Engineering In Miniature 2018-11.pdf

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USING A ROTARY TABLE ON THE MILL
BUILDING BENDING ROLLS
THE MAGAZINE FOR MODEL ENGINEERS
Just two castings
Magnificent 6-inch Marshall
Flaring tubes for
the Steam Plant boiler
MEGA ENGINEERING THAT
POWERED TOWER BRIDGE
NOVEMBER 2018
❙
£3.99
Come and see us at the MIDLANDS
MODEL ENGINEERING EXHIBITION,
THURS 18TH - SUN 21ST
OCTOBER, STAND
44/45.
CONTENTS
12
NOVEMBER
8
Volume 40 Number 05
19
34
08
TIPS FOR MODEL
12
ENGINEERS
A BOILER FOR THE
14
EIM STEAM PLANT
MAKING MINIATURE
19
FORMING ROLLS
AUTOMATA – FUN AT
23
MARLBOROUGH
A 6-INCH MARSHALL
TRACTION ENGINE
by Alan Barnes
by John Smith
by Martin Gearing
by Dave Rowe
EDITORIAL
H
From tips to Towers
and lots inbetween...
by Roger Brown and Bill Wilkinson
25
ORIGINAL OPERATING
26
TOWER BRIDGE
TECHNOLOGY OF
START HERE
Understanding lap and lead
by John Smith
30
YOUNG ENGINEERS AT
34
WORK AND PLAY
5-INCH DOUGAL –
ECCENTRIC STRAPS
by Andrew Strongitharm
by John Arrowsmith
37
LETTERS TO THE NEWS
EDITOR/GENERAL
CLUB NEWS
38
THE GORDON SMITH
37
MEMORIAL STEAM-UP
DIARY OF EVENTS
43
by Terry Dell
This 6 inch Marshall tractor was conceived as
a father and son project, to rekindle the fun of
rallying a full size Marshall for many years. Alan
Barnes tells the story starting on page 8, while
a fascinating insight into the engineering of
Tower Bridge starts on page 26.
ere we are with another issue of
EIM,
containing hopefully
something to interest a wide range of the many different
varieties of model engineer out there.
I must immediately apologise to those working in the smaller
scales as for a second month you won’t find the feature on simple
loco building in these pages – there were some technical issues with
the piece and we won’t publish it until we are happy with it, so it’s being held over for now.
New entrants to the hobby, of which I know there are more than some outside observers
may think, will be pleased to hear that from the next issue we will be starting a new series
aimed at novices, alongside the already highly popular ‘Tips for Model Engineers’ that John
Smith produces each month. We’ll be offering more general advice on the setting up of a
workshop, starting with choosing your first lathe.
It’s not all about beginners though, far from it! One feature I’m particularly pleased to
include this month also comes from the pen of Mr Smith, and provides an insight into the
steam-powered hydraulic machinery that orginally served Tower Bridge. Yes this is about as
far from engineering in miniature as one could get, but we are sure many readers will find
the two-part feature fascinating, delving not only into the machinery but the calculations
made to ensure there was enough grunt to routinely lift two bascules each weighing well over
1000 tonnes... John is writing a book about the bridge, to be published next year by Haynes.
Hopefully you will agree that there is plenty of variety in this issue, from Martin Gearing
getting into the build of the
EIM
steam plant boiler, through the building of clever forming
rolls to create miniature representations of corrugated iron, to even more clever automata, to
an impressive 6-inch traction engine almost entirely fabricated, and a welcome return of the
young engineers pages, John Arrowsmith demonstrating just how widespread the younger
branch of the hobby is.
This variety is made possible by the many writers who send in articles for publication, for
which many thanks. But if we are to maintain that variety we need more! So please, keep
them coming – not only will you get a fee for your efforts, but you will also be providing
interest for your fellow model engineers, which is always well worthwhile!
Andrew Charman – Editor
The December issue of
Engineering in Miniature
publishes on 15th November.
Editor:
Andrew Charman
Technical Editor:
Harry Billmore
Email:
andrew.charman@warnersgroup.co.uk Tel: 01938 810592.
Editorial address:
12 Maes Gwyn, Llanfair Caereinion, Powys, SY21 0BD
Web: www.engineeringinminiature.co.uk
Facebook: www.facebook.com/engineeringinminiature
Publisher:
Steve Cole
Email:
stevec@warnersgroup.co.uk
Design & Production:
Andrew Charman
Advertising manager:
Bev Machin
Tel:
8
Email:
bevm@warnersgroup.co.uk
Sales executive:
Allison Mould
Tel:
8
Email:
allison.mould@warnersgroup.co.uk
Advertising design:
Amie Carter
Email:
amiec@warnersgroup.co.uk
Ad production:
Pat Price
8
Tel:
Email:
patp@warnersgroup.co.uk
Marketing manager:
Carly Dadge
Tel:
8
Email:
carlyd@warnersgroup.co.uk
Published monthly by
Warners Group
Publications Plc,
The Maltings, West Street, Bourne,
Lincolnshire PE
PH. .
Articles:
The Editor is pleased to consider
contributions for publication in Engineering
in Miniature. Please contact us to discuss
your work.
© Publishers & Contributors
All rights reserved. No part of this publication
may be reproduced, stored in a retrieval
system, or transmitted in any form or by any
means electronic, mechanical, photocopying,
recording or otherwise, without the prior
permission of the Publishers. This periodical
is sold subject to the following conditions;
that it shall not without the written consent
of the publishers be lent, resold, hired out, or
otherwise disposed of by way of trade at a
price in excess of the special recommended
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of any publication or advertising, literary or
pictorial whatsoever.
Whilst every care is taken to avoid mistakes
in the content of this magazine the publishers
cannot be held liable for any errors however
arising. The reader, in pursuing construction
and operation of any product, should exercise
great care at all times and must accept that
safety is their responsibility.
Engineering in Miniature
– ISSN
6
FRONT COVER
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Email: sales@blackgates.co.uk Website: www.blackgates.co.uk
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