Re: motors/torque

[Will Montgomery <wsmontg5-at-netscape.net>]

Mike,

Two 600 motors can move a 60lb Musashi through water .  Via kiddy car 
gearboxes they can move a tank 1 mph on concrete. On grass they can't 
turn. Not enough torque to over come the friction of the other track.

Will

buttsakauf-at-earthlink.net wrote:

>I see all these hp ratings on electric motors and that is good for giving me an 
>idea of what I need. My problem is that I do not know what kind of torque is needed 
>to propel a 100lb tank at a decent speed. EV warriors are great but when they stall 
>they draw huge amps. I have no idea what can really do the job. Would a hefty 600 
>size motor be ok or is that too small. What about a 600 on a gearbox? I want a tank 
>that can take on any surface and maintain speed (4-5mph??). I really don't know 
>what to look for. 
>Mike Butts
>  
>