Rewrapping Motors

[That Guy 0147]

Has anyone tried to rewrap a ZZ motor? At the heart, they're just tiny versions of Mini-Z and X Mods motors...if you have, what were your results?

[cheesehead]

Do you mean re-WIND? Usually less windings=higher RPM's=less torque.
I personally would spring for some small Neodyium magnets, which would boost torque.
A micro brushless controller might also work, or a n20 or pager motor. If you could get the gearing low enough, a N20 would work very nicely. A brushless controller with a bit of creative re-winding would give RPM's' and torque that are through the roof.
Of course, you would have to replace the radio gear, and that ain't cheap.

[That Guy 0147]

Yes, that is what I meant , I didn't realize that until after.... My main problem with reWINDing the ZZ motors is just the fact that they're so small, soldering and such might be a problem?

[cheesehead]

What are the innards like?
It's probbably a 3-pole brushed, but I would'nt know. No ball bearings, but that does'nt affect efficency much. High RPM's=low turns, so the more expensive motors are probbably a bit leaner than their higher-turn cousins. Neo magnets would give even higher efficiency, and more torque. Less turns would give high RPMs.
I think a coreless pager motor or N20 geared 6:1 would work nicely. Both would give big improvements in torque, and would allow higher top speed. Of course, the high draw required by these motors would make the stock NiMh batteries and transistors useless, so you would need 2 200 mah cells in series (1 internal, one external) and FET's to allow it to run.
That, or someone could make a REALLY small nitro engine...

[That Guy 0147]

Okay...ya lost me. I'm gonna take three pole brushed to mean it has...three poles, which it does. I don't really know what to say except that it's more or less a really good scaling of an Xmod motor....

[cheesehead]

I meant that it used brushes to get power to the coils, and had 3 seperate coils. Brushless motors are more efficient than the brushed type, and have higer torque for the same weight and RPM's. In fact, I one saw a guy who made a ZipZap brushless motor and used it in his airplane....it turned about 30k RPM's. You can re-wind the coils if you are adventurous enough, but a set of Neodyium magnets would be a simpler solution for higher efficiency and torque.

[westbitchopers]

i was able to make a pager motor into a brushless motor just by hooking up a brushless controller to the comutator, 3 poles, 1 wire on each pole. so the can spins instead of the arm.it spins really fast,the hard part is attaching a gear to the can. ill leave that up to you guys cuz i dont mess with bitz or zz anymore.