Stewart,
When Phil Clark was the inspector for my Spacewalker I machined up a back-plate for one of his FW190 models. I also had a 190 kit so I made up 2 of them at the same time. Some photos of the one for Phil are below. The one I made for me has machined rings around the 'spacer'. I have sold my 190 kit now so I don't need this back-plate. Just for info, it took about 7 hours to make each one and the 6" ally bar was approx £25 for each as well. The actual spinner is carbon fibre that Phil got made up somewhere.
Regards, Andy

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