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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Comet Mongrel
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<blockquote data-quote="Cyborg" data-source="post: 113331" data-attributes="member: 3426"><p>I half expected you might show up, but thought it would be to give me a digital kick in the stones for slagging the Comet’s HP.</p><p>Although I am sympathetic to your cause, I don’t totally agree. I would never powder coat a frame, especially one that was prone to cracking or one that I had monkeyed with. This one was sprayed with a relatively thin coat of epoxy primer followed by a thin coat of epoxy gloss black, so if anything untoward starts to happen it will immediately telegraph through to the surface. Normally my powder coating is reserved for brackets etc. I suppose having said that you could accuse me of hypocrisy because, although the oil tank will have rubber mounts there is always the possibility of stress cracks and repairing it with TIG would mean removal of the powder coating. I do have the rather nasty stuff to remove powder coating, but suspect I would have to use the same stuff on the epoxy... and it really stinks. In any event, if the fuel tank ends up being black, then it would make sense to paint the oil tank with the same epoxy. The belly pan is a different story. Being it is not near anything painted, I don’t think it will matter if the shade or gloss is slightly different. Thinking that powder coating will stand up better against the road rash/blast from the front tire.</p><p>On a side note... having gone to the trouble of making them out of aluminum, it seems a shame to coat them with anything. </p><p>Is there something else I’m missing with the powder coating?</p></blockquote><p></p>
[QUOTE="Cyborg, post: 113331, member: 3426"] I half expected you might show up, but thought it would be to give me a digital kick in the stones for slagging the Comet’s HP. Although I am sympathetic to your cause, I don’t totally agree. I would never powder coat a frame, especially one that was prone to cracking or one that I had monkeyed with. This one was sprayed with a relatively thin coat of epoxy primer followed by a thin coat of epoxy gloss black, so if anything untoward starts to happen it will immediately telegraph through to the surface. Normally my powder coating is reserved for brackets etc. I suppose having said that you could accuse me of hypocrisy because, although the oil tank will have rubber mounts there is always the possibility of stress cracks and repairing it with TIG would mean removal of the powder coating. I do have the rather nasty stuff to remove powder coating, but suspect I would have to use the same stuff on the epoxy... and it really stinks. In any event, if the fuel tank ends up being black, then it would make sense to paint the oil tank with the same epoxy. The belly pan is a different story. Being it is not near anything painted, I don’t think it will matter if the shade or gloss is slightly different. Thinking that powder coating will stand up better against the road rash/blast from the front tire. On a side note... having gone to the trouble of making them out of aluminum, it seems a shame to coat them with anything. Is there something else I’m missing with the powder coating? [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Comet Mongrel
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