Gearless direct drive motor for helicopter

[ron van sommeren]

Gearless direct drive motor for helicopter:

http://www.rcgroups.com/forums/showthread.php?s=&threadid=197862

[ron van sommeren]

The motor came from a 3.5" diskette drive.

[joo]

Xtremely nice Seems to be no limits anymore.. Even a fan for the tail.
Right now I`m going to disassemble all the old diskette drives in my drawer at work, I got inspired Thanks ron, this is exciting.

[ron van sommeren]

Now Niels Polfliet (Belgium) made a direct drive motor using Halbach magnet arrays:

http://www.rcgroups.com/forums/showthread.php?postid=1919468#post1919468

[ron van sommeren]

A second direct drive motor, this time from two 5.25" floppy drives. Polish and German text:

http://alexrc.com/voytek_pl.html