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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Blasting crankcases
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<blockquote data-quote="Cyborg" data-source="post: 104623" data-attributes="member: 3426"><p>For stripper, you would probably have to see what's available for industrial use. Any aircraft maintenance bases around your area? They would know what is available. Who knows you might find someone sympathetic to your cause. If you can't find anything perhaps they can suggest something else. If I hadn't had such success with my Commando cases, I wouldn't be a promoter of chemical strippers and hate abrasive blasting so much. When I was done with the cases, they looked exactly like they did when they came out of the factory mold. The surface was perfectly clean and not altered in any way and they looked like they would pass for NOS. Perfect for restoration and no worries about abrasives hiding anywhere. I wish I could find that same stripper.</p><p>You could try cleaning a few pieces in a bath of oxalic acid and see if you like the results. It should still be available there in dry form and you can mix it to whatever strength you want. Plus it will come in handy for cleaning other things. Easier to dispose of afterwards.... diluted enough, its no worse than tossing out your rhubarb leaves. On this timing cover, it goes from.. as is, to B15 stripper, to oxalic acid bath. It will give slightly different results depending on the alloy, so something to keep in mind if doing a test.</p><p></p><p>[ATTACH=full]26023[/ATTACH]</p></blockquote><p></p>
[QUOTE="Cyborg, post: 104623, member: 3426"] For stripper, you would probably have to see what's available for industrial use. Any aircraft maintenance bases around your area? They would know what is available. Who knows you might find someone sympathetic to your cause. If you can't find anything perhaps they can suggest something else. If I hadn't had such success with my Commando cases, I wouldn't be a promoter of chemical strippers and hate abrasive blasting so much. When I was done with the cases, they looked exactly like they did when they came out of the factory mold. The surface was perfectly clean and not altered in any way and they looked like they would pass for NOS. Perfect for restoration and no worries about abrasives hiding anywhere. I wish I could find that same stripper. You could try cleaning a few pieces in a bath of oxalic acid and see if you like the results. It should still be available there in dry form and you can mix it to whatever strength you want. Plus it will come in handy for cleaning other things. Easier to dispose of afterwards.... diluted enough, its no worse than tossing out your rhubarb leaves. On this timing cover, it goes from.. as is, to B15 stripper, to oxalic acid bath. It will give slightly different results depending on the alloy, so something to keep in mind if doing a test. [ATTACH type="full" alt="26023"]26023[/ATTACH] [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Blasting crankcases
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