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THE ORIGINAL MAGAZINE FOR MODEL ENGINEERS
Vol. 226 No.
4664
• 9 - 22 May 2021
Join our online community
www.model-engineer.co.uk
Britannia Safety Valves
Pannier
Tanks
Toolpost
Grinder
ENGINEERING GROUP
£4.20
Parametric CAD
638
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Vol. 226 No. 4664 7 - 20 May 2021
EDITORIAL
608 SMOKE RINGS
News, views and comment on
the world of model engineering.
629 A NEW GWR PANNIER
Doug Hewson embarks on a mission
to improve LBSC’s half century old
GWR Pannier Tank design.
PRODUCTION
609 A TOOLPOST GRINDER
Luker
explains how making reamers
for making injectors is simple, using
a toolpost grinder.
634 POSTBAG
Readers’ letters.
ADVERTISING
Advertising Sales Executive:
Angela Price
Email: angela.price@mytimemedia.com
612 AN ASTRONOMICAL
BRACKET CLOCK
Adrian Garner makes a bracket clock inspired
by Tompion and Banger’s regulator of 1708.
638 AN EXPERIMENT IN
PARAMETRIC DESIGN
Ian Martin explores the possibilities
present in current available CAD tools.
MARKETING & SUBSCRIPTIONS
Subscription Manager:
Beth Ashby
Group Advertising Manager:
Rhona Bolger
Email: rhona.bolger@mytimemedia.com
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Owen Davies
MANAGEMENT
614 ‘BRITANNIA’ CLASS 7
LOCOMOTIVE IN
5 INCH GAUGE
Norm Norton rebuilds a Modelworks
5 inch gauge ‘Britannia’ locomotive.
643 MODEL ENGINEERING SHOWS
Paul Ritchie offers a retrospective
on recent model engineering shows
and looks forward to their return.
618 THOMPSTONE ENGINE
Jason Ballamy describes a mill engine first
described by S.L. Thompstone in
Model
Engineer
120 years ago.
646 FLYING SCOTSMAN IN 5 INCH
GAUGE
Peter Seymour-Howell builds a highly detailed
Scotsman
based on Don Young’s drawings.
650 CLUB NEWS
Geoff Theasby compiles the latest from
model engineering clubs around the world.
© MyTimeMedia Ltd. 2021
All rights reserved ISSN 0026-7325
The Publisher’s written consent must be obtained before any part of this
publication may be reproduced in any form whatsoever, including photocopiers,
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responsible for errors in the contents of this magazine or for any loss however
arising from such errors, including loss resulting from negligence of our staff.
Reliance placed upon the contents of this magazine is at reader’s own risk.
Model Engineer, ISSN 0026 - 7325 (USPS 24828) is published fortnightly by
MyTime Media Ltd, Suite 25S, Eden House, Enterprise Way, Edenbridge, Kent,
TN8 6HF, UK. The US annual subscription price is 136USD. Airfreight and
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622 THE BARCLAY WELL
TANKS OF THE GREAT WAR
Terence Holland describes the 0-6-0 version
of his 5 inch gauge Barclay well tank.
625 MACHINING LOCOMOTIVE
CYLINDERS FROM
SOLID MATERIAL
David Earnshaw explains his method for
machining cylinder blocks from the solid.
❖❖
THE ORIGINAL MAGAZINE FOR MODEL ENGINEERS
Vol. 226 No.
4664
• 9 - 22 May 2021
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www.model-engineer.co.uk
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Britannia Safety Valves
Pannier
Tanks
Toolpost
Grinder
ON THE
COVER...
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Parametric CAD
601 Front Cover 4664.indd 601
23/04/2021 19:39
Jim Haslam’s compound undertype engine, based on the original
1901 Henry Greenly design, modified by H.A. Taylor in 1970.
www.model-engineer.co.uk
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