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Femto Sumo

Category: Rolling
Cost: $20

Tinyest fighter robot around. using my custom cygnal 8051 10mm PCB with h-bridge drivers and the worlds smallest available pager motors attached to a custom Casey Holmes style gearbox more info to follow when they make a small enough battery to meet my demands!!! as for now, the robot plays on a teather power cord. fully functioning IR and single line sensor included. even coated the gear wheels in urathane

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Comments

Anton Olsen's picture

Can you divulge your source

Can you divulge your source for pager motors? The smallest ones I've been able to find are 16mm long.

gallamine's picture

Oops! I thought you said

Oops! I thought you said 19 mm. Yeah, I haven't found anything under 16 mm either.

gallamine's picture

Anton, not sure if this

Anton, not sure if this helps, but it looks like this paper motor from Solarbotics is 16 mm long - Tiny Pager Motor. I can't tell if that's including the shaft length or not. 

And speaking of really small motors, this tiny gear motor (21 mm long!) from Solarbotics is absolutely amazing.

Anton Olsen's picture

I've got a couple of the gear

I've got a couple of the gear motors and plan to use them in my 1" bot, but would like to find something closer to 12mm total length so I can put the motors back to back in the cube and save room for sensors.