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As clear as 
You've heard the expression, "as clear as mud"! Well M-U-D stands for MODRATEC Useful Data.
Our Mud is designed to help make things clear to railway modellers.
We'd like our Mud pages to grow, so if some data is proving hard to find, or if there is something that you would like to understand better, let us know and we'll see what we can do to help.
Articles
- An example of mechanical signal interlocking shows the principle of mechanical interlocking applied to a facing junction protected by two semaphore signals.
- A North American Fixed Signal Primer is an article written and illustrated especially for the MODRATEC web site by Henry J. Statkowski, a former Signal Station operator.
- Ashworth. Graeme Lewis describes the signalling on his Ashworth 7mm scale layout. It encourages modellers to recognise the importance of signals in creating that genuine railway feel. 'Ashworth' won the MODRATEC Signalling Prize at the Brisbane Miniature Train Show in 2005 and 2006.
- Building a 60 Lever Interlocking Frame Bruce Boldner describes the building of a 60-lever MODRATEC Interlocking Lever Frame for his Bath Queen Square P4 scale layout.
- Building the MODRATEC Lever Frame. Stewart McSporran describes his experience of building a MODRATEC Lever Frame for his 'Loch Awe' model railway.
- HJLR. David Moffat describes his 32mm narrow gauge outdoor layout including his successful application of a small MODRATEC Lever Frame in this open-air setting.
- How to Make a Mechanical Interlocking (in PDF format) is an American flavoured article written and illustrated by Henry J. Statkowski, and first published here. It describes a non-computer approach to interlocking design and gives a practical illustration of how to build mechanical interlocks. (Updated 6 Jul 05)
- Interlocking the MSE Lever Frame. Phillip Taylor describes how he adapted a MODRATEC interlocking machine to link with a set of 14 MSE levers.
- Mechanical Locking and DCC. Jim Shafer describes an application of mechanical interlocking to the otherwise DCC controlled Scottsdale Model Railroad's HO layout.
- Princetown. Bob Freemantle and Mark Stapleton describe the layout which won the MODRATEC Signalling Prize at the Brisbane Model Train Show in 2010.
- Somewhere in England. An anonymous article about the application of a MODRATEC Lever Frame to the control of a large outdoor layout.
- St Alban's, Grassington & Threshfield. Kevin Knight and Greg Goodchild describe their combined N-gauge layout which won the 2007 MODRATEC Signalling Prize at the Brisbane Model Train Show.
- The Principles of Railway Signalling is part of the SigScribe4 help document and explains the basic principles of both mechanical and colour light signalling. It is based on typical British practice.
- Time and Patience. Peter Lewis and Gary Walters describe their NSW layout which won the MODRATEC Signalling Prize at the Brisbane Miniature Train Show in 2008.
- Walkenreid Station & MODRATEC Interlocking (in PDF format) is an article by Nico Schoone of Netherlands, and describes his application of MODRATEC "conditional" interlocking to emulate the German-style locking for his model of Walkenreid (Germany) station as it existed in the 1960s.
Electrical Data
- Cable Calculator indicates the resistance, voltage drop, and current carrying capacity of copper conductors for railway modelling purposes.
- Comparative Wire Sizes shows both inch and millimetre comparisons for the following gauges (gages): SWG, AWG (B&S), Metric, S&W Piano, Metric Piano.
- Operating Double-solenoid Point Motors using Standard Switches gives some circuit ideas to allow double-solenoid point motors to be operated from single-pole double-throw (SPDT) and even single-pole single-throw (SPST) switches. This is particularly handy if you want to operate points electrically from a MODRATEC Lever Frame.
Mechanical Data
- Comparative Drill Sizes shows both inch and millimetre comparisons. Included sizes are: imperial 1/64" to 1/2", number/letter drills 80# to Z#, metric drills 0.20mm to 12.70mm.
- Comparative Wire Sizes shows both inch and millimetre comparisons for the following gauges: SWG, AWG (B&S), Metric, S&W Piano, Metric Piano.
- Tapping Drill Tables give minimum and maximum sizes and cover the following thread forms: BA, BSF, BSW, Metric Coarse, Metric Fine, Model Engineer, UNC, UNF.
Railway Data
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