Suitable for:
	the SFMES 13.6 mm, (0.535″) tyre width and 3.2 mm, (0.130″) flange depth.
	or the GL5 standard of 12.7 mm, (1/2″) tyre width and 3.97 mm (5/32, 0.156″) flange depth
 
	For  5½″ at this scale use 12.4 mm, 0.487″.		
	
			
		3′ 7″ diam., 10 rect spokes, rectangular inner rim, apparent tread 4″.
		Hub 14″ face dia., ½″ out from the tyre.
Source: early drawing.
Casting: 97 mm tread dia., 80.5 mm i/d., hub 1.1 mm out from the tyre. Weight 600 gr.
Casting prices and stock . 5 inch gauge loco sets, price list
	
	22 Nov 2020