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Flex Turnout?

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Flex Turnout?
Posted by Anonymous on Friday, December 10, 2004 7:14 PM
Has anybody ever designed a flex track turnout? Just a thought rolling inside of my head lately.

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Posted by Anonymous on Friday, December 10, 2004 7:30 PM
Sounds like a good place for a derailment, Turnouts arent made to curve.
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Posted by cacole on Friday, December 10, 2004 7:31 PM
I've seen an advertisement for a flexible turnout kit designed to fit into areas where a normal turnout can't be used, but I don't remember the name of the company that makes it. Peco makes curved turnouts in two different sizes, and Shinohara also makes curved turnouts.
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Posted by ckape on Friday, December 10, 2004 8:44 PM
CVT makes flexible turnout kits, but they're far from trivial to install. I don't know anyone else who makes flex turnouts.
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Posted by Anonymous on Friday, December 10, 2004 10:33 PM
IIRC, the CVT turnouts are only slightly flexible. Meant to fit in places where things are just a little bit off. They don't flex in the way we understand flextrack to bend.

There are also pretty specific directions on how much they can curve, and what parts of them should NOT be curved for reliable operation.

Rob
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Posted by PennsyHoosier on Friday, December 10, 2004 10:34 PM
Stick with Peco and then flex your track. You will save yourself alot of misery.
Lawrence, The Pennsy Hoosier
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Posted by Anonymous on Friday, December 10, 2004 11:28 PM
What are the sizes for the Peco turnouts? Do they go by a radius value, and does the turn out go to the inside of the curve or do they go to the outside as well? I'm designing a yard on a curve (unfortunate but necessary) and need a few.
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Posted by cacole on Saturday, December 11, 2004 9:46 AM
Check Peco's Web site. They make curved turnouts in two different sizes. One equates to someting like 18 and 22 inch radiuses, and the other is in the neighborhood of 24 and 28 inch. Shinohara double curved turnouts are something like 18 and 22 inch radius, but are longer than the Peco's.

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Posted by tstage on Saturday, December 11, 2004 10:20 AM
Shinohara makes a variety of curved turnouts:18 & 24", 24 & 28", 28 & 32", and 32 & 36", just to name a few. (I wi***hey'd made a 22". I'd use it!)

I would have to agree somewhat with Stuckarmchairing. All turnouts - whether straight or curved - need to be rigid for a proper working of the turnout mechanics. (Hence, why the CVT turnout is only "slightly" flexible) Otherwise, you'd have a problem with the points not pressing up firmly enough to the side of the railing and causing a derailment.

Tom

https://tstage9.wixsite.com/nyc-modeling

Time...It marches on...without ever turning around to see if anyone is even keeping in step.

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Posted by cefinkjr on Saturday, December 11, 2004 3:15 PM
We've had a couple of turnouts that could be called "Flex" turnouts on a railroad I'm helping to build. They are essentially turnout kits with a flexible tie strip and can be assembled as left or right handed turnouts. They could possibly be assembled as curved turnouts (within reason) and probably wyes.

Our success with them has been less than stellar -- particularly since the instructions are in German and none of us reads German.

Chuck
Allen, TX

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Posted by wp8thsub on Sunday, December 12, 2004 12:15 AM
Shinora made (makes?) turnouts that are rigid through the frog but flexible elsewhere. Every other time I needed a curved turnout I scratchbuilt it, but got a price I couldn't pass up on one of Shinohara's and it worked great.

Rob Spangler

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Posted by pedromorgan on Sunday, December 12, 2004 4:51 AM
peco makes 4 radius's of turnout not 2 but i cant remember the radius's.

Peter
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Posted by NevinW on Sunday, December 12, 2004 6:46 AM
In the past, Shinohara made a code 100 "flex" turnout that was adjustable. I don't think they were too popular. I haven't seen one for a while. - Nevin

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