<div dir="auto">Actually this was really a Lucas thing. They appear to have only changed away from BSW, BSF and BA in new product designs after the early '60's so items like starters, generators, switches etc continued to be produced with the old thread configurations well into the '70s and beyond.<div dir="auto"><br></div><div dir="auto">M<br><div dir="auto"><br></div></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sun., Dec. 27, 2020, 9:42 a.m. Bluehealey, <<a href="mailto:bluehealey@gmail.com">bluehealey@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="auto">I had various Fords and Vauxhall’s (UK) during the late 60’s into early 70’s and it was still Whitworth until the end of Dynamo’s (Generators) and the arrival of Alternators.<div>Strange but true.<br><br><div dir="ltr">Alan - from my iPad</div><div dir="ltr"><br><blockquote type="cite">On 27 Dec 2020, at 14:26, Alan Seigrist <<a href="mailto:healey.nut@gmail.com" target="_blank" rel="noreferrer">healey.nut@gmail.com</a>> wrote:<br><br></blockquote></div><blockquote type="cite"><div dir="ltr"><div dir="auto">whitworth thread would make the most sense with soft metal</div><div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sun, 27 Dec 2020 at 9:57 PM, Bluehealey <<a href="mailto:bluehealey@gmail.com" target="_blank" rel="noreferrer">bluehealey@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="auto"><div>Hi Team</div>Mike is spot on with this. It has always been 5/16Whit since God was a boy. That is partly where the problems lie. It is toooooo easy to strip the alloy if a 5/16UNC is substituted. Then you are reduced to a nut and bolt solution using anything you have around.<div>Happy New Year to you all.<br><br><div dir="ltr">Alan - from my iPad</div><div dir="ltr"><br><blockquote type="cite">On 27 Dec 2020, at 13:11, Michael Salter <<a href="mailto:michaelsalter@gmail.com" target="_blank" rel="noreferrer">michaelsalter@gmail.com</a>> wrote:<br><br></blockquote></div><blockquote type="cite"><div dir="ltr"></div></blockquote></div></div><div dir="auto"><div><blockquote type="cite"><div dir="ltr"><div dir="auto">Actually I'm pretty sure that that is a 5/16" Whitworth thread. .. not B.S.F.<div dir="auto">The same thread continued right throug production long after everything else saw changed to U.N.F.</div><div dir="auto"><br></div><div dir="auto">M</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sun., Dec. 27, 2020, 3:37 a.m. Alan Seigrist, <<a href="mailto:healey.nut@gmail.com" target="_blank" rel="noreferrer">healey.nut@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">To clarify, originally there was a set screw (i.e., a fully threaded hex bolt) there to be the final tighten for the bracket.....</div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sun, Dec 27, 2020 at 4:25 PM Alan Seigrist <<a href="mailto:healey.nut@gmail.com" rel="noreferrer noreferrer" target="_blank">healey.nut@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">Hi Michael -<div><br></div><div>If threaded, that hole should be either 5/16ths BSF or 3/8ths BSF. I will have to check.</div><div><br></div><div>Best Regards,</div><div><br></div><div>Alan</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sun, Dec 27, 2020 at 8:27 AM Michael MacLean <<a href="mailto:rrengineer.mike@att.net" rel="noreferrer noreferrer" target="_blank">rrengineer.mike@att.net</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div><div style="font-family:"times new roman","new york",times,serif;font-size:16px"><div dir="ltr">Can someone tell me the fastener arrangement for this hole in the generator front plate of my BN2? From some pictures I see on the web there is a nut on the backside of the generator plate. Why then is the hole threaded? (and it's not UNF) What thread/size fastener and/or nut do I need? <br></div><div dir="ltr">Mike MacLean<br></div></div></div>_______________________________________________<br>
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