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Bosch EV Warrior
This motor was originally used in the EV Warrior electric bicycle. The
company went bankrupt and thousands of the motors were sold as surplus.
It is probably a custom version of the Bosch GPB automotive fan motor. There are
two versions available, one with the timing advanced 10° in the
clockwise (CW) direction and one with timing advanced 10° in the counter-clockwise
(CCW) direction. One of the motor's terminals is grounded to the
case and this grounding tab must be removed or you may short out your
speed controller through the frame.
| Specifications for clockwise
rotation: |
Motor only performance.
|
Typical system performance.
|
| Voltage: |
12 V
|
| Angular-velocity constant: |
229 rpm/V |
| Torque constant: |
5.91 ozf·in/A
|
| Termaina resistance: |
0.121 ohm
|
| No-load current: |
3.9 A
|
| Peak efficiency: |
64.3 %
|
| Power source resistance: |
0 ohm
|
0.121 ohm
|
| Peak power: |
0.368 hp
|
0.168 hp
|
| No-load angular velocity: |
2640 rpm
|
2530 rpm
|
| Stall current: |
99.2 A
|
49.6 A
|
| Stall torque: |
563 ozf·in |
270 ozf·in |
Explanation
of specifications.
|
| Specifications for counter-clockwise
rotation: |
Motor only performance.
|
Typical system performance.
|
| Voltage: |
12 V
|
| Angular-velocity constant: |
189 rpm/V |
| Torque constant: |
7.16 ozf·in/A
|
| Terminal resistance: |
0.121 ohm
|
| No-load current: |
2.6 A
|
| Peak efficiency: |
70.2 %
|
| Power source resistance: |
0 ohm
|
0.121 ohm
|
| Peak power: |
0.378 hp
|
0.18 hp
|
| No-load angular velocity: |
2210 rpm
|
2150 rpm
|
| Stall current: |
99.2 A
|
49.6 A
|
| Stall torque: |
691 ozf·in |
337 ozf·in |
Explanation
of specifications.
|
| Specifications for clockwise
rotation: |
Motor only performance.
|
Typical system performance.
|
| Voltage: |
24 V
|
| Angular-velocity constant: |
229 rpm/V |
| Torque constant: |
5.91 ozf·in/A
|
| Terminal resistance: |
0.121 ohm
|
| No-load current: |
3.9 A
|
| Peak efficiency: |
73.9 %
|
| Power source resistance: |
0 ohm
|
0.121 ohm
|
| Peak power: |
1.53 hp
|
0.736 hp
|
| No-load angular velocity: |
5380 rpm
|
5270 rpm
|
| Stall current: |
198 A
|
99.2 A
|
| Stall torque: |
1150 ozf·in |
563 ozf·in |
Explanation
of specifications.
|
| Specifications for counter-clockwise
rotation: |
Motor only performance.
|
Typical system performance.
|
| Voltage: |
24 V
|
| Angular-velocity constant: |
189 rpm/V |
| Torque constant: |
7.16 ozf·in/A
|
| Terminal resistance: |
0.121 ohm
|
| No-load current: |
2.6 A
|
| Peak efficiency: |
78.4 %
|
| Power source resistance: |
0 ohm
|
0.121 ohm
|
| Peak power: |
1.55 hp
|
0.757 hp
|
| No-load angular velocity: |
4480 rpm
|
4420 rpm
|
| Stall current: |
198 A
|
99.2 A
|
| Stall torque: |
1400 ozf·in |
691 ozf·in |
Explanation
of specifications.
|
|
