[Healeys] Fasteners Again

[Bluehealey]

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.
Strange but true.

Alan - from my iPad

> On 27 Dec 2020, at 14:26, Alan Seigrist <healey.nut at gmail.com> wrote:
> 
> 
> whitworth thread would make the most sense with soft metal
> 
>> On Sun, 27 Dec 2020 at 9:57 PM, Bluehealey <bluehealey at gmail.com> wrote:
>> Hi Team
>> 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.
>> Happy New Year to you all.
>> 
>> Alan - from my iPad
>> 
>>>> On 27 Dec 2020, at 13:11, Michael Salter <michaelsalter at gmail.com> wrote:
>>>> 
>>> 
>> 
>>> Actually I'm pretty sure that that is a 5/16" Whitworth thread. .. not B.S.F.
>>> The same thread continued right throug production long after everything else saw changed to U.N.F.
>>> 
>>> M
>>> 
>>>> On Sun., Dec. 27, 2020, 3:37 a.m. Alan Seigrist, <healey.nut at gmail.com> wrote:
>>>> To clarify, originally there was a set screw (i.e., a fully threaded hex bolt) there to be the final tighten for the bracket.....
>>>> 
>>>>> On Sun, Dec 27, 2020 at 4:25 PM Alan Seigrist <healey.nut at gmail.com> wrote:
>>>>> Hi Michael -
>>>>> 
>>>>> If threaded, that hole should be either 5/16ths BSF or 3/8ths BSF.  I will have to check.
>>>>> 
>>>>> Best Regards,
>>>>> 
>>>>> Alan
>>>>> 
>>>>>> On Sun, Dec 27, 2020 at 8:27 AM Michael MacLean <rrengineer.mike at att.net> wrote:
>>>>>> 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?  
>>>>>> Mike MacLean
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