Reply to "Thoughts on an O Scale Switching Layout"

SundayShunterOGR Forum Member

@Stoneboro Branch posted:
Yes; in two rail O scale a tight radius is considered to be about 40”. That translates to an 80” diameter circle; just a tad under 7 feet. Atlas O Scale SW’s can negotiate maybe a 36” radius if the track’s real nice and you lay in a transition curve. Forget about road power at that radius. Turnbacks are space eaters in two rail!!

Ahem *polite cough*

Here's my Atlas SD40 on 36" radius curves, with an MTH Centerbeam as first freight car. Most Atlas 2-rail stuff I've seen will take 36" curves - in terms of diesels & freight cars, anyway. Steam locos will be another matter.

https://youtu.be/YdhXghlga04

My layout is 17ft x 8ft - small space on your side of The Pond but quite generous here in the UK.!!

Here's one of the spurs along the one 17ft side, under construction....

You can still see (for now) the mortal remains of an HO layout that used to be on this benchwork!!!

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