Office of Steam Forum for Model & Toy Steam Gas & Hot Air Engines

The #20 looks like a factory paint job. 
The 1951 #10 flywheel paint looks like an owner's work. 
It is too much work to paint just the narrow center between the spokes.
Jensen painted their flywheels with a brush as quickly as possible with minimal work.
Could someone have taken a factory painted flywheel and stripped off the inside face on both sides? I suppose it's possible.
(I know this answer does not clear things up in a completely definitive manner)

Gil