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Author Topic: Curve radius  (Read 117 times)

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Offline sid316

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Curve radius
« on: August 01, 2020, 04:43:36 PM »
  I am new to Kato Unitrack and am having a small problem determining the turn radius of Unitrack, especially the double track curve.
  I have the track list as well as the "accessories" list where the double track sections are listed, but I don't understand the radius. For instance, part 20-186 shows a radius of 22.5 degrees but to me that is the faction of a circle that each piece covers. I want to find out how many inches a 180 degree arc will take in order to plan my layout.

Offline tutenkhamunsleeping

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Re: Curve radius
« Reply #1 on: August 01, 2020, 04:54:19 PM »
See https://www.traintrax.co.uk/20186-double-track-approach-r480447-p-664.html

R480/447 means the outer track radius is 480mm and the inner 447mm.

Offline sid316

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Re: Curve radius
« Reply #2 on: August 01, 2020, 05:22:38 PM »
Ah, the dreaded metric system. As a typical American I know so little about it. But I will try to learn. Thanks.

Online Ali Smith

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Re: Curve radius
« Reply #3 on: August 01, 2020, 05:30:44 PM »
25.4mm = 1inch is all you need to know.

 

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