an engine that runs.
link to the Webster site : http://home.comcast.net/~webster_engines/
The motor for the X feed came from a Black and Decker drill. The power
supply from a computer and the additional 5 volts is used for lighting
around the quill..... More once I know the smoke stays inside.
Andrew
On Mon, 2011-12-12 at 21:56 -0700, Bill in Boulder wrote:
>
>
>
> -----Original Message-----
> >From: pc <akayton1@gmail.com>
> >Sent: Dec 12, 2011 11:43 AM
> >To: GrizHFMinimill@yahoogroups.com
> >Subject: Re: [GrizHFMinimill] Re: $50 mini-mill power feed
> >
> >Jim,
> >
> >I have promised to write up an article for the MiniMill group on my
> >experiences with using a cordless drill motor driven by a home built
> PWM
> >controller. The major reason I have not completed the article is I am
> >building a real project (Webster Engine) using the mill with power
> feed
> >and want real world testing before putting the article with notes out
> >there.
>
> A noble project! The Webster Engine tickles my memory without anything
> forthcoming; could you help me out?
>
> >There are several versions of motors out there if you search the
> 'net.
> >My belief is until it is tested under real world conditions like a
> hot
> >Australian summer and day long sessions it is not worth putting pen
> to
> >paper.
>
> Guess which I "No battle plan survives contact with the enemy!" And
> regarding motor qualities; I am adapting a GE industrial 1/2 HP 90 VDC
> motor to an old horizontal mill. It weighs at least 50 pounds! I
> contrast it with the 2 3/4 HP treadmill motor weighing 20 pounds!
> Guess which I would choose to run in Darwin! Bill in Boulder
>
> >Cheers,
> >Andrew
>
> Bill in Boulder "Engineering as an Art Form!"
>
> ________________________________________
> PeoplePC Online
> A better way to Internet
> http://www.peoplepc.com
>
>
>
>
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