explain xkcd - Recent changes [en]

← Older revision Revision as of 16:23, 12 September 2026 (One intermediate revision by the same user not shown)Line 17: Line 17:

I measure the two story house as 18 pixels.  I measure the rail as 113 pixels.  If we assume the house is 8 feet per story, this places the rail as about 100 feet tall. This would in turn make...

measurements of the scale

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'O' scale, in the UK is to 1/43.5, which you will note is twice H0. Europe often uses 1/45, just to be more metric. [[Special:Contributions/2A00:23C8:2547:A201:5D14:2732:36E7:BC19|2A00:23C8:2547:A201:5D14:2732:36E7:BC19]]'...

Explanation: rail height

← Older revision Revision as of 14:59, 12 September 2026 Line 21: Line 21: |-|- | Wheel diameter || 1.016 m (40 in) || 11.7 mm (0.46 in)|| 88 m (290 feet)| Wheel diameter || 1.016 m (40 in) || 11.7 mm (0.46 in)|| 88 m (290 feet) |- | Rail height (132 pound main line rail) (from [https://www.trains.com/mrr/how...

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Added paragraph on „Big O Notation“.

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Model rail and its size constraints have been covered previously in [[878: Model Rail]].Model rail and its size constraints have been covered previously in [[878: Model Rail]]. Furthermore „OH Scale“ is a word ...