(from romeroUK's Muller Dynamo replication notes, as posted on overunity.com)
sprocket carrier:
http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=280544165606&ssPageName=STRK:MEWNX:IT
steel bar:
http://cgi.ebay.co.uk/ROUND-BRIGHT-MILD-STEEL-BAR-30mm-DIA-x-500mm-LONG-EN1A-/160559436733?_trksid=p5197.m263&_trkparms=algo%3DSIC%26itu%3DUCI%252BIA%252BUA%252BFICS%252BUFI%252BDDSIC%26otn%3D10%26pmod%3D200483819019%252B270303908644%252B280671794575%26po%3DLVI%26ps%3D63%26clkid%3D9015277603306153476
I got it 30mm diameter so I can put it on my lathe and cut it to make sure it fits perfect on the bearings and SPROCKET CARRIERS.
magnets:
https://www.hkcm.de/product_info.php?hkcm=engineering&products_id=7381&mwst=on&des=off&dna=0&fav=&adia0=&idia0=&hig0=&amass=&bmass=&hig1=&arad=&irad=&hig2=&wink=
I bought 16 and I will have them 2 togheter to make the same 8 in total.
acrylic sheet:
http://www.plasticonline.co.uk/acrylic-sheets-discs/acrylic-discs/black-acrylic-discs/10mm-black/10mm-black-acrylic-disc-300mm-dia-/prod_274.html?notice=1
I bought 3 so I can glue them together to make 3cm thick.
Cores and coils:
I bought parts here before.
http://www.falconacoustics.co.uk/audio-inductors-ferrite-air-core-iron-dust.html
