RexAshton Posted October 8, 2016 Share Posted October 8, 2016 Hi everyone. Can any of you lovely people help me out with what the coupled wheelbase should be on an Aspinall class 27 0-6-0. I know I can get frames from Alan Gibson but I need to know if I can get coupling rods ready etched or whether I need to use the universal ones. Thanks. Link to post Share on other sites More sharing options...
brossard Posted October 8, 2016 Share Posted October 8, 2016 Can't help with the wheelbase Rex. I have used the Gibson universal rods and achieved a good result. I haven't checked but Gibson probably do rods if the frames are listed. An email to Colin should elicit an answer. I think it would help folk here if you could expand a bit on what you have. Pictures are always welcome. John Link to post Share on other sites More sharing options...
RexAshton Posted October 8, 2016 Author Share Posted October 8, 2016 Can't help with the wheelbase Rex. I have used the Gibson universal rods and achieved a good result. I haven't checked but Gibson probably do rods if the frames are listed. An email to Colin should elicit an answer. I think it would help folk here if you could expand a bit on what you have. Pictures are always welcome. John Hi John It's an old MPD kit which I built some years ago to 00 standards. I want to rebuild it to 18.83 but sadly don't have the old chassis as reference. The intended spec is:- Alan Gibson frames, spacers, wheels and rods. High Level Kits hornblocks possibly with springy beams. High Level Kits gearbox Mashima 1224 motor. DCC sound. A rough measurement on the splashers would suggest 8'00" x 8'9" wheelbase but I'd like to be sure. Link to post Share on other sites More sharing options...
brossard Posted October 8, 2016 Share Posted October 8, 2016 I googled the loco and found several sites and quite a few good photos. Why these sites can't post something as basic as wheelbase I don't know. I note that Mousa Models have a Class 27 chassis kit in prep. You might want to contact Bill: http://www.mousa.biz/fourmm/loco/frames/lms_loco_frames4.html Bill's kits are superb. I've tried the High Level system of CSB and find it too fiddly and labour intensive for my taste. I'll stick to beam compensation which is easy and relatively foolproof. Another lesson is that the gearbox for the driven axle needs to be very narrow (~9mm IIRC) even with the low profile hornblocks. HL do one. John Link to post Share on other sites More sharing options...
RMweb Premium t-b-g Posted October 8, 2016 RMweb Premium Share Posted October 8, 2016 7'9" x 8' 7". That is what is listed on the Premier Components website for their milled 7mm coupling rods. Not quite the same as checking a GA but better than the details we haven't got! Link to post Share on other sites More sharing options...
brossard Posted October 8, 2016 Share Posted October 8, 2016 Just another thought, all of the Bill Bedford kits I've done are designed for springing. John Link to post Share on other sites More sharing options...
Branwell Posted October 8, 2016 Share Posted October 8, 2016 7'3" x 7'9" according to the drawing in Barry Lane's book Link to post Share on other sites More sharing options...
Tiptonian Posted October 8, 2016 Share Posted October 8, 2016 There was an article in Railway Modeller April 2005 which confirms the wheelbase to be 7' 9" + 8' 7". It was the Barton Wright design from which the class 27 was derived which had the 7' 3" + 7' 9" wheelbase Link to post Share on other sites More sharing options...
RexAshton Posted October 8, 2016 Author Share Posted October 8, 2016 Thanks everybody. Looks like it's 7'9" x 8'7" then. It'll have to be the universal rods. Link to post Share on other sites More sharing options...
woodbine Posted October 8, 2016 Share Posted October 8, 2016 Thanks everybody. Looks like it's 7'9" x 8'7" then. It'll have to be the universal rods. If you are sourcing the frames from either AG or Mousa, then your wheel centres, and therefore the coupling rods, will have to match those frames, whether that tallies with the prototype or not. Link to post Share on other sites More sharing options...
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