What is Scalefour

"Scalefour is a concept of high standard railway modelling to 4mm scale"

These pages provide resources (hints and tips, data etc.) contributed by members of the Scalefour Society. 

More information and membership forms can be found in the Society's main pages.

Index

The Protofour Standards
This 'Digest Sheet', in .pdf form. sets out and explains the Protofour (P4) track and wheel standards.
If you prefer a webpage version you can find one on the CLAG website via our links page.

Indices to Scalefour News, Precision, Prototype, Model Railway Journal, Morill and rail Model Digest.
Most of these are Excel spreadsheets that can be downloaded and searched off line, Scalefour News and MRJ are also available direct on line.

Books for the modeller.     Not exactly reviews but meant to give you some idea of the contents. Contributions welcome.

Kit Instructions
A starter for now but this may build up into a collection of instruction leaflets if contributions are sent in.

Operation of Semaphore Signals by Memory Wire. June 2008
Details from the talk given by Dave Carter at Scalefour North 2008, about the signals used on Adavoyle. .

Working Brake Pipes
Jim Smith Wright reveals  all in this article from Update, the DEMU magazine, reproduced here with permission. Further information on DEMU can be found on their website at  http://www.demu.co.uk/

Where to get--2004
Information on unusual modelling aids collected for display at Scaleforum 2004

Where to get --2005
Another batch of useful items as displayed at Scaleforum 2005

Where to get -- 2006
For the third year running, let us know if you find it useful.

Wheel Specifications etc.
Additions to published data.

AJ (Alex Jackson) Couplings
The definitive gen from the MMRS

An Article Index.
Mick Nicholson compiled this index for his own use and has made it available for anyone wanting to find that obscure article.
See it on webpages or download a Microsoft Works Database file.

Hints for 'W' irons
Trouble springing W irons apart to fit the wheelsets? Here's help.

What's inside a smokebox door?
Here's the picture to show you.

Turnout Data from the Permanent Way Institution.
Provided by Brian Oldford.

GWR/WR Permanent Way Notes, provided by Alan Monk
The actual notes are photocopies of photocopies, so I'm afraid the quality is the best that can be managed.

Diode Matrix Interlocking by Colin Glenister,  February 2000
Suggestions on a simple technique for building an interlocking system.

BR Standard Brakevans by Keith Norgrove  Updated February 2000
Some notes on brakes and roofs for builders of the Pocket Money Kit.

Equalisers for Steam Locos, by Jerry Howell., Sept 1972

A detailed article on scratch building an equalised chassis, American style. Our thanks to Model Railroader for allowing us to post this article, since the agreement was time limited it has now been removed. Hope you enjoyed it while it was available.Anybody missed it and would like a copy contact the webmaster.

Spring units from Gordon Ashton, December 2000
Gordon is offering sprung hornblock units, primarily for locomotives.

Simple crank pins from Dave Booth, January 2007
How to make reliable crank pins.

Sketch for a six axle diesel drive by Dr. K J Walker, June 1999
This concept uses a Dynadrive style clutch and flywheel whilst giving full 6 axle drive.

Assembly of Exactoscale gearboxes by Ted Scannell, June 1999.
Detailed instructions in Ted's inimitable style.

Use of gauges for setting point blades - extract from P4 manual
This is the original MRSG/Studiolith technique but universally applicable.

Point Blade Terminology - from Keith Norgrove, Dec.2001
Cross section diagrams of point blades with the name of each style.

Bending the tumblehome in etched brass coach sides by Philip Griffiths, March 2001.
This links to Phil's site for an illustration of his recommended technique.

Track Details
It is hoped this page will gradually expand to include a wider range of track detail photos. Contributions will be welcome.

High Level Gearbox Data, November 1999.
This data is now available from Chris Gibbon's website, find it on our links page.

Mashima Motors Data, February 2000.
This link takes you to the Mashima site for details of their motors.

North West Shortline Gearbox Data, June 1999.
Look at this page for some data on NorthWest Shortline gearboxes, made available by NWSL courtesy of Roger Miener.

Grandt Line Gearbox Data, October 1999.
Unusual Bevel and Skew bevel gearboxes from Grandt Line and available from Walthers.

London Road Models Gearbox Data, Updated Nov. 2006
Another selection of gearbox/motor mounts drawn to scale. Available as a .pdf file. Its easier to get an accurate size print from the .pdf, make sure you do not use 'fit to page'.

Society Links page,
The links page provides access to many more useful sources of information.

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Contact Information

If you want to follow up any item on this page please contact
Keith Norgrove who looks after these pages.

Copyright to all information on these pages is held by the Authors identified.