Went to Harbor Freight this morning and picked up
one of these sand blasters for $100 on sale. 
Spare plastic overlays for the window. Spare ceramic nozzles 
for the suction blaster and replaceable rubber gloves. 
Thick gage steel box about 18 by 18 by 18. Will hold a 
rotor housing no problem. The color matches my tool box 
and engine hoist :-)

Note the part number on the card board box it came in.

What is the best kind of abrasive to use on aluminum?
Walnut shells or something else? They had glass beads
and aluminum oxide powder at HF.

Paul Lamar
 
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