Peco 3-way Point

Any questions about designing a model railway layout or problems with track work.
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paddynski
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Peco 3-way Point

Postby paddynski » Fri Dec 07, 2018 3:18 pm

Hello

Not been here for a while so here I am with a new issue.

Part of my layout requires 3 parallel tracks after a 3-way point (Peco SL-E99). I need to use standard straight track for the middle track. My problem is that I am not sure what small curves to use for the left and right tracks so I can make all three parallel. Any ideas?

All the best

Patrick

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End2end
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Re: Peco 3-way Point

Postby End2end » Fri Dec 07, 2018 3:33 pm

For something this simple try SCARM to design it. It's free upto a certain amount of tracks.
https://www.scarm.info/index.php
To overcome the track pieces limitation in the software for my layout, I replaced all the straights with flexitrack pieces.
So say, 3 straight pieces replaced by ONE flexitrack peice in the software reduces the number of track peices to 1 from 3 thus giving you more to work with.
Hope it helps
Thanks
End2end
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stuartp
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Re: Peco 3-way Point

Postby stuartp » Fri Dec 07, 2018 5:47 pm

If that's Streamline rather than Setrack it won't fit the standard Setrack curves. Use flexi instead, you can get a gauge to keep the spacing correct and a straightedge helps you lay it straight.
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Flashbang
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Re: Peco 3-way Point

Postby Flashbang » Fri Dec 07, 2018 6:52 pm

Don't forget that the Peco SL-E99 Electrofrog 3 way point has to have some form of frog polarity switching fitted to both its frogs.
The Insulated frog version SL-99 doesn't need this.
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Mike Parkes
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Re: Peco 3-way Point

Postby Mike Parkes » Fri Dec 07, 2018 6:55 pm

The 3 way point is 610mm radius and a 12 degree angle so you need a curve of those dimensions to straighten out - as above flexible track is the simplest solution - if you really need to use setrack I would suggest a 4th radius curve cut to the degree angle and a short straight (Hornby R610 or Peco ST203).
Last edited by Mike Parkes on Sat Dec 08, 2018 9:30 pm, edited 1 time in total.

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NedFlanders
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Re: Peco 3-way Point

Postby NedFlanders » Sat Dec 08, 2018 5:43 am

Hi there,

I used a streamline medium (I think) point attached to either diverging route to give me the template for the curve back to parallel running . I marked the route on to the baseboard and then laid it with flexitrack.

This post has a photo of the unballasted result https://www.newrailwaymodellers.co.uk/Forums/viewtopic.php?f=22&t=52479&start=30#p658971

It has worked away fine for me. I will be doing it again shortly and can do a mockup for you to make more sense if that would be helpful?

Ned.
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