mswjr Posted November 18, 2020 Share Posted November 18, 2020 Hi All, Can anyone tell me a u,k locomotive wheel width please, I have looked online for an age, I can get the profile and tyre thickness etc, But not anything on the width, I am building a scale locomotive in 3 1/2 inch gauge, 3 1/2 inch gauge works out scale for 4ft 8inch , So i am ok for the in between width, But my model wheels will foul on the outside ,If i make them to model standards, I need to know what full size wheels are min and max so i can work out my wheels. Thanks Garry Link to post Share on other sites More sharing options...
RMweb Gold Dagworth Posted November 18, 2020 RMweb Gold Share Posted November 18, 2020 https://www.researchgate.net/figure/UIC-ERRI-wheel-profile-with-diameters-between-D-1000-mm-and-d-760-mm_fig1_281848387 1 Link to post Share on other sites More sharing options...
mswjr Posted November 18, 2020 Author Share Posted November 18, 2020 Thankyou, I have been looking for ages. Link to post Share on other sites More sharing options...
Miss Prism Posted November 18, 2020 Share Posted November 18, 2020 (edited) The 135mm drawing is for rolling stock, and is a bit skinny for loco drivers. 6" at the tyre was typical for loco wheels, and more common. Edited November 18, 2020 by Miss Prism Link to post Share on other sites More sharing options...
mswjr Posted November 18, 2020 Author Share Posted November 18, 2020 My Loco is LION, An early loco, Doing it to scale, And everything is very close, I have all the works drawings, for the loco and tender so that is scale, But no info at all on the wheel width, I am hoping it is nearer 4 inch width, That would be better, Early locos may have had smaller width wheels, Just do not know . Link to post Share on other sites More sharing options...
Nick Holliday Posted November 18, 2020 Share Posted November 18, 2020 According to G W M Sewell - North British Railway Study Group - Locomotive Design Survey - by 1865 the "standard" width of a loco wheel was 5½ inches, with a "standard" back-to-back of 4 ft 5½ in, although it was usual, at least on the NBR, to increase the back to back for the driven axle to 4 ft 5¾ in, with the reduced wheel width of 5⅜ inches to compensate. 2 Link to post Share on other sites More sharing options...
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