>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!"
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