http://groups.yahoo.com/group/steam_tech/ steam locomotives and technologies Wed, 10 Feb 2010 10:31:04 GMT Alan Bailey http://groups.yahoo.com/group/steam_tech/message/68361 http://groups.yahoo.com/group/steam_tech/message/68361 Hi All, especially those that live in the USA, I am trying to obtain a copy of the original (American) Boiler Inspection Act of February 17th 1911. (It is Wed, 10 Feb 2010 05:44:56 GMT Edward Jensen http://groups.yahoo.com/group/steam_tech/message/68360 http://groups.yahoo.com/group/steam_tech/message/68360 Ladies & Gents... Check out the link below. It's to my favorite web site. Be sure to scroll down through the comments and view the links there also. Wed, 10 Feb 2010 04:14:46 GMT Herbert http://groups.yahoo.com/group/steam_tech/message/68359 http://groups.yahoo.com/group/steam_tech/message/68359 Gents, As nothing is happening, except the odd shot fired acrorrrrsssss the Front, I shall regale you all with a tale of the endeavours of two (three, Tue, 09 Feb 2010 09:31:14 GMT Herbert http://groups.yahoo.com/group/steam_tech/message/68358 http://groups.yahoo.com/group/steam_tech/message/68358 Mick, I had no idea (nor had I ever checked!) that the 59's had such a non-standard NSWGR Lead! Good heavens! Thanks for the correction. Cheers, Oz Pete Tue, 09 Feb 2010 08:27:42 GMT Mick Duncan http://groups.yahoo.com/group/steam_tech/message/68357 http://groups.yahoo.com/group/steam_tech/message/68357 Gday Joe / All Ive just had a look at the 38 Valve table and it gives 3/64 at all Co in Forward gear. It does give 1/16 front and 3/64 back in reverse.The Tue, 09 Feb 2010 08:27:40 GMT Mick Duncan http://groups.yahoo.com/group/steam_tech/message/68356 http://groups.yahoo.com/group/steam_tech/message/68356 Gday Pete / All The Baldwin 59 was virtually off the shelf, a 2nd WW military design for overseas railways and I suppose Con Cardew didnt think it was worth Tue, 09 Feb 2010 00:06:21 GMT Herbert http://groups.yahoo.com/group/steam_tech/message/68355 http://groups.yahoo.com/group/steam_tech/message/68355 Dave, While I agree with your general thrust, I must protest, if I may, at the implicit snub of radial gears? Over the 100 or so years of the more or less Mon, 08 Feb 2010 14:23:00 GMT davelathrop@... http://groups.yahoo.com/group/steam_tech/message/68354 http://groups.yahoo.com/group/steam_tech/message/68354 There's no benefit in dithering over slight variations in valve gear settings - at least in steam locomotives with a radial driven gear. Design is an academic Mon, 08 Feb 2010 12:15:27 GMT Herbert http://groups.yahoo.com/group/steam_tech/message/68353 http://groups.yahoo.com/group/steam_tech/message/68353 G'day Mick, How the 1/4" Lead on the NSWGR 1952 Baldwin-Lima-Hamilton 59 class Mikes ever slipped past Con Cardew's views on these matters, God only knows? Mon, 08 Feb 2010 11:03:49 GMT Herbert http://groups.yahoo.com/group/steam_tech/message/68352 http://groups.yahoo.com/group/steam_tech/message/68352 Joe, Not sure I'm clear on this 'back port' business? Must get a steamchest assembly drawing, and have a peek? I assume the paper suggests that the Lead at the Mon, 08 Feb 2010 10:23:20 GMT Joseph Cliffe http://groups.yahoo.com/group/steam_tech/message/68351 http://groups.yahoo.com/group/steam_tech/message/68351 Mick Sorry,it was in Harold Youngs 1944 paper as you mention, there are therein some slight variations in the valve events table as given in my reply to Pete. Mon, 08 Feb 2010 10:03:49 GMT Joseph Cliffe http://groups.yahoo.com/group/steam_tech/message/68350 http://groups.yahoo.com/group/steam_tech/message/68350 Pete Back port means the main back end cylinder port which is given as 3/64 . The designed lead is stated as 1/16 but there is an actual variation of 1/64 Mon, 08 Feb 2010 09:57:52 GMT Mick Duncan http://groups.yahoo.com/group/steam_tech/message/68349 http://groups.yahoo.com/group/steam_tech/message/68349 Gday Ron There was a Herr Trick who is credited with the Trick port. Its also a bit tricky. Dunno any more. Cheers, Mick. 3d. Re: Re Double Admission Mon, 08 Feb 2010 09:48:11 GMT Mick Duncan http://groups.yahoo.com/group/steam_tech/message/68348 http://groups.yahoo.com/group/steam_tech/message/68348 Gday Pete / All The 59 2-8-2s,built by Baldwin had 21 x 28" cyls, 10" dia valves, 2" port width, 1-1/4" lap, 1/4" lead, 6-1/2" trav in FG and a PP 1:7.7 Mon, 08 Feb 2010 09:48:08 GMT Mick Duncan http://groups.yahoo.com/group/steam_tech/message/68347 http://groups.yahoo.com/group/steam_tech/message/68347 Gday Joe / All I assume you are talking about the 38 class. As built they had 21.5 x 26 Cyls, 12 Dia Valves, 2" Port width,open to 1-29/32" in FG,Ltd CO.