Revision as of 14:21, 5 August 2020

3 phase no feedback Controller - 12V 30A - [1] $6.42 + $2.30 Shipping
Fidget Spinner Bearings (22mm total diameter, 8mm bore and 7mm width)
- Amazon Source ~10 USD for 20; ~0.50 USD per bearing
8 Disc magnets per rotor (8 mm thickness, 20mm diameter) [2]
Copper wire (0,2 mm diameter max. definitely not more because you will get eddy current issues) [3]
Bit of brass tubing (4 mm outer diameter) to connect the coil endings in. [4]
Solder
Glue (the type that sticks)
8 mm metal rod for an axle (offcuts from universal axis are great for this)
3d printing filament (kg estimate, also infill needed)
a little bit of epoxy to glue the magnets in place [5]

Links

@@ Line 1: / Line 1: @@
 * 3 phase no feedback Controller - 12V 30A - [https://www.ebay.com/i/362671207620?chn=ps&norover=1&mkevt=1&mkrid=711-117182-37290-0&mkcid=2&itemid=362671207620&targetid=917185845248&device=c&mktype=pla&googleloc=9023315&poi=&campaignid=10459841973&mkgroupid=104612009900&rlsatarget=pla-917185845248&abcId=2146002&merchantid=137736463&gclid=EAIaIQobChMIiab0r7X66gIVzZ6zCh2hawOYEAQYAyABEgL6tfD_BwE] $6.42 + $2.30 Shipping
 * Fidget Spinner Bearings (22mm total diameter, 8mm bore and 7mm width)
-**[https://www.amazon.com/Pack-608-2RS-Ball-Bearing-Skateboards/dp/B07C6FL8TW/ref=lp_16411051_1_3?s=industrial&ie=UTF8&qid=1596637217&sr=1-3 Amazon Source]
+**[https://www.amazon.com/Pack-608-2RS-Ball-Bearing-Skateboards/dp/B07C6FL8TW/ref=lp_16411051_1_3?s=industrial&ie=UTF8&qid=1596637217&sr=1-3 Amazon Source ~10 USD for 20; ~0.50 USD per bearing]
 * 8 Disc magnets per rotor (8 mm thickness, 20mm diameter) [https://www.aliexpress.com/item/32797367574.html?spm=a2g0s.12269583.0.0.23ca74d74jPZDB]
 * Copper wire (0,2 mm diameter max. definitely not more because you will get eddy current issues) [https://www.koper-draad.nl/product/koperlakdraad-02-mm-awg-32-lengte-1730-meter/]