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9V battery to drive 2 6v DC motors problem

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wcz

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Hi,
i'm doing my final year project and i have a problem in driving two 6v dc motors
by using a 9v battery.
the spec of the dc motor is :
Voltage: 6V
NO LOAD
Speed (RPM): 13500
Current (AMP): 0.5
AT STALL
Torque (G.CM): 191
Current (AMP): 5.25
AT MAX EFFICIENCY
Efficiency(%): 49.6
Power (W): 5.96
Speed (RPM): 9679
Torque (G.CM):60
Current (AMP): 2
AT MAX POWER
Output (W): 6.44
Speed (RPM): 7845
Torque (G.CM): 80
Current (AMP): 2.6

As only one motor can move, while another seems like not capable to move at all.
Is that possible to drive them at the same time?
Will the 9V able to support?
Thanks.
 

If this 9V battery is capable of supplying ≈5A of current (at least for some time) it should be able to drive both motors at the same time.
For test purposes, to drop voltage from 9 to ≈6.5, use 3x5A silicone diodes in series with each motor ..
Regards,
IanP
 

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