24-05-2018, 02:50 PM
(24-05-2018, 10:55 AM)Ian Williams Wrote: Interesting Stuart, I have two genuine Rist horn's here and both are not 2BA, in fact a 2BA nut goes straight over the studs 5/32 BSW is correct for mine so perhaps there was a variation.
Hi Ian, just tried a third Rist's horn and it is as you suggest 5/32x32tpi BSW, so there is (was) variation.
5/32 Whit is of course the same size as the original Meccano thread.
Regards
Stuart