Had time to play a bit with my 08XL yesterday.
Drive shaft is 4.99mm now.
Front and end bell is modified with four 9mm air vent holes.
After assembling the motor again I was thinking about attaching a 40mm pc fan to the end. This would allow me to force air through the motor... internal cooling FTW
One of my colleagues came up with another idea. Attach some wings on one end of the magnet in order to create turbulence... this would then hopefully force air through the motor (or maybe it will just sound like a siren
)
If I can force the rotor itself to act as a fan thats a winner... just have to figure out how to attach a dust filter to the "air intake end".
Hmm... I need to make some tests and see what gives the best results.
Any bright ideas or additions?