Peter pc163 Show full post »
Julian
You've missed the fact that the rails have become hot enough to melt the web under them and that wil have displace then on the 'sleeper' and probably distorted the chair allowing the rail to move away from the other chair where you can see the gap

You're observation about the heat being "hot enough to melt the web underneath them" is well made.  The displacement of the sleepers as a result of the heat applied to the webs is closer to the application of the heat, than the chairs on top of those same sleepers.  The pictures don't give an all-round view making a clear view of which parts are distorted.  I suspect the jury might like a few more views to conclude where the shrinkage might have caused the distortion.  Either way, a little more evidence might make for n easier diagnosis.

J
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Peter Rust Rusty Pete

ok boxing gloves and a ring...ding ding!

Not needed

Merely 2 friends having a jesting joust at each other.

More than one way to skin a cat ðŸ˜‰
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Peter Rust Rusty Pete
Ian's post re:the heat being enough to cause the sleeper-base to displace is correct, this allowing the rails to spring out of position due to the innate bending during manufacture, wishing to ease back to being a straight rail.
In all seriousness, there is no need for heat, wooden sleepers, glue or any other fix, other than tweaking the rail back to its original position, indicated by the undamaged shoes.
My fix in this situation was to use a small pair of pliers opened fully to tease the rail-end into its correct place by using th ejaws to create fulcrum points to apply pressure over  an inch [25mm] or so, lt worked without needing to cut the base, add wood or anything else. To add a little security, l did add some cyano-acrylate, but it was belt-and-braces really, the repair showing no sign of movement over a week, or so.
If in doubt, just try tweaking an off-cut to gain experience.
More than one way to skin a cat ðŸ˜‰
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Peter pc163
Attempted a fix with a bend to both rails
POINT (1).jpg  POINT (2).jpg  POINT (3).jpg  POINT (4).jpg  POINT (5).jpg  POINT (6).jpg  POINT (7).jpg 
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Cheers,
Peter
pc163
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AHJAY
A suggestion

Next time you need to solder in that area, use a strong clamp such as vice-grips or even a strong bulldog clip to hold the rails across the gap. This will keep them from pressing on the softened plastic while it is warm... and therefore they will not move.

Ahjay
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Iain Morrison wimorrison
I would use a file or grinding disc (running slowly) to feather out the remaining bump in the lining up to prevent any running issues.
Iain Morrison
Modelling h0e using Z21 with iTrain automation and Railcom
There are also unknown unknowns – the ones we don't know we don't know
http://www.wimorrison.co.uk
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