[TR] pressure sandblaster tips?
wbeech at flash.net
wbeech at flash.net
Wed Feb 3 22:39:02 MST 2010
Gary,
I agree with Bob, I too have the inexpensive Sears unit and it works great
but I have a 7hp compressor 220v that can deliver about 12cfm at 90psi. While
the blaster is supposed to be able to pull the sand from the hopper, I find
it is much more efficient if I keep the hopper elevated above my work... Not
always easy.
You mentioned the line plugging, my cabinet occasionally does this(I use
glass beads in the cabinet) and I have found that simply by placing my
gloved hand tightly over the nozzle it causes the back-pressure to clear the
line and all is well.
Hope this helps,
Bill
Bill Beecher
'58 TR-3A TS/30766 L (On the road in 2009!)
"A Triumph is man's best friend, it always comes when it is called...of
course, some times it is difficult to make it go"
-----Original Message-----
From: triumphs-bounces at autox.team.net
[mailto:triumphs-bounces at autox.team.net] On Behalf Of Bob
Sent: Wednesday, February 03, 2010 4:17 PM
To: triumphs at autox.team.net
Subject: Re: [TR] pressure sandblaster tips?
On Wednesday 03 February 2010 02:28:49 pm Gary Nafziger wrote:
> Cleaning up tr-3 fenders: I purchased a harbor freight pressure
> blaster and within half hour ruined the nozzle last summer (ball
> valve just wore out by sand going through it). I wasn't really happy
> with the blaster as it seemed to work intermittedly. It would blow
> very well but then seem to get plugged or almost plugged at times.
snip,
Gary,
For items larger than my cabinet, I got a Sears blaster for around 50$
before I started my TR4 restoration about 6 years ago.
It is gravity fed and the gun works like a siphon.
I use black beauty media only and it works great.
I did replace the media hose because it was cheap rubber and kept cracking.
I got some neoprene hose from Lowes and it never clogs up.
I have blasted a TR4 frame, body tub + all body panels and last summer did
the same on my current TR6 project.
The nozzles are ceramic and last quite awhile. I think I have used 3 to 4
over the years.
Here is a link:
http://www.sears.com/shc/s/p_10153_12605_00916706000P?keyword=sand+blaster
I use a single stage 220V 60 gal 7HP upright compressor.
Bob
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