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pooch · 08-29-2013, 06:53 AM

Ha HA 4 cars.. I have blasted 400 cars.

Blast at night and see the sparks fly, it produces heat , although the air stream cools it too.

Think again about air pressure and sand amount.

Think more about how the panel is stressed from its original pressing as to how it could and will warp to an amateur.

You are correct about the panel bulges towards the blast, i do not understand what you say about you cannot repair this problem?

Blasting causes stretching, on a convex surface , it is quite OK, the stretching relaxes back. on a concave surface, it does not and it is buggered.

And who has 8 hours to blast a fender at 40 PSI?

08-29-2013, 06:53 AM	#10
pooch Senior Member Join Date: Sep 2010 Location: South Coast NSW Australia Posts: 2,596	Re: Body sandblasting Ha HA 4 cars.. I have blasted 400 cars. Blast at night and see the sparks fly, it produces heat , although the air stream cools it too. Think again about air pressure and sand amount. Think more about how the panel is stressed from its original pressing as to how it could and will warp to an amateur. You are correct about the panel bulges towards the blast, i do not understand what you say about you cannot repair this problem? Blasting causes stretching, on a convex surface , it is quite OK, the stretching relaxes back. on a concave surface, it does not and it is buggered. And who has 8 hours to blast a fender at 40 PSI?