25th-Nov-25, 10:18 PM
(25th-Nov-25, 08:49 PM)Kevan Wrote: I seem to remember a club member saying a Parma Deathstar armature fit the SCX cans
While it does fit,...the "Deathstar is wound with 70T of 30 AWG wire, which for the stock SCX magnets is a touch too much, as the motor will run hot particularly with any "homeset" type power supply.
If anyone is planning a rewind, 80T of 31 AWG wire is much more appropriate, but will still need a decent power supply ( 5+ amps min.) a comm. true, and some better motor brushes, to replace the hideous things from SCX.
This wind will be a considerable step up from stock (approx. 35/40 K), with very good torque......and will likely be beneficial on only the longer/wide open club tracks.
A quick note/tip on the stock SCX motor brushes,...if the motor has been oiled/used these brushes tend to hold oil, which will cause the brushes to deteriorate quickly and the "stuff" will clog the comm slots, reducing performance/response. There is a quick fix that really works wonders for the SCX brushes..take them out, noting left/right, and, top/bottom......place the brushes on a hot (clean) soldering iron, and when they stop smoking, let them cool, and replace as they came out. (Clean the comm slots before replacing).
Cheers
Chris Walker
An SCX rewind + for a club member,....80T x 31AWG,....Mura comm (trued), epoxied/balanced, magnets zapped, 16D brushes etc. etc.

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