I think you have to be a member to see NGRM content, but hopefully I have copied and pasted the following:
[h=3] #32 brack[/h]
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Scale:O9
Posted 08 June 2013 - 11:08 PM
Yesterday morning I was informed that the loco really needed by my father was an O scale Cavan & Leitrim 440T. that afternoon I got home from work to see that a fellow forum member was also thinking about one in 7mm scale... Sometimes things all come together at the right moment. Being a dutiful son, I had a few spare hours to get started on this today (this counts as a fathers day present if you're reading!)
The smokebox door fasterner is only a placeholder - I find that locos look a bit weird without them, making it trickier to judge if things look right or not. I'm not entirely hapy about the base of the chimney or dome, so I'll probably revisit them in the future. I'm working from the 7mm NGA drawings, which aren't the greatest (chimney/dome not symmetrical, cab cut out wrong shape, cab rear missing lots of bits) but are obviously much better than no drawing. I have a few photos, but should anyone have photos from above one, or more accurate drawings they'd like to share, please feel free to PM me. Of course the detail differences between the 8 of them make photos a tricky thing to use - I think there were replacement boilers from hunslet and barclays, plus the originals, plus the later 4 having extra cab windows/cut outs for the tramway....
Since the loco is 178.5mm long (25'6") and the maximum side of the bounding box for FUD is er 178mm, I might give prime gray a try for this one (its a bit cheaper too). The idea is to use plastic or brass tube for the boiler, with the rest printed. I may separate the boiler fittings so they can be done in FUD or similar. Current thinking is to print the chassis as well, and use a nic emotor/gearbox combination.