If you have not received the latest copy of Steam
Chest it will be because you have not renewed your subscription for 2020.
If you wish to remain a member of the N25GA then please pay as soon as
Also, it is becoming difficult for the treasurer to
pay cheques into the bank due to the present circumstances. If possible,
make all payments online, either by PayPal or Bank Transfer.
It is unlikely now that any rallies will take place
for several months, if not longer. Please keep an eye on the 'Events Page'
for further details.
Following concern about the availability of plans, castings
and tracks on which locomotives could be run, Paul Wiese arranged for
a meeting in May 1975 to which all interested parties were invited. The
result was the founding of the Association, the stated aims of which were
to promote interest in the gauge.
- Drawings and construction details of most of the published
designs are held in our library and can be viewed on request. Some of
these can be supplied in either printed or 'soft' form.
- Hundreds of different castings (including a very large
range of wheels) are now available, enabling almost all of the existing
loco designs to be constructed.
- Drawings for a number of new locomotives have been
designed, including an easy to build beginner's type (called Toby).
- Locomotive rallies and meetings are held regularly
in various regions of the UK.
- Members now receive a journal (Steam Chest) printed
in colour throughout 4 times a year.
The Association now looks forward to the future knowing
that the interests in this historic scale are safe.
About 2½" gauge
Sometime around 1900 a set of track gauge standards was
formulated. Thus tracks with a dimension of 2.500 inches between the inner
rail edges were designated "GAUGE 3". At that time, this gauge
was fairly popular for garden or scenic model railways, with the engines
using clockwork or meths powered. Certainly none of them were capable
of hauling the driver, let alone a driver and passengers ! Such capabilities
arose from the work of (arguably) one man, Lilian (Curly) Lawrence, who
wrote under the pen name of LBSC. Initially, the scale used for standard
gauge locomoltives was half inch, but this was changed to 17/32-ins. (13½mm)
very early on. A typical loco and tender is 3ft long, and looks very large
when stood next to OO or O gauge models. Narrow gauge locomotives are
beginning to become popular and drawings for such designs as the Lynton
& Barnstaple Manning Wardle engines are in preparation. Electric powered
locomotives are becoming popular and these too have been or are being
developed. The Association has promoted two coal-fired locomotive designs
suitable for beginners.
Steve Eaton driving Ayesha at Rugby in
You can contact the Association by sending an e-mail to
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This page was last updated on 16/09/2020