That's a 4mm shaft motor.  I think that's a little light weight for the 
application.  I'd go with a 5 or 6mm shaft motors.

Possible options:

http://www.surpluscenter.com/Electric-Motors/DC-Gearmotors/DC-Gearmotors/140-RPM-3-6-VDC-GEARMOTOR-5-1795.axd
http://www.surpluscenter.com/Electric-Motors/DC-Gearmotors/DC-Gearmotors/180-RPM-24-VDC-INLINE-GEARMOTOR-5-1812.axd
http://www.sciplus.com/p/50-RPM-12VDC-GEAR-MOTOR_54785
http://www.surpluscenter.com/Electric-Motors/DC-Gearmotors/DC-Gearmotors/62-RPM-9-VDC-MERKLE-KORFF-GEARMOTOR-5-1685.axd


ST

On Monday, July 28, 2014 9:08:48 PM UTC-4, Caleb Smith wrote:
>
> I got the wooden pushrod system all cut out today and it's ready to 
>> install.  I'm going to wait till I have a better idea of where things are 
>> going before I glue anything though.  I'll take some photos of it tomorrow 
>> for evaluation.
>>
> I've been doing some research on what I want to do for the rotate.  
> Steve's original idea that I want to use is a geared motor at the end of 
> the gun carriage with a spiked wheel that would spin the gun 360 degrees.  
> After looking through many websites, I think I found a motor that will 
> work.  I'll be running this gun at 7.4 volts, so the motor will be spinning 
> about half it's rated RPMs, I think.
>
> Here is the motor. 
> http://www.dx.com/p/high-torque-80rpm-12v-dc-geared-motor-91628?tc=USD&gclid=CjwKEAjwxtKeBRDMzoeQmYn5uHcSJACGCF3D5p5zz3sy2zZyJL-lgL8qzTj8MfNhtCW4q1FLSNQh3xoCsXzw_wcB#.U9bwumOTFIq
>
> Do you guys think the motor will work for what I intend to use if for?
> Also, will a 12v door lock actuator work ok on 7 volts?  
> Thanks,
> Caleb
>
>>  
>>
>

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