This example shows a tyre width of 3.5 mm for Gauge 0 Fine.
	For other standards remove more or less metal from the back of the wheel to give your chosen tyre width.	
	
			
		7′ 0″ diam., 22 oval spokes, rectangular inner rim, apparent tread 3½″, tyre width 5¾″.
		Hub 15¼″ face dia., 1″ out from the tyre.
Source: works drawing.
Casting: 47.4 mm tread dia., 43.7 mm i/d., hub 0.6 mm out from the tyre.
Casting prices and stock . Netherlands loco sets, price list
			
		Scan of a casting in  sets for: 
  
		SS 800/NS 1700 class 4-4-0   and for 
		2-4-0 SS 300 class, NS 1300 class.  (Later, with oval spokes).
  
	
	
	24 Sept 2018