[Bell Historians] Bellframes publication

[Gerry Anniss gerryanniss@gmail.com [bellhistorians]]

Chris
Thanks for the advice.
Please could you tell me where I could obtain a copy of Bellframes: A
practical guide.......?
Thanks.
Regards
Gerry Anniss
Steeplekeeper
St Marys, Almondsbury
07717474640

On 30 July 2017 at 10:24, 'Chris Pickford' c.j.pickford.t21 at btinternet.com
[bellhistorians] <bellhistorians at yahoogroups.com> wrote:

>
>
> A significant error in *Bellframes: a practical guide …* has just come to
> light, and I can see that it may cause confusion when trying to classify
> some types of frame. The error itself is minor (one word), but it’s enough
> to undermine the fundamental simplicity of the classification by main
> groups. 8.2.D.a is described as having “*wooden* sill, steel head …” –
> where (as this is in the “all metal” group) – the basic frame-type
> described has steel sills.
>
>
>
> There does seem to be confusion in submissions made to Dove regarding
> materials for metal frames, so it’s perhaps worth a quick overview as a
> reminder
>
>
>
> The main groups are
>
> 7. Composite frames of wood and metal
>
> 8. All metal frames, with sub-groups
>
>             8.1 Frames of steel and wrought iron
>
>             8.2 Steel frames with cast-iron components
>
> 8.3 Cast-iron frames
>
>
>
> Basically
>
> 1.    The materials define the groups (as above)
>
> 2.    Composite means timber and metal (but always with the bearings set
> in timber)
>
> 3.    Where the bearings are mounted is an aid to classification – are
> they on timber (=composite), steel or wrought-iron (groups 8.1 or 8.2
> depending on the rest of the truss), or cast-iron (group 8.3)
>
> 4.    The conventions involve a degree of shorthand (so all cast-iron
> frames contain steelwork – but the convention for description is cast-iron)
>
> 5.    Yes, there are some oddities (8.3.C.b-d which look composite – but
> are shown here in the classification scheme because the bearings are on the
> cast-iron members)
>
> 6.    There are two types of standard lowside frame – steel (8.1.B.a) and
> cast-iron (8.3.A.a-n); and the same for H-frame (8.1.F.e in steel and
> 8.3.C.e in cast-iron)
>
>
>
> Old restoration reports (sometimes the source for updates) often say that
> bells have been rehung in steel frames – beware, this is very often just a
> layman’s or general description, and no guide at all to the actual
> materials used. Distinguishing between steelwork and castings is easy
> enough – as a rule of thumb steelwork has straight edges, which casting
> have moulded sections (e.g. for bearing bedplates, ribs etc)
>
>
>
> Not a lecture! Just posting this in case it’s helpful to anyone who can’t
> quite get to grips with the nuances of the scheme. I’m always willing to
> help (within reason) with identifications and explanations, and certainly
> glad to hear of additional types and layouts (recurrent ones – the scheme
> can’t cover one-offs) for an eventual re-issue.
>
>
>
> *Chris Pickford*
>
> *E-mails* – moving to pickford5040 at gmail.com
>
>
>
> 
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.ringingworld.co.uk/pipermail/bell-historians/attachments/20170730/2b926063/attachment.html>