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Double>> i've used those strip discs as well - they are far superior to wire wheels in my view.
Problem with my chassis is that a previous owner attempted to apply some sort of solid wax in most places, at least 1-2mm thick. If the strip disc picks up this wax, or grease for that matter, it continues cutting but adding a smear as it goes, requiring more cleaning. That's why I resorted to chemical stripping as it deals with the wax and grease.
I agree it is a wast to do the quality strip before welding. I found the chemical strip was good enough to get rid of the bulk crud to expose issues. Then exposed, you get a little surface rust. Then weld. After welding do the quality strip ie sandblast, then paint top coat straight on, as generally no need for degrease or phosphating.
Zinc bath in Darwin was going to be about $700 at a trailer place. But since I don't have a trailer big enough and zinc man concerned about warping I dropped the idea and decided to paint.
But I would go your way if Shakey is not blasting.
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Do you have a pressure washer :confused:
Let the chassis sit in the hot sun to soften the wax and spray export degreaser all over this ... then hit it with a high pressure washer (use hot water if you can). That may remove all of the wax that's causing issues.
https://www.aulro.com/afvb/images/im...015/01/497.jpg
this is the crap that was all over the engine bay of one of the cars I'm tinkering with at the moment. It was huge fun to strip too. I reckon it's 50year old brake fluid mixed with oil and dirt.
seeya,
Shane L.
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Pressure washer is on the 'to buy' list, something descent though - spare coin is going on the RRC conversion at the moment. And having one will just create more work...the house exterior...the tractor...the pathways...the kids bedrooms...
