-Turn Delta 2350 RPM/Volt Io = 0.91 Amps @ 10v Rm = 0.078 Ohms 20 Amps 300 W
 
Stator Outside Diameter Body Length Total Shaft Length Shaft Diameter Motor Weight
12-Slot 27.9 mm,  1.098 in. 21.7 mm,  0.854 in. 35.8 mm,  1.122 in. 3.00 mm,  0.118 in. 31.6 gm,   1.11 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 0.64 A 0.73 A 0.91 A 1.02 A 2383 RPM/Volt @ 10v 0.078 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 17.33 192.4 18,438 82.9 466 16.44 2.42
APC 5.5x4.5-E 3 11.1 17.67 196.1 18,339 78.1 497 17.53 2.53
APC 6x4-E 3 11.1 19.08 211.8 17,586 66.6 650 22.93 3.07
HQ 4x4.5-BN 3 11.1 11.36 126.1 21,129 90.0 404 14.25 3.20
HQ 5x3 3 11.1 7.91 87.8 22,632 64.3 396 13.97 4.51
HQ 5x4 3 11.1 10.86 120.5 21,360 80.9 502 17.71 4.17
HQ 5x4x3 3 11.1 14.27 158.4 19,845 75.2 588 20.74 3.71
HQ 5x4.5 3 11.1 11.68 129.6 20,935 89.2 493 17.39 3.80
HQ 5x4.5-BN 3 11.1 17.13 190.1 18,430 78.5 597 21.06 3.14
HQ 6x3 3 11.1 11.27 125.1 21,122 60.0 557 19.65 4.45
HQ 6x4.5 3 11.1 19.53 216.8 17,170 73.2 766 27.02 3.53
 
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
HQ 4x4.5-BN 4 14.8 16.59 245.5 26,333 112.2 620 21.87 2.53
HQ 5x3 4 14.8 11.69 173.0 28,842 81.9 634 22.36 3.66
HQ 5x4 4 14.8 15.88 235.0 26,614 100.8 774 27.30 3.29
HQ 5x4x3 4 14.8 20.16 298.3 24,441 92.6 872 30.76 2.92
HQ 5x4.5 4 14.8 17.39 257.3 25,927 110.5 755 26.63 2.93
HQ 6x3 4 14.8 17.03 252.0 26,102 74.2 873 30.79 3.46
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.