Tony, may I suggest a design? I would consider a Vertical Firetube design, such as the LBSC design, MAP plan No. LO-86 and fire it with Propane since you want a small reliable boiler for operating your models mainly at home. I think that this boiler is well within your abilities. Al Messer --- Phill Smith <steam@xxxxxxxxxxxxxx> wrote: > Tony, > > I, personally, don't understand why you don't just > make your own. They are > really easy to make. There is nothing hard about it > at all. > > All you need is the following; > > - oxy-acetylene torch (use the cutting torch as the > large quantity of small > flames is the best heat source) > - Copper tube (for both barrel and end plates, > flues, and Galloway tubes if > required) > - Gun metal / Phosphor bronze for bushes > - steel for endplate former > - Silver solder (2 grades) -- 245 (45% silver) for > bushes and > lues/tubes: -- 115 (15% silver) for attaching your > end plates. > - Sulphuric acid (battery acid) for pickle bath. I > add 1L of acid to 10L > water, and find this OK if I get it on my hands (no > burns) > - 20L plastic bucket for pickle bath > - Flux (for the 245 silversolder) > - Hand tools > > That's about it........ Of the top of my head I > can"t think of anything > else..... > > The first thing to do when deciding to build a > boiler is to decide your > fuel.... As that will often determine the style of > boiler that you build. > Have a look in Harris's book at the different > styles/configurations of > boilers, and then decide how big you want it. Then > start making it..... It's > that easy. > I would seriously recommend that you get hold of a > copy of the Aussie copper > boiler code, as this will solve all your thickness > and stay sizing/spacing > issues. Something to note though, is that the Aussie > code tends to use much > thicker materials than required, as it is designed > to protect EVERYONE from > the idiot boiler builder. > > Cheers, > > Phill. > > > > > ----- Original Message ----- > From: "Tony Wells" <oaksfield@xxxxxxxxxxxxxxx> > To: <modeleng@xxxxxxxxxxxxx> > Sent: Saturday, September 10, 2005 3:08 AM > Subject: [modeleng] Re: Steam engine RPM? > > > > It is not verbotten at all Al, I just lack the > cheek to ask! I do have > that > > nice long length of seemless copper tubing to > trade if anyone is > interested > > however .... Is there so much to boiler making > though ??? In my naiveity, > I > > would have thought that at the low pressures > involved a bit of silver > solder > > would go a long way, and I have plenty of that > too! > > > > Tony. > > > > ----- Original Message ----- > > From: "Allen Messer" <al_messer@xxxxxxxxx> > > To: <modeleng@xxxxxxxxxxxxx> > > Sent: Friday, September 09, 2005 7:58 PM > > Subject: [modeleng] Re: Steam engine RPM? > > > > > > > Glad to help out as I don't want you blowing > yourself > > > sky high with an improperly made steam boiler! > If > > > that happened, with whom would I discuss > politics? > > > > > > Have you though of posting a query on the > Modeleng > > > list to see if any of our listees would build > you a > > > boiler, or is this verboten? > > > > > > Al > > > > > > --- Tony Wells <oaksfield@xxxxxxxxxxxxxxx> > wrote: > > > > > >> A belated thanks for this "headzup" (???) Al! > > >> > > >> Tony. > > >> > > >> > > >> ----- Original Message ----- > > >> From: "Allen Messer" <al_messer@xxxxxxxxx> > > >> To: <modeleng@xxxxxxxxxxxxx> > > >> Sent: Thursday, September 08, 2005 5:11 PM > > >> Subject: [modeleng] Re: Steam engine RPM? > > >> > > >> > > >> > Tony, if you are thinking of building your > own > > >> boiler, > > >> > run, don't walk, to your nearest agent for > Tee > > >> > Publications and buy yerself a copy of K. N. > > >> Harris' > > >> > book "Model Boilers & Boilermaking" and if > you > > >> want it > > >> > to look scale, there are several vendors of > model > > >> > steam fittings in Britain that are excellent. > > >> > > > >> > Al Messer > > >> > > >> > > >> MODEL ENGINEERING DISCUSSION LIST. > > >> > > >> To UNSUBSCRIBE from this list, send a blank > email > > >> to, > > >> modeleng-request@xxxxxxxxxxxxx with the word > > >> "unsubscribe" in the subject line. > > >> > > > > > > > > > > > > > > > > > > > ______________________________________________________ > > > Click here to donate to the Hurricane Katrina > relief effort. > > > http://store.yahoo.com/redcross-donate3/ > > > MODEL ENGINEERING DISCUSSION LIST. > > > > > > To UNSUBSCRIBE from this list, send a blank > email to, > > > modeleng-request@xxxxxxxxxxxxx with the word > "unsubscribe" in the > subject > > > line. > > > > > > > > > MODEL ENGINEERING DISCUSSION LIST. > > > > To UNSUBSCRIBE from this list, send a blank email > to, > > modeleng-request@xxxxxxxxxxxxx with the word > "unsubscribe" in the subject > line. > > > > > > > > MODEL ENGINEERING DISCUSSION LIST. > > To UNSUBSCRIBE from this list, send a blank email > to, > modeleng-request@xxxxxxxxxxxxx with the word > "unsubscribe" in the subject line. > ______________________________________________________ Click here to donate to the Hurricane Katrina relief effort. http://store.yahoo.com/redcross-donate3/ MODEL ENGINEERING DISCUSSION LIST. 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