Search: Posts Made By: kyleservicetech
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06-19-2014, 04:57 PM
Replies: 72
Views: 22,660
Posted By kyleservicetech

I was using wire from work, a type called heavy...

I was using wire from work, a type called heavy duty formvar wire. That formvar insulation might be a bit more susceptible to cracking. On the other hand, its made for transformers, and is high...
06-19-2014, 04:52 PM
Replies: 72
Views: 22,660
Posted By kyleservicetech

Yup Doesn't take much work with a compass and a...

Yup
Doesn't take much work with a compass and a piece of paper to show that. Just draw a big circle for a single strand wire, then drawing perhaps 6 smaller circles inside the big circle to show...
06-17-2014, 06:08 PM
Replies: 72
Views: 22,660
Posted By kyleservicetech

Agreed: Problem is, that will usually involve...

Agreed:
Problem is, that will usually involve non-standard wire sizes which might be a problem.

What I ran into though, is when using larger single strand wire, the sharp turns required resulted...
06-17-2014, 04:50 AM
Replies: 72
Views: 22,660
Posted By kyleservicetech

Hacker A60-16M Motor Winding

I had occasion to bust off the motor shaft of my Hacker A60-16M motor last Saturday. That after some 400 flights on the motor. Problem was caused by a high speed pass over the field, and getting...
06-10-2014, 05:14 PM
Replies: 72
Views: 22,660
Posted By kyleservicetech

Hi Ron You're right, should have been more...

Hi Ron
You're right, should have been more precise on what an ESC consists of. Early on, our brushless motors had extra lead wires that sent information to the ESC that synced the ESC to the motor...
06-09-2014, 01:09 AM
Replies: 72
Views: 22,660
Posted By kyleservicetech

:oops: Yup FYI, these brushless motors are...

:oops:

Yup
FYI, these brushless motors are actually three phase AC motors with a variable frequency three phase AC driver, namely the ESC itself.

I've taken several of those high quality...
06-08-2014, 02:00 AM
Replies: 72
Views: 22,660
Posted By kyleservicetech

Automated Motor Winding Machine

If you ever wondered how some of these motors are wound:
https://www.youtube.com/watch?v=2JsRYUTK5Pw

I'd guess those motors whose windings completely fill all available winding space are wound by...
06-07-2014, 05:14 AM
Replies: 72
Views: 22,660
Posted By kyleservicetech

Or, if the mfg completely fills the winding area...

Or, if the mfg completely fills the winding area of the motor winding slots with copper wire, a heavier gauge wire with the same exact number of turns (and same KV) can be used. Completely filling...
06-07-2014, 04:40 AM
Replies: 72
Views: 22,660
Posted By kyleservicetech

Precisely! Some of those name brand motors...

Precisely!

Some of those name brand motors only fill 50-60% of the available winding space for the magnet wire. Even though they have the same exact KV rating, nearly the same total weight, the...
05-08-2013, 03:27 AM
Replies: 72
Views: 22,660
Posted By kyleservicetech

Yeah, after working with a soldering iron for...

Yeah, after working with a soldering iron for near 50 years, I got allergic to the flux from soldering fumes. Picked up a very high powered squirrel cage type exhaust fan that they threw out at...
05-07-2013, 06:37 PM
Replies: 72
Views: 22,660
Posted By kyleservicetech

Yeah, I bought a bottle of kicker some time back,...

Yeah, I bought a bottle of kicker some time back, used it once. And never again. Those fumes can't be good for anyone.

Probably 90% of my gluing is done with Titebond or yellow carpenter glue,...
05-14-2008, 02:29 AM
Replies: 72
Views: 22,660
Posted By kyleservicetech

Gobrushless motor magnets

This thread is near a year old, but I've built up several of these motors, using magnet wire from work.

Best way I found to install magnets, is to first place the magnets with thin CA. Then,...
Showing results 1 to 12 of 12


 
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