Hi Chriss, Have a look at this link, it like a yarrow boiler but with curly tubes the builder lives in Abingdon and is a member of the COSME club in Oxford. You may know John Winn already. http://users.skynet.be/modelbouw.wilfried/ketel%202t/steamboiler.htm I have his phone number somewhere when i can find it. Regards John Burridge > Message Received: Sep 28 2012, 10:46 AM > From: "Chris Crosskey" <chris.crosskey@xxxxxxxxx> > To: "modeleng@xxxxxxxxxxxxx" <modeleng@xxxxxxxxxxxxx> > Cc: > Subject: [modeleng] Yarrow boiler from ME 4366 onwards (2010) > > Hi folks, I can't find my copies of ME from that period, if anyone can have a > quick look and tell me what size and length the various tubes are and whether > or not it's acceptable for them to be rolled or whether they need to be > seamless it would be helpful from memory they mentioned a heated area > equivalent to a decently sized 7 ¼" loco boiler.... > QA Engineer > Vicon Motion Systems, Oxford. > > > ________________________________________________________________________ > This e-mail, and any attachment, is confidential. If you have received it in > error, do not use or disclose the information in any way, notify me > immediately, and please delete it from your system. > ________________________________________________________________________ > 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.