Thankyou for sticking-up for 3½, Alan! I have seriously considered Doris. I have seen two of these running on the Chelmsford track, and they were quite different. One builder said "Never again!" and the other recommended doing a tank engine in 5-inch gauge. Best wishes, Jem ----- Original Message ----- From: "alan Stepney" <alan@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> To: <modeleng@xxxxxxxxxxxxx> Sent: Monday, September 26, 2005 9:12 PM Subject: [modeleng] Re: [modeleng] Re: [modeleng] 3½ versus 5 >I am going to go against the trend and advice 3 1/2" IF, and only if, you > have a track or club, that accepts that size. > > The ML10 is an excellent lathe, but it is small, and will limit what you > can > build. > Unless you farm out some work, the lathe size should be the deciding > factor. > > In 5", I expect you could manage Ajax, but even Simplex might be beyond > the > lathes capabilities. > (I would need to check on the drawings to be sure.) > I dont know about Sweet pea, as I havent seen the drawings. However, it > isnt > one of my favourites. > > 3 1/2" is smaller, lighter to carry and easier to transport around. > They can haul a decent load, and many engines regularly haul a dozen or > more > passengers round club tracks. > Look at the results for IMLEC and you will see what 3 1/2" engines can do > and how well they run. > > The other advantage is that the cost of materials is less. Ruin a casting > and you only need speak nicely to the bank manager, not go down on bended > knee !! > > At the end of the day, what you build should be what you can run, and, > most > importantly, an engine that you like the look of. > > Alan Stepney > > http://www.alanstepney.info > Model Engineering & steam engine information pages > > 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.