I agree, but to the British guys, who have been building locomotives from brass sheet for decades, this is old hat.
--- In [email protected], "David Engle" <riroc...@...> wrote: > > Didn't Model Railroader have an article years ago about rolling steam boilers > up from brass sheet? Maybe that would help. Latecomer to the thread. DJE > > ----- Original Message ----- > From: Pieter Roos > To: [email protected] > Sent: Wednesday, January 05, 2011 8:35 AM > Subject: Re: {S-Scale List} Shaping a brass roof > > > > Hi Thorin; > > I did a search on "curving brass sheet" and found this forum thread that > may be useful. > > http://forum.woodenboat.com/showthread.php?81225-Bending-brass > > You might want to test on a couple of pieces of plain .040 brass sheet > before doing the etched roof. I'd follow the suggestion of annealing, then > roll the roof using a metal rod or wood dowel on a padded surface (cutting > mat or a couple of dish towels should work). > > Pieter E. Roos > > --- On Wed, 1/5/11, Thorinn Marty <lagt...@...> wrote: > > > Good morning, > > I am assembling a brass > > steeplecab kit. All of the pieces come flat. > > The roof consists of a piece of 0.040" thick brass. > > (Wire gauge 19.) I am > > supposed to curve it to create a standard boxcab roof: flat > > with curves only > > from side-to-side. The radius at the edge is about > > 1/4 inch and the rest is a > > wide, gentle curve. > > > > I just shaped the first roof for my steeplecab fleet. > > It was not fun and I am > > not trilled with the results. (Fortunately a > > wooden pantograph platform will > > cover most of the mess.) The piece is too wide > > for my bending brake. My hands > > are not strong enough to shape this 0.040 or 19 gauge > > brass sheet. It is too > > slippery for my vice to hold with a rod plus I am > > trying to not damage the > > rivet detail. Do I need a specialty tool? > > > > This one is small at only 3 1/2 inches in length. I > > plan to build some big > > boxcabs, starting with a NYNH&H EF-3b. These will > > be the same width but much > > longer. > > > > I know these lists includes some masters of brass. > > How do you shape such > > things? > > Thorin > > > > > > [Non-text portions of this message have been removed] > ------------------------------------ Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/S-Scale/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/S-Scale/join (Yahoo! ID required) <*> To change settings via email: [email protected] [email protected] <*> To unsubscribe from this group, send an email to: [email protected] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
