[R-390] Front Panel Restoration ER Don Reaves

[kr4hv]

Has anyone tried ground pecan shells?

Regards,

Walt
KR4HV
kr4hv at numail.org
C 678-378-3350

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-----Original Message-----
From: R-390 [mailto:r-390-bounces at mailman.qth.net] On Behalf Of Cecil
Sent: Friday, July 17, 2015 8:40 PM
To: Don Reaves
Cc: R-390 List
Subject: Re: [R-390] Front Panel Restoration ER Don Reaves

I'd be curious to know how you guys are handling the soda that goes
everywhere and kills the plants.  I killed a spot in the back yard when I
stripped my R-390 panel a while back....just now supporting life again...

Is there a better way?

Would be nice to contain it and wash it down the drain or some such..  (I'll
probably get spanked for that notion)

Cecil

Sent using recycled electrons.

> On Jul 17, 2015, at 2:32 PM, Don Reaves <donreaves at gmail.com> wrote:
> 
> No need for any apologies, Glenn.  I was happy to make my small 
> contribution to your article because you introduced me to the 
> effectiveness of soda blasting.  I am using soda blasting with good to 
> excellent results for all sorts of restoration projects, including 
> removing peeling latex paint from home exteriors.  But I didn't spend 
> big bucks for professional equipment.  I used the soda blaster kit 
> available from the Chinese Junk Shoppe, AKA Harbor Freight, and my 
> standard shop air compressor, a Devilbliss 5CFM at 90 PSI, 20 gal. tank.
It works but I do have to go slow
> to allow the compressor to keep up.   I did add an extra air line filter
at
> the blaster tank air input and only use the setup on lower humidity 
> days outdoors.  I'm not doing R-390 panels - mostly I'm stripping and 
> repainting WWII era black wrinkle painted gear like ARC-2 and BC-348 
> cabinets, and some custom rack panels that match ART-13 panels.
> 
> The purpose of the zinc chromate is bonding to clean bare aluminum for
> paint adhesion.   Just painting bare aluminum panels without proper primer
> means you will be repainting again when it starts flaking off.     Steve
> mentioned Bulldog adhesion promoter.  I'll have to try that.  There 
> are other primers for aluminum, such as Marhyde self-etching primer 
> and aluminum "brighteners" like Duragloss 851, which contain an acid 
> that lightly etches bare aluminum that promotes paint adhesion.  
> Lately, I'm getting interested in powder coating my projects since I found
that black
> wrinkle media is available for power coating.  As is machine gray.   Hmm.
> 
> Painting is an art, not a science.  I'm on my third try now trying to 
> get a good match repainting the matching power supply (Navy CT-20086)  for
an RBM
> receiver.   I get a good paint color/texture match but botch the job with
a
> paint run, or get a good paint covering but the color/texture is off.
> Hats off to guys like Glenn that get consistent professional results!
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