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Old 06-01-2015, 08:10 PM   #1
BerkshireBugsy
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Default Impact on layouts of temperature changes

I know some contributors have their layouts in lofts, garages and sheds so I was wondering if the range of temperatures we have in the UK can cause issues with travk expanding/contracting or the effects of humidity changes on baseboards made out of 2x1 with 9mm ply.

I know the risk can be reduced by use of insulation but are their still issues ?

Thanks
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Old 06-01-2015, 08:21 PM   #2
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My layout used to be in the loft, insulated plus a window that could be opened in hot weather.


As long as you have expansion gaps all should be well. I did have a section of flexi about 2ft long, between two sets of points without sufficient gaps. The amount it distorted was amazing.

Nothing else on the layout was affected by heat or cold, buildings locos and rolling stock were fine.
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Old 06-01-2015, 08:23 PM   #3
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Quote:
Originally Posted by Walkingthedog View Post
My layout used to be in the loft, insulated plus a window that could be opened in hot weather.


As long as you have expansion gaps all should be well. I did have a section of flexi about 2ft long, between two sets of points without sufficient gaps. The amount it distorted was amazing.
Thanks WTD. I did wonder about expansion joints but thought the benefit of these would be reduced if the track was nailed to the baseboard
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Old 06-01-2015, 08:29 PM   #4
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Flexi track moves and then goes back, set track is held very tightly by the chairs and if it can't expand lengthways it will pop out of the chairs and be useless.
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Old 06-01-2015, 08:33 PM   #5
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Flexi track moves and then goes back, set track is held very tightly by the chairs and if it can't expand lengthways it will pop out of the chairs and be useless.
that makes perfect sense WTD thanks
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Old 06-01-2015, 08:37 PM   #6
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I speak from experience.
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Old 06-01-2015, 08:39 PM   #7
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I assembled a loft layout using only sectional track on a day when it was very hot. When it was cold the trains went round with a diddly dar. This seems to be the method...
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Old 06-01-2015, 08:44 PM   #8
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I assembled a loft layout using only sectional track on a day when it was very hot. When it was cold the trains went round with a diddly dar. This seems to be the method...

I love the logic..so all I need to do is wait for summer
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Old 06-01-2015, 08:54 PM   #9
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Just leave a mm gap and lay it any time.

Did you know that real track is pre-stretched so it won't expand when it gets hot.
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Old 06-01-2015, 10:05 PM   #10
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Quote:
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When it was cold the trains went round with a diddly dar.
Diddly dar - I like that. R-
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