ADC Motors
 
Advanced DC Motors

Volts

Amps

HP

Specs

Price

           
 

140-01-4009

Advanced dc 140-01-4009

24-48
Volts

Cont: 60A

Peak: 350A

Cont: 3.8HP

Peak: 17HP

Weight: 38 lb
Shaft: Single
Direction: Reversible
Size: 5.5"

$690
 
 

140-07-4001

ADC 140-07-4001

24-36
Volts

Cont: 45A

Peak: 275A

Cont: 2HP

Peak: 10HP

Weight: 29 lb
Shaft: Single
Direction: Counter Clockwise
Size: 5.5"
Motor Drawing
Motor Outline
Torque Curve

$675
 
 

140-01-4005
Advanced dc 140-01-4009

24-48
Volts

Cont: 60A

Peak: 350A

Cont: 3.8HP

Peak: 17HP

Weight: 42 lb
Shaft: Single
Direction: Clockwise
Size: 5.5"
Motor Drawing
Torque Curve

$648
 
 

#A00-4009

24-72
Volts

Cont: 80A

Peak: 350A

Cont: 6HP

Peak: 28HP

Weight: 50 lb
Shaft: Single
Direction: Reversible
Size: 6.7"
Torque Curve
Drawing

$713
 
 

K91-4003
ADC K91-4003

48-96
Volt

Cont: 8HP

Peak: 35HP

Weight: 50 lb
Shaft: Single
Size: 6.7"
Motor Drawing
Torque Curve

$810
 
 

L91-4003
ADC L91-4003

72-120
Volt

Cont: 120A

Peak: 500A

Cont: 16HP

Peak: 72HP

Weight: 82 lb
Shaft: Double
Direction: Reversible
Size: 6.7"
Torque Curve
Motor Drawing

$1,036
 
 

X91-4001
ADC X91-4001

72-144
Volts
Cont: 10HP

Weight: 87 lb
Shaft: Double
Direction: Reversible
Size: 6.7"
Torque Curve
Motor Drawing

$1,050
 
 

203-06-4001
advanced motors 203-4001

72-120
Volts

Cont: 178A

Peak: 300A (5min)

Cont: 22HP

Peak: 83HP

Weight: 107 lb
Shaft: Single/Double
Size: 8"
Torque Curve

Drawing

$1,620
 
 

FB1-4001
adc fb1-4001 motor

72-144
Volts

Cont: 90A

Peak: 340A (5min)

Cont: 25HP

Peak: 85HP

Weight: 143 lb
Shaft: Single/Double
Size: 9.1"

Torque Curve
Drawing

$1,850

 

         
           
adapter plate
We offer both a clutchless and an adaptor plate that retains the clutch.  The clutch adaptor plate is pre-cut and pre-drilled to match your transmission's bell housing for a clean, professional look.  Just provide your vehicles make and model and we'll send you everything you need to couple your old transmission to your new motor.
$825
           

 

         

8" & 9" Motor Mount
fb1-4001 motor mount

1/4" powder-coated steel designed specifically for all 8" and 9" diameter motors.  The steel cradle form fits around the motor with compression to prevent any twisting with torque.  Easy to weld to.  Easy to bolt to.  Easy to mount.
$160
           
           

Speed Sensor Kit

netgain speed sensor
Manual

This Speed Sensor was designed specifically for any motor with a tailshaft diameter of .875" or 1.125" and it replaces the Zolox Speed Sensor.
netgain speed sensor
$95
           

EV BASICS ~ Determining Motor Hp (By: Bob Batson)

The basic equation for determining the hp required for a drive system is:
 
Required Hp = Hp (Rolling Resistance) + Hp (drag) + Hp (Hill Climbing) + Hp (acceleration)

 

  • Rolling resistance is typically 1% of the vehicle weight.  It takes ~1.5 hp per 1000 lbs of vehicle to maintain 50 mph at 0% grade and no aerodynamic drag.  So a 4000 lbs vehicle is 4 times as much ~ 6 hp for rolling resistance.  
  • Aerodynamic Drag is a function of speed squared and frontal area.  If you double the speed, the aerodynamic drag increases by 4!  With a Drag Coefficient of 0.2 (Cd=0.2) very aerodynamic vehicle, is approximately 0.7 hp at 25 mph and approximately 3 hp is required at 50 mph. With Cd=.4 approximately 7 hp is required at 50 mph. This is based on a frontal area of about 18 sq ft.  
  • Hills are a major obstacle.  A 1% grade is a 1 ft rise in 100 ft.  This is the same amount of energy as rolling resistance.  A 5% grade (5 ft rise in 100 ft) is five time rolling resistance.  That means that it takes 5 times rolling resistance (~8 hp) for a 1000 lb vehicle.  For a 4000 lb vehicle, 30 hp is required for the same 5% grade.  This is why designing a vehicle for Colorado is considerably different than designing an EV for Florida.

Typically, when we size motors for on-road EV applications, we assume a 2% grade and 50 mph. For a 4000 lb conversion, this would be another 12 hp for a total of 25 hp.  Our rule of thumb has been it takes 6- 8 hp per 1000 lbs.  That would dictate 24-32 hp.   You can see that we are within the range.  

 

  • Acceleration can become the dominant requirement.  Looking at the totals above for a 4000 lb vehicle with a Cd=.4, approximately only 13 hp is required to maintain 50 mph and 0% grade.  A Corvette requires ~ 20 hp at 60 mph and 0% grade.  With a 430 hp engine, acceleration is the predominant requirement for the 2010 Corvette.

American auto manufacturers love hp and acceleration.  So they require high voltage systems (300+V) in order to maintain reasonable currents.  The disadvantage of high voltage systems is more batteries.  To minimize the weight and space required, the manufacturers must use smaller and lighter weight batteries.  

 

It is important to remember that as you identify the required motor hp, the entire drive system must also be designed for that hp.  For example, if your design requirements dictate 30 hp, then the motor, controller, and battery pack must be designed to deliver 30 hp continuous.  That is what system design is all about.  For EVs, it is important to convert hp into watts, by multiplying by 746

 

30 hp x 746 watt/hp = 22380 watts.  

 
So if you have a 144V system, you will need only 155 amps.  But a 72V system requires a 310 amps.   This is the continuous rating.  The FB1-4001A motor is rated at 30 hp continuous and 100 hp peak at 144VDC.  To get that 100 hp, you can see that almost 520 amps is required.  That means that the controller and battery system must also be capable of delivering much higher amperage than the continuous rating.

           
           
           
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