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<div style="color:black;font:12pt Comic Sans MS, sans-serif;">Bob,

<div>If you had one available, how would you go about checking the thread angle? </div>



<div>Gary Hodson</div>



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<div style="font-family:arial, helvetica;font-size:10pt;color:black;"><font size="2">-----Original Message-----<br clear="none">
From: Bob Haskell via Healeys <healeys@autox.team.net><br clear="none">
To: Harold Manifold <manifold@telus.net>; john harper <ah100tech@gmail.com>; Hank Leach <gradea1@charter.net><br clear="none">
Cc: healeys@autox.team.net <healeys@autox.team.net><br clear="none">
Sent: Sun, Aug 8, 2021 7:14 pm<br clear="none">
Subject: Re: [Healeys] Speedo Drive Thread Size?<br clear="none">
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<div dir="ltr">Harold,<br clear="none"><br clear="none">As has been pointed out in separate emails, there are two standards that <br clear="none">include 3/4" dia with 26 TPI. British Standard Cycle with thread angle <br clear="none">of 60 degrees and British Standard Brass with a thread angle of 55 <br clear="none">degrees.  Since the speedo drive is brass I would suspect the latter, <br clear="none">but I don't have one handy to check.<br clear="none"><br clear="none">Cheers,<br clear="none"><br clear="none">Bob Haskell<br clear="none">Austin Healey 3000 BN7/BT7 registrar<br clear="none"><br clear="none">
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