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Author Topic: Peco ST45 insulfrog curved point  (Read 161 times)

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Offline TrevL

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Peco ST45 insulfrog curved point
« on: September 10, 2018, 04:36:24 pm »
Up to now, I've used electrofrog points on my build, but due to needing to put a point on a curve, I've had to use an ST45, as the electrofrog one was not tight enough. Following the norm of fitting insulated joiners at the "V" of my electrofrogs, do I also do that on the ST45 please?  TIA.

Edit.  It's a DCC layout.
Cheers, Trev.


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Offline ntpntpntp

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Re: Peco ST45 insulfrog curved point
« Reply #1 on: September 10, 2018, 09:34:19 pm »
Up to now, I've used electrofrog points on my build, but due to needing to put a point on a curve, I've had to use an ST45, as the electrofrog one was not tight enough. Following the norm of fitting insulated joiners at the "V" of my electrofrogs, do I also do that on the ST45 please?  TIA.

Edit.  It's a DCC layout.

No, because nothing changes polarity when you change the point. The rails at the end of the V on an insulfrog point do not connect to each other like they do on Electrofrog, they are separately linked across to the corresponding closure rail and blade. The open blade will be open circuit.

It will do no harm if you were to fit IRJs just to be consistent, it's just that it's not necessary in this case.

I've no experience of the Setrack curved points - is the plastic frog very long?  I use the Setrack standard points in my fiddleyard and they're fine except for the very shortest 4-wheel locos which I rarely run anyway.
« Last Edit: September 10, 2018, 09:44:48 pm by ntpntpntp »
Nick.   2016 celebrating the 20th anniversary of "Königshafen" exhibition layout!

Offline TrevL

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Re: Peco ST45 insulfrog curved point
« Reply #2 on: September 10, 2018, 11:08:42 pm »
Thanks Nick, very informative.
 :thankyousign:
Cheers, Trev.


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