Quote:
Originally Posted by Mike Kelly
I had a original 19 set frame . I have the drawings , or sketches I did , Is the # 21 the normal frame ?
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# 1 was the original frame for the AFV mounted supply unit and set. This was plated steel (probably cadmium, so be careful of any powdery corrosion).
# 21 was the later (green painted) version, probably less of a hazard, otherwise identical.
All screw threads are Imperial (BSF), the strap tensioner is 5/16-in BSC (British Standard Cycle Thread), which I think is 26 tpi. Taps/dies are available from various model engineering suppliers in the UK. It may be best to make the knurled knuts out of stainless steel rather than painting or electroplating them.
Best regards,
Chris.