Engineering In Miniature 2019-07.pdf

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LATHE GEAR-CUTTING – PATIENCE PAYS
DETAILING A BATTERY DIESEL
THE MAGAZINE FOR MODEL ENGINEERS
Heavyweight champion
An overhead crane in the workshop
Beginners’ guide
to effective riveting
GOLD-STANDARD MODELLING
AT THE DONCASTER NATIONAL
JULY 2019
£3.99
CONTENTS
19
JULY
9
Volume 41 Number 1
25 32
08
13
16
20
25
29
35
NATIONAL MODEL
ENGINEERING SHOW
by John Arrowsmith
EDITORIAL
OVERHEAD CRANE
FOR THE WORKSHOP
by Bob Davies
Beating the weighty
issue of big engines
A DIESEL-OUTLINE
BATTERY LOCO
by Jan-Eric Nyström
W
ENGINEERING
19
MODELANNEALING
TIPS -
by John Smith
EIM STEAM PLANT
BOILER - THE BASE
by Martin Gearing
EUREKA REVISITED –
GEAR CUTTING
by Brian Wood
AUTOMATA – A
DESIGNOGRAPH
by Dave Rowe
32
BEGINNER’S GUIDE
TO RIVETING
by Harry Billmore
SCREW-DOWN LOCO
REGULATORS
by Mike Wheelwright
elcome to
EIM
and by the time you read this we will be
heading into high summer, the clubs will be busy with
visitors and lots of action to be had each weekend. In fact
looking at the latest selection of excellent magazines and newsletters
that we receive each month from the clubs, it’s good to see some
impressive new projects coming to fruition, and we highlight a
couple – you have to be impressed by model engineers such as Worthing club chairman
Kevan Ayling, who deciding he wanted to build himself a traction engine went straight for a
4-inch scale example! Certainly makes the pile of components for a 1-inch scale ‘Minnie’ that
have occupied a corner of the editor’s workshop for several years look very – small...
Of course big engines, whether rail or road, are impressive but they come with challenges,
not least their weight, especially as we get older. So I was particularly pleased to receive the
piece from Bob Davies that we publish this month, on building an overhead crane for the
workshop. It’s a brilliantly simple idea that could help a model engineer continue building the
size of engine they are used to rather than being forced to downsize.
Such features are just the kind I like to use – while nut-and-bolt builds such as Martin
Gearing’s vertical boiler and Andrew Strongitharm’s ‘Dougal’ (taking just a one-issue break
this month) are core to the magazine, such ‘useful variety’ as the crane are just as important,
as are in-depth studies for the experienced model engineer to get their teeth into, such as
Brian Wood’s trials and tribulations with gear cutting. And subjects such as Dave Rowe’s
automata provide something very different while equally valid – what lucky grandchildren he
has, receiving such excellent pieces of home-built engineering as presents instead of some
mass-manufactured modern piece of electronics and plastic.
Of course, such variety remains difficult to achieve, as stated last month we are always
looking for good new features to interest our readers, and we pay for published articles! We’ve
had some interesting stuff in since last month’s request, but please keep them coming – your
fellow model engineers want to hear about YOUR project!
Andrew Charman – Editor
The August issue of
Engineering in Miniature
publishes on 18th July.
38
NEWS & REVIEWS
CLUB NEWS
39
LETTERS
42
DIARY OF EVENTS
42
FRONT COVER
The weight of a large locomotive could force
a model engineer to downsize ideas such as
this overhead crane could prevent this.
Photo: Bob Davies
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
FOR SUBSCRIPTION QUERIES
call 01778 392465 the editor does not handle subscriptions.
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.
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Engineering in Miniature
– ISSN
6
Incorporating:
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