[R-390] Front Panel Restoration Knobs Rock Tumbler

[Cecil]

> On Jul 18, 2015, at 9:45 PM, Glenn Scott via R-390 <r-390 at mailman.qth.net> 
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> Once the flow and pressure are dialed in, I can do one side of a panel in about 5 minutes or less with no subsequent picking of paint and primer from the engraves. The Armex powder pellets are small and get deep into into the engraves much better than anything else I have tried.


> Strange..I use the HF blaster with their coarse media and it took me half an hour or more...a full bag of media ( maybe two..can't remember) and I killed the grass in a 20x20 area in the yard even after a good flushing with the hose. Humidity is a big deal with these things and during the summer her you can plan on 90% most days.I had frequent clogs and had to purge the system often..between those problems stripping was slow and used way more media than I had hoped.  That was my first try though...will have to have another go at it.  The glass bead blasting was very quick...wiped away the paint, primer, corrosion and cleaned out the engravings quickly...it was in a blast cabinet though and nicely contained.

Cecil