Drive Electric
Developing efficient, personal transportation for the 21stCentury
At Drive Electric we are committed to developing an efficient, two passenger, electric car. A personal transportation vehicle that is an innovative combination of the best of today's technology; sleek, aerodynamic styling; and conventional, lead-acid, traction batteries.

Uve's Motor Page

The equation for current vs. torque is: Torque = k * i^n.
The equation for voltage vs. torque vs RPM is: V = (d * rpm)/((a/(torque ^ b)) + c).

Model HPWeightDiameterlengthknabcd
ADC FB-4001 28143 9.1"14.5".00851.5546264.9072068120
Kostov 30173 10.7"17.9".01671.4624414.8.071-14737144
ADC XP1227 28120 8"15.5".02821.3721163.19-4663.98192
ADC XP1263 28120 8"15.5".01721.4323633.9.447617.1168
ADC 203-06-4001 28120 8"14.5.01181.4316796.4.209-3380.45108
GE 5BT1346B50 ?? 10".00761.5021592.4.206-6299.34108

Motor Amps vs. Torque

    This form calculates k and n for the equation:
      torque = k * current^n

    Enter values for torque and current from the motor graph and then click on the calculate button. Have patience, it takes a while (up to 5 minutes).
    t1:a1: a1 calc:
    t2:a2: a2 calc:
    t3:a3: a3 calc:
    t4:a4: a4 calc:
    t5:a5: a5 calc:
    t6:a6: a6 calc:
    t7:a7: a7 calc:
    t8:a8: a8 calc:
    t9:a9: a9 calc:
    t10:a10: a10 calc:
    t11:a11: a11 calc:
    t12:a12: a12 calc:
    t13:a13: a13 calc:
    t14:a14: a14 calc:
    t15:a15: a15 calc:
    t16:a16: a16 calc:
    k:
    n:



    Difference:
    Difference(abs):

    Motor RPM vs. Torque vs. Voltage


    This form solves the equation:
      voltage = (rpm * d)/((a /(torque^b)) + c).

    Enter values for the voltage curve you are calculating (use the highest voltage cureve you have). Then enter values for torque and RPM. You must specify a torque and RPM for each value.
    Have patience, this takes a long time.
    voltage:
    torque: rpm: calculated RPM:
    torque: rpm: calculated RPM:
    torque: rpm: calculated RPM:
    torque: rpm: calculated RPM:
    torque: rpm: calculated RPM:
    torque: rpm: calculated RPM:
    torque: rpm: calculated RPM:
    torque: rpm: calculated RPM:
    torque: rpm: calculated RPM:
    torque: rpm: calculated RPM:
    torque: rpm: calculated RPM:
    torque: rpm: calculated RPM:
    torque: rpm: calculated RPM:
    torque: rpm: calculated RPM:
    torque: rpm: calculated RPM:
    torque: rpm: calculated RPM:



    voltage = (rpm * ) /(( / (torque ^ )) + )
    Acknowlegements:
      I would like to thank Gray Flo at innEVations for supplying the motor curves for the kostov, XP-1227 and XP-1263 motors.


     
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