Mach 3 control of DC Brushless motor?

[templecorran]

This is off topic but I wanted to share this info with you all:
Our 2nd year Mechanical students are expected to enter "The Power Tools HotRod races" by taking a battery operated power tool and using it to provide the drive for a racing car.
The designs are many and various and often too fragile to race.
Having discussed with other staff over the past years, especially since Robot Wars was featured on the telly, what we could do to build an entry for the competition.
The Hot Rod challenge is not so hard, as all you need is a bit of light board, a motor and battery.

My friend found these motors:
http://www.greenweld.co.uk/acatalog/...ltage_347.html
and we put together a challenger for the race.

That's not the point of this post:
My point is that these motors exist, are very cheap, will pull the solid curd off rice pudding (bowl and all) and run fast.

However, I'm not so sure that in it's raw state without a reduction drive that it would be suitable for life as a spindle motor.
:feedback:

John

[templecorran]

It's now a year later since I was active on the forum.
Wifey made me a present of polystyrene sheeting for my shed last Christmas. The upheaval of lining the walls and roof left the shed in an unusable state. and on it goes... I wonder if she was telling something? Anyway, now I'm back to running my redesigned in Aluminium Rockcliff model A.

I'm desperate to get a quiet as possible spindle that can handle bit sizes in the range 3/4" (1/4" shank) to 0.050" (1/8" shank). The 3/4" is a router bit and may only ever be run in my 1020W B&Q router.
I stumbled upon a series in cnczone (http://www.cnczone.com/forums/457977-post54.html) where a fine engineer (Herbertkabi) has designed and published his work.

He is adimant that he will not make spindles for others, so I'll just have to call in some favours with my colleagues and get help to make my own.

This thread is about Mach3 control of DCBLMs. If Mach3 outputs a PWM, is it reasonable to assume that it has similar parameters to the Radio Controller Modules??
In which case if it does, then the conclusion to this thread is YES.