[Homeroast] Quest M3

Joseph Robertson theotherjo at gmail.com
Fri Nov 12 17:37:44 CST 2010

Very sorry if this got sent to you twice. Found it in my draft folder.

Thanks for your take on these "state of the art" power supplies so to speak.
Right now I'm underpowered so I guess I have some tweaking to do. I'm not
the electrical engineer or even electrician in any way or shape. But I know
a guy in the back at Platt Electric who can get me dialed in.
Electricity taught me a long time ago a simple rule, if you don't know what
it is, don't touch it. Find someone who does and have them touch it. I use
that rule with snakes too. <];^)

Love your take on the whole," geeks loose around the globe would rather use
solid state controls." All the old dogs I'm coming in contact with tell me
that "solid state controls" are the  standard anymore. Seems even our new
tooth brushes have solid state controls.  Come to think of it doesn't my
IRoast2 have solid state controls?

On Tue, Nov 9, 2010 at 11:46 PM, <raymanowen at gmail.com> wrote:

> "Do you have any experience with the new digital motor controlers, like my
> Eaton Culter Hammer MVX 9000 AF Drive."
> A New Cult drive by Cutler-Hammer?
> In 3-phase-speak: "No, No, No experience," but the new front loader washers
> use similar controls and 3-phase motors for home use. Variable speed
> reversible with no moving electrical parts or starting switches- ideal set
> up.
> Your big old grinder with variable frequency power supply could easily be
> run over speed. We had a 12"dia X 3" wide grinder in the shop at CSMRI. The
> 3hp motor could have hit 8,000 rpm with high frequency dialed in to it. I
> wouldn't want to be in the same county in that case! That would take just
> 133 hz dialed up from 60hz.
> These little drives can control Enormous motors with the use of magnetic
> amplifiers and saturable reactors. With absolutely NO application to home
> coffee preparation or consumption, geeks loose around the globe would
> rather
> use solid state controls.
> Fine. Avoid the rush, get a forktruck and drag out the mag amps for the
> 3,600 hp motor powered by 14,400v 3-phase.
> Cheers, Mabuhay -RayO, aka Opa!
> Zap!
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