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R&W Allwin Restoration

Postby JC » Thu Jan 03, 2013 6:01 pm

Mark Monroe wrote a very interesting article for issue 71, giving an account of the restoration of his Ruffler & Walker Fill ‘em Up allwin. Having stripped off the nasty yellow paint job and continued with stripping and cleaning the mechanism, polishing the case etc., Mark was left with one last job, to find a missing part – the payout knob. The knobs on these R&W machines are large cast aluminium jobbies, more like door knobs. They have to be large as there is a lot of mechanism to shift when the knob is turned. As an original knob was not available, Mark decided to cast his own – something most of us would not even have contemplated. As he didn’t have the facilities to cast in aluminium, Mark used a white metal known as ‘Prince August’, which is more commonly used for producing toy soldiers. As it has a relatively low melting point, it is an ideal material for the home hobbyist.

Mark emailed me a large number of pictures to accompany the article, most of which I was unable to use – partly due to space, but also due to the fact they are quite dark and would have looked pretty awful in b&w. So here they are:
R&W 1.jpg
Mark's allwin, before restoration
(and with a missing knob)!
R&W 2.jpg
The knob on another R&W machine.
R&W 2.jpg (47.84 KiB) Viewed 3062 times
R&W 3.jpg
Some of Mark's sketches before producing the mould.
R&W 4.jpg
Half of the mould.
R&W 5.jpg
The other half of the mould, showing the markings for the flutes, which have been hand filed.
R&W 6.jpg
The 'bung' which will be assembled with the mould, and will form the hollow in the knob when the molten metal is poured.
R&W 7.jpg
Both halves of the mould and some sticks of Prince August metal.
R&W 8.jpg
The Prince August metal, broken up and ready for melting.
R&W 9.jpg
The assembled mould, having had molten white metal poured into it.
Almost there!
R&W 10.jpg
Breaking open the mould.
R&W 11.jpg
Cleaning up the casting.
R&W 12.jpg
Drilling the hole for the spindle.
R&W 13.jpg
The completed knob, with spindle fitted.
R&W 14.jpg
Mark's finished machine, complete with nice new shiny knob.

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Re: R&W Allwin Restoration

Postby andydotp » Fri Jan 04, 2013 11:33 pm

What a terrific post - thanks JC and well done Mark on a superb restoration job.

Posts: 512
Joined: Tue Nov 03, 2009 4:03 pm

Re: R&W Allwin Restoration

Postby 13rebel » Sat Jan 05, 2013 1:17 pm

Hear hear! **xXx**

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