ron_van_sommeren

Clear instructive pictures of direct drive main motor winding diagrams plus English text
http://www.powerditto.de/
-> English
-> (Tools) winding schemes in pictures

Vriendelijke groeten Ron
• diy motor building tips & tricks
• diy outrunner discussion group
• int. E fly-in & diy outrunner meet, June 25 2006, Nijmegen, the Netherlands

thecheatscalc

uhhh most cdrom drives are 12 pole.... wiring diagram is wrap one pole until full then skip two wrap, skip wrap then start with your next wire repeating. you can look here for the proper neodimum magnets: http://www.engconcepts.net/List_Of_Ring_Magnets.asp
cheap, good quality, and can be coustom ordered. just take 12 N50 , 5x5x1mm magnets placing them around the outer rim of the motor N/S/N/S spacing evenly and CAing them in place. there hook that up to your ESC and you got a brushless motor!,

ron_van_sommeren

Tapestreamers (e.g. Ditto) have large diameter multipole stators.

thecheatscalc

what size? also do you have a website for this? your name/face seems familiar.....[:-]

ron_van_sommeren

On www.powerditto.de you'll find several direct drive helicopters.

ron_van_sommeren

[/ul][*]Made from a floppy disk drive motor
http://www.rcgroups.com/forums/showt...hreadid=197862


[*]A second direct drive motor, from two 5.25" floppy disk drives. Polish and German text:
http://alexrc.com/voytek_pl.html

Christian Lucas' direct drive helicopter, powered by a hydrogen fuel cell:[*]http://www.rcgroups.com/forums/showt...88#post1030688
[*]More do-it-yourself direct drive helicoptermotors
http://www.powerditto.de (in German & Englisch).

[

[*]And
http://www.torquemax.de/AndereMelber.htm


[/ul]

oops

Nice pics Thanks for posting.

I've used a direct drive brushless for the tail, when I made one up at 11grams once.

But the controllers I found really weren't suitable for the task.

But a complete direct drive heli - main also, would be a good idea And would be cheap if made in quantity.

David

thecheatscalc

as well as quality, how much does it cost for that upgrade? heh that looks really sweet as well as it looks like it has more power than it knows what to do with, equip that with belt drive, and unless you crashed you could haul until your blades snap. [>:]


PS: I enjoy that kind of thing.

ron_van_sommeren

Direct drive main rotor motors are not commercially available, all diy.

thecheatscalc

well I meant how much do the parts cost? and where can you get them, this might be my next upgrade, but I already DO have a brushless motor.... oh well, guess I'll have to save up.

ron_van_sommeren

There are no parts available, that's how diy it is. You can however rewind floppy disk drive motors:
http://www.rcgroups.com/forums/showt...hreadid=197862