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topic: 2685O Gauge track using copperclad sleepers with spacers?
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posted: 9 May 2015 22:41

from:

Templotter
 
Peterborough - United Kingdom

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Looking for a skills upgrade path from EM copperclad to O gauge (probably 31.5mm gauge) but would like to match the sleeper/rail heights of flexible track without the cost/complication of chairs.

Wondering if metal spacers could be soldered to rail and sleeper to produce a sturdy enough turnout to use outdoors for instance.

Debs - are you the person to ask about gauges?

posted: 10 May 2015 07:48

from:

Hayfield
 
United Kingdom

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If its to match C&L the spacers should be 1 mm thick in 7 mm scale,you could use either metal strip or copperclad strip, both cut into small spacers

In 4 mm scale Peco flexi track is not much dearer per meter than 2 lengths of rail. Given Peco track in 7 mm is better than H0/00 track is it worth the effort. With rail at 2.70 per meter £2.20 when bought at 100 lengths at a time) and a yard at £6 is it cost effective in £'s let alone when you add in your own time ?

I have used copperclad/metal spacers to lift rail above the sleepers when building turnouts in and around the common crossing, to simplify the common crossing building whilst still using chairs. Works very well I might add

posted: 11 May 2015 15:46

from:

Templotter
 
Peterborough - United Kingdom

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Thanks Hayfield for the reply. Very glad to hear someone has done this.
Yes I fully intend to use flexi track but would like the increased strength for pointwork quite apart from the reduced hassle threading the myriad of chairs used.
What material/thickness did you use for spacers?
Thanks again,
Don

posted: 11 May 2015 17:13

from:

Hayfield
 
United Kingdom

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Don

If you are not going to use chairs why use spacers? just use a piece of plasticard under the turnout/crossing

Anyway in 7 mm scale using C&L then its 1 mm spacers, as that is the height of a C&L chair base (0.5 mm in 4 mm scale)

I bought my 7 mm scale timbers from Wizzard models 1.6 mm thick double sided fibreglass copperclad strip in packs of 20 x 12"x 7 mm, I would use 1 mm copperclad strip from C&L for spacers, they still have stocks of 3.3 mm wide double sided copperclad (metal strip may be dearer) and can be used side on for a tiebar
Last edited on 11 May 2015 17:18 by Hayfield
posted: 11 May 2015 17:27

from:

Templotter
 
Peterborough - United Kingdom

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Well to be precise I may well use the standard chairs where appropriate and anyway would like to try and maintain the under rail gap and match flexi rail a bit.

Guess this is all supposition. Better people than I have admitted to needing to start before being sure which way they end up going!

I know that Japanese Genichi Taguchi explained very elegantly how important planning was but another of his teachings was 'robust design of experiments'!
Brilliant tip about the tie bar - thanks.

Don

posted: 13 May 2015 08:30

from:

Hayfield
 
United Kingdom

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Don

There have been lots of ideas about tiebars with wire soldered to the rails dropping into metal tube attached to the tiebar being preferred by many.

The idea of using copperclad sleepers for strength is also valid, but when chairs are glued to plastic timbers these are equally very strong joints. The main benefit is to simplify the building of common crossings, and the ability to adjust the rails easily, the use of spacers maintains the visual appearance by allowing the use of chairs. Pre gap and fill the sleepers and copperclad spacers are easier to grind back to the rail sides. Use modern fibreglass copperclad sleepers

posted: 13 May 2015 15:35

from:

Templotter
 
Peterborough - United Kingdom

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Many thanks Hayfield. You can tell how long it has been, I only remember paxolin copperclad, although I think there were some quite crude tie bars with swivelling rivetted plates which may have been GRP.

Likewise double sided copperclad!

Don



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