[modeleng] Re: Nuts and Bolts
- From: "John Pagett" <john_pagett@xxxxxxxxxxxxxxxx>
- To: <modeleng@xxxxxxxxxxxxx>
- Date: Sun, 1 Oct 2006 22:07:58 +0100
It's 3 , Al.
And it's 1 yard from the King's nose to the end of his arm.
I'm blowed if I know whether you'd ever get 36 inches in a yard that way
though!
JohnP
----- Original Message -----
From: "Allen Messer" <al_messer@xxxxxxxxx>
To: <modeleng@xxxxxxxxxxxxx>
Sent: Sunday, October 01, 2006 9:02 PM
Subject: [modeleng] Re: Nuts and Bolts
This is all so confusing. Tell me again--how many
Barleycorns to the inch??
Al Messer
--- John Pagett <john_pagett@xxxxxxxxxxxxxxxx> wrote:
> The pitch for 0BA is a bit out - should be 25.4 tpi
> exactly, cos it's a 1mm
> pitch.
>
> The pitch of any BA thread (in mm) is 0.9 raised to
> the power of the BA
> number, so 0BA is 1mm, 1 BA is 0.9mm, 2 BA is 0.81mm
> etc. Trouble is, you
> end up with silly numbers of decimal places after
> that!
>
> Nevertheless, a useful chart, Ian
>
> JohnP
>
> ----- Original Message -----
> From: "I.D.PRIEST." <idpriest@xxxxxxxxxxxxxxxx>
> To: <modeleng@xxxxxxxxxxxxx>
> Sent: Sunday, October 01, 2006 9:54 AM
> Subject: [modeleng] Nuts and Bolts
>
>
> Greetings all,
> Have a look at this, might be of use to some of you.
>
> Regards IDP
>
>
>
http://www.britishfasteners.com/images/nuts_bolts_key.pdf#search=%22british%20association%20nuts%22
>
> "Life should NOT be a journey to the grave with the
> intention of arriving
> safely in an attractive and well preserved body, but
> rather to skid in
> sideways, Champagne in one hand - strawberries in
> the other,
> body thoroughly used up, totally worn out and
> screaming WOO HOO - What a
> Ride!"
>
> "Never drive faster than your gaurdian angel can
> fly"
>
> Priest & Sons Model Engineers
> http://www.kinvermes.pwp.blueyonder.co.uk/p1.htm
>
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