Archived posting to the Leica Users Group, 2006/01/24
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]The return of sanity. B. On 24-jan-2006, at 20:10, Philippe Orlent wrote: > http://www.hammerite.com/uk/products/ > ps_dtr_metal_paint_colours.html#hammered > > is this what you mean? > > > Op 24-jan-06, om 20:03 heeft Jack C. Herron het volgende geschreven: > >> Vick, >> Wrinkle finishes, as opposed to crackle, which are something >> different, are created by spraying a special paint, waiting a >> specified time, say three minutes, then laying down another coat. >> The wrinkling effect is caused by the solvents in the second coat >> softening and expanding the partially dried first coat. This is >> really just a rigidly controlled example of the failure one >> experiences when you do not allow adequated drying time between >> coats of normal paint and get a catastrophic wrinkle. >> On the plus side, the paint, or I should say, a paint can be >> obtained in aerosol cans from most full service paint stores or >> art stores, usually in grey or black. For the effect the process >> is reasonably uncritical. Making a reasonable attempt to follow >> the manfactorers directions will result in a wrinkle of some sort, >> acceptable for normal uses, ie, cases on electronic instruments. >> On the negative side, obtaining a specific pattern of wrinkling >> is critically dependant on many variables, all of which must be >> held to close tolerances which are difficult in the home shop. >> The effect is dependant, among other things, on the thickness of >> the first coat, the drying time between coats, the temperature and >> relative humidity, the thickness of the second coat, the >> temperature of the final drying (the wrinkling can be hastened by >> heating in an oven) and the skill with which an absolutely uniform >> series of coats is applied to a 3 dimensional object. Also it is >> likely that the paint that ALPA uses is not the same as that >> commercially available. >> I have to admit that I think it unlikely that one would succeed >> in matching the ALPA coating, but-- >> Having said that, I would, and would encourage you, to go buy a >> couple of cans, practice with some flat surfaces, cut some wood >> blocks to approximate camera bodies, practice some more and see >> what you get. You might get what you want, in which case, your >> problem will be to do exactly the same thing again. You might >> also find a custom variation which you like better, your own >> unique finish. >> In any event, it is only a couple of bucks and should be a lot >> of fun. >> >> Keep pressing the paint can button, it'll come unstuck! >> >> Cheers, >> Jack >> Jack C. Herron >> 8118 E. 20th St. >> Tucson, AZ 85710 >> 520 885-6933 >> ----- Original Message ----- From: "Javier Perez" >> <summarex@hotmail.com> >> To: <lug@leica-users.org> >> Sent: Tuesday, January 24, 2006 10:52 AM >> Subject: RE: [Leica] Painting cameras, the ALPA black crackle finish >> >> >>> I think it has something to do with painting in a hot surface or >>> painting over a coat that reacts slightly. Voigtlander is now >>> doing a crackle finish on the new bessas I think. >>> Javier >>> >>>> From: <vick.ko@sympatico.ca> >>>> Reply-To: Leica Users Group <lug@leica-users.org> >>>> To: <idcc@kjsl.com>, <lug@leica-users.org> >>>> Subject: [Leica] Painting cameras, the ALPA black crackle finish >>>> Date: Tue, 24 Jan 2006 10:33:04 -0500 >>>> >>>> To those who paint cameras, does anyone know how to create the >>>> ALPA black crackle finish? >>>> >>>> I would love to have an M3 with that finish. >>>> >>>> Can this be done "at home"? >>>> >>>> regards >>>> Vick >>>> >>>> >>>> _______________________________________________ >>>> Leica Users Group. >>>> See http://leica-users.org/mailman/listinfo/lug for more >>>> information >>> >>> >>> >>> _______________________________________________ >>> Leica Users Group. >>> See http://leica-users.org/mailman/listinfo/lug for more information >> >> >> _______________________________________________ >> Leica Users Group. >> See http://leica-users.org/mailman/listinfo/lug for more information >> > > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information