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Is anyone working on a GREX plug-in for EMC yet? Since Vista came out, I'm slowly be surely trying to ween myself away from all things Microsoft (heck, the latest release of Ubuntu is more like...

Thanks for the additional input. I just finished getting one set of panels up on a single axis manual system but I still want to go two axis at some point once I get a bigger mill with either DRO or...

I'm not sure I know enough to specify. Surgical precision isn't necessary for the intended application - and if I had a mill big enough to do it on, I'd be happy with maybe +/- .005 or better if I...

I think this would be easy on a waterjet, but wouldn't be too hard on a CNC mill. I drew it in Sketchup (www.sketchup.com) and exported to DWG - which I've included. If you prefer the Sketchup...

Thanks for the replies to all. I've learned alot just by reading more since posting.

Regarding MPPT - yes, I am doing that already using an Outback MX60 (which also has the advantage of allowing...

Geof,

Very good points about speed - and using gear reduction rather than powerful motors. Modest steppers might work for both cases given sufficient gearing. I haven't given alot of thought to...

>Each servo would have 3 wires for power and direction control

The 72v PV array and 48v battery bank share a common negative - so I figured I wouldn't need an extra wire for -, just for + from the...

Hello all,

After finding this site about a month ago, I'm definitely itching to build a CNC machine, but before I can do that, I need power in my new shop. I'm installing solar panels, and while...