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HOW TO : increase torque of motors

Hi,
im building a vehicle to move approximately 0.5kg of load,
trouble is the motors are too weak to move the vehicle.

its arduino controlled, 4AA's to supply 6Vs to the 2 motor
im connecting the motors directly to the wheels (they spin fast when i lift the system up)

any ideas as to how i can increase the power ?

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fujiapple (author) says: Mar 16, 2012. 10:22 AM
so in this case will it be

motor( small gear)---> wheels (big gears) ?

also, is it easy to find gears that come together with housings ?
without having to rip RC cars apart ?
20
mpilchfamily in reply to fujiappleMar 16, 2012. 11:10 AM
Here is a decent selection of geared motors you can get. Be sure you don't get a motor that will burn out your motor controller.
http://www.goldmine-elec-products.com/products.asp?dept=1300
fujiapple (author) in reply to mpilchfamilyMar 16, 2012. 6:45 PM
Hey thanks a lot,

now i know what im looking for - gear head motors,
i thought i had to make my own housing and all

thanks!
20
mpilchfamily says: Mar 16, 2012. 5:15 AM
With the right gear ratio to you be able to gain the torch you need but at the cost of RPMs.
133
caitlinsdad says: Mar 16, 2012. 5:07 AM
Just like in real cars, you need to gear it down or create a different type of movement like walking legs.
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