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Re: Rotary OO

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dougvv

December 26, 2016 12:49AM

Registered: 16 years ago
Posts: 4,696

Hi,

OO gauge
From Wikipedia, the free encyclopedia

Origin

Double-0 scale model railways were launched by Bing in 1921 as 'The Table Railway', running on 16.5 mm (0.65 in) track and scaled at 4 mm to the foot. In 1922, the first models of British prototypes appeared. Initially all locomotives were powered by clockwork, but the first electric power appeared in autumn 1923.
Hornby Railways Flying Scotsman locomotive on an 00 gauge layout

OO describes models with a scale of 4 mm = 1 foot (1:76) running on HO scale 1:87 (3.5 mm = 1 foot) track (16.5 mm/0.650"). This combination came about as early clockwork mechanisms and electric motors were difficult to fit within H0 scale models of British prototypes which are smaller than equivalent European and US locomotives. A quick and cheap solution was to enlarge the scale of the model to 4 mm to the foot but keep the 3.5 mm to the foot gauge track. This also allowed more space to model the external valve gear. The resulting HO track gauge of 16.5 mm represents 4 feet 1.5 inches at 4 mm to the foot scale, this is 7 inches under scale or is approximately 2.33 mm too narrow.

In 1932 the Bing company collapsed, but the Table Railway continued to be manufactured by the new Trix company. Trix decided to use the new HO standard, being approximately half of European 0 gauge (1:43 scale).

In 1938, the Meccano Company launched a new range of OO models under the trade name of Hornby Dublo; OO gauge has remained the UK's most popular scale/gauge ever since.

In the United States, Lionel Corporation introduced a range of OO models in 1938. Soon other companies followed but it did not prove popular and remained on the market only until 1942. OO gauge was quickly eclipsed by HO scale. The Lionel range of OO used 19 mm/¾" track gauge, a scale 57", a track width that was more to scale. There is a small following of American OO scale/gauge today.

How many non-railroad models are 1:76 (OO) scale?

You will not receive if you do not ask. (Ask and you shall receive)

Doug vV

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Subject	Author	Posted
Rotary OO	TonyK375	December 25, 2016 03:34PM
Re: Rotary OO	Mike Wissler	December 25, 2016 06:21PM
Re: Rotary OO	TonyK375	December 25, 2016 07:07PM
Re: Rotary OO	Johnson Barr	December 25, 2016 06:33PM
Re: Rotary OO	John West	December 25, 2016 07:38PM
Re: Rotary OO	TonyK375	December 25, 2016 09:14PM
Re: Rotary OO really	TonyK375	December 25, 2016 09:16PM
Re: Rotary OO really	Charles McMillan	December 25, 2016 09:43PM
Re: Rotary OO really	Dave_A	December 27, 2016 11:27PM
Re: Rotary OO really	TonyK375	December 27, 2016 11:31PM
Re: Rotary OO really	davegrandt	December 28, 2016 11:53AM
Re: Rotary OO really	TonyK375	December 28, 2016 08:30PM
Re: Rotary OO	Brian Norden	December 25, 2016 11:00PM
Re: Rotary OO	dougvv	December 26, 2016 12:49AM
Re: Rotary OO	hudsonut1	December 26, 2016 08:42AM
Re: Rotary OO	Johnson Barr	December 26, 2016 12:35PM
Re: Rotary OO	rdamurphy	December 26, 2016 01:59PM
Re: Rotary OO	dougvv	December 26, 2016 02:26PM
Re: Rotary OO	Charles McMillan	December 26, 2016 04:47PM
Re: Rotary OO	bcp	December 25, 2016 09:34PM
Re: Rotary OO in red	TonyK375	December 26, 2016 06:47PM
Re: Rotary OO	Earl	December 26, 2016 08:50PM
Re: Rotary OO	TonyK375	December 26, 2016 11:38PM
Re: Rotary OO	Mike Wissler	December 27, 2016 05:48PM
Re: Rotary OO	TonyK375	December 27, 2016 07:35PM

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