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Diecast Forums – Forum 43 – Diecast Zone

Posted By: Chris Sweetman
Posted On: Wednesday May 15, 2019 at 4:30 PM
If one is looking at track gauges then we must go back to 1891...
as from this date Märklin at an exhibition held in Leipzig, Germany introduced the first widely adopted standards for toy trains running on track. These were categorised as 5, 4, 3, 2 and 1 and were differentiated by the distance between the centre of the outer rails. With 5 being the widest distance and progressively narrowing until arriving at the smallest width in this sequence 1. They soon became international standards so followed by other German toy train manufacturers and those from other countries. Märklin added an even smaller gauge, category 0, between 1895 or as late as 1901, accounts vary as to the exact date. During this period no manufacturer established scale to these track gauges mainly because the trains using these systems were designed as toys and sized accordingly.

Henry Greenly somehow mixed metric and Imperial measurements to arrive at a three-dimensional scale of 7mm to a foot - 1:43.5. Greenly was to later state in 1924: "I submit that the gauge is not the correct method of arriving at the scale". I am sure we can agree with this comment.


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Message thread:

O Guage to 1/43 comparisons by J.D. Simmons #25851
In the UK O Gauge is 1:43rd scale but in the USA it is 1:48th scale …. by Chris Sweetman #25851.1
This is such disturbing news. You are now saying that the Brits by Don Anderson #25851.1.1
Technically, British O scale is 1:43.5) by Robert Bolin #25851.1.2
I always thought O gauge was 1:42 - hence Spot-On Models all being this scale.... by John Roberts #25851.1.2.1
Here is a link to an interesting (or very boring) guide to model scales. by Graeme Ogg #25851.
Thanks, Graeme. Your research is always impeccable. (EOM) by John Kuvakas #25851.
Not only enjoyable reading, but it's clearly written. Thanks, Graeme! (EOM) by David Holcombe #25851.
Excellent post Graeme. Now tell me, is CPR a Scottish or Irish distillery? (EOM) by John Roberts #25851.
Caledonian Patented Rotgut (St Kilda Distillery) (EOM) by Graeme Ogg #25851.
Thank you sir...will look in Tescos tomorrow (EOM) by John Roberts #25851.
Not sure who the author/s are for this article but I would suggest ... by Chris Sweetman #25851.
John, Spot-On were expensive compared to the tiddlers produced by by Chris Sweetman #25851.
I had one house Chris but it perished with age...a Spot On not a real one! (EOM) by John Roberts #25851.
If one is looking at track gauges then we must go back to 1891... by Chris Sweetman #25851.1.2.2
Thanks to all who replied. by J.D. Simmons #25851.3
You are welcome JD and I am looking forward to seeing the results. (EOM) by Chris Sweetman #25851.3.1
PICS--1:43 cars fill the settings for my O Gauge buildings. Building makers call 1:43-1:48 "O gauge" by Frank Racibozynski #25851.4
Looks great, Frank. I really like how busy it looks, just like a crowded city street. (EOM) by John Kuvakas #25851.4.1
I like it Frank. But... by Harvey Goranson #25851.4.2
Blasphemer! Fortunately, it is safe with the rest of the family. by John Kuvakas #25851.4.2.1
It's in a far better place now. (EOM) by Frank Racibozynski #25851.
Impressive diorama Frank and it looks very similar to my route into work …. by Chris Sweetman #25851.4.3
Excellent Frank! Is that a Renault Dauphine in one shot? (EOM) by John Roberts #25851.4.4
Thank you John. Yes, it is a Dauphine. Got it for $10 at Countryside ~10 years ago. Like it a lot. (EOM) by Frank Racibozynski #25851.4.4.1
Love the diorama Frank but it needs more cars. (EOM) by Bob Jackman #25851.4.5
Agree with you Bob. I'm thinking of adding an open sided parking deck. (EOM) by Frank Racibozynski #25851.4.5.1
Excuse please--double post. by Frank Racibozynski #25851.5

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