Final post: Depending on size (dia.) and length you might consider getting sheet copper of the appropriate thickness and having a sheetmetal fabrication shop cut it and roll it to your dimensions. They could also form a lap seam or lock seam where the 2 edges meet and cut your end plates too. You might also want to consider aluminum, problably cheaper, if you have access to a TIG or heliarc welder. Try a local or area trade school and talk to the welding instructor. They might build what you want just for the student practice.
Buenos Noches Doug N3DAB --- In [email protected], "Paul Holm" <[EMAIL PROTECTED]> wrote: > > For all the looking I've done, I've only ever found one place on the web > that had 4" or larger copper pipe available. And it was something like > 30.00/foot. Has anyone found better sources for this type of pipe for > building cavities? > > 73 Paul > > > ----- Original Message ----- > > > If you look around the ham radio web sites, there are many articles on > > making > > 6 m duplexersw out of copper or aluminum pipe. Less expensive than having > > to biuy a factory-made one. > > > > 73, > > > > Dick > > > Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/Repeater-Builder/ <*> 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/
