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page trail:  Templot Club > Forums > Trackbuilding topics > Pre-bending flat bottom rails
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                 Pre-bending flat bottom rails
     
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1st message | this message only posted: 14 Dec 2019 18:23
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from:
Rob Manchester
Manchester



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Does anybody have any ideas regarding bending flat bottom rail ?I have been trying to bend rail ( codes from 82 to 143 ) before spiking to timbers. It seems to me quite difficult to get a constant radius and also not twist the rail when bending to tighter radii. This is for narrow gauge layouts in G scale, 1:32 and 1:43 scales. I use rails with a 'proper' profile rather than just one of the correct height so the rail head and foot are quite wide.

Thanks
Rob


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2nd message | this message only posted: 15 Dec 2019 03:39
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from:
Martin Wynne
West Of The Severn, United Kingdom



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Hi Rob,

You could try making something like this. Some sort of guide to keep the rail flat on the base would be a help to prevent FB rail twisting.



https://www.handlaidtrack.com/tl-0004

cheers,

Martin.

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3rd message | this message only posted: 15 Dec 2019 08:18
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from:
Hayfield
United Kingdom

 

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One of the G W Models rolling bars "6" Mini Roller and rail bender" has a grove in each roller
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4th message | this message only posted: 15 Dec 2019 20:27
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from:
Rob Manchester
Manchester



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Thanks Martin/John,

The US model is rather expensive ( around £130 inc shipping and Taxes ) but would probably be great.

I have posted on RMweb here to see what the GW one is like.

Thanks
Rob


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5th message | this message only posted: 15 Dec 2019 22:05
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from:
Bruce A Wilson
Barrie, Ontario Canada

 

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Fast Tracks is a Canadian company. They always have great service
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6th message | this message only posted: 15 Dec 2019 23:27
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from:
Rob Manchester
Manchester



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Bruce A Wilson wrote: Fast Tracks is a Canadian company. They always have great serviceHi Bruce,

Sorry, slip of the tongue, I do know there is another country or two on your side of the water :)

I liked Vancouver especially Grouse Mountain nearby. My mum's sister went to live in Vancouver. Never been back to your country since, shame.

Rob


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7th message | this message only posted: 16 Dec 2019 10:46
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from:
a_nummelin
 

 

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Rob Manchester wrote: Thanks Martin/John,

The US model is rather expensive ( around £130 inc shipping and Taxes ) but would probably be great.

I have posted on RMweb here to see what the GW one is like.

Thanks
Rob
Photo is just to show the GW device, in use it should be in a more substantial vice.
I've measured the grooves at 1.6mm wide by 2mm deep and 1.3mm wide by 1mm deep.



I've never used it for rail but bullhead looks easy: could flat bottom be done by just having the rail foot in a groove? Ideally one would turn a groove to suit the rail profile, but if one can do that it would be better to build a unit from scratch completely.



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8th message | this message only posted: 16 Dec 2019 22:41
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from:
Andrew Barrowman
USA

 

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a_nummelin wrote:
I've never used it for rail but bullhead looks easy: could flat bottom be done by just having the rail foot in a groove? Ideally one would turn a groove to suit the rail profile, but if one can do that it would be better to build a unit from scratch completely.
I read somewhere recently that the rolls should impinge on the rail's web.

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