Points failure on crossovers outside station.

2595 Views 16 Replies 7 Participants Last post by LondonSouthEastern, Jan 11, 2022

LondonSouthEastern

Discussion Starter · Dec 30, 2021

Hello all,
I have been working on my 00 gauge (4mm) end to end layout with a Penzance station style terminus but with a twist.

However, I have been testing out all of my trains over the crossovers as seen in the image below to ensure it works. There is no fault with Hornby R8072 on the crossovers but for unknown reasons (and the reason why I thought I'd ask for advice on how to solve the problem), the Hornby R8073 right hand points on the crossovers (as noted by Faults) seem to fail each time you drive a train from one side of the track to the other.
I am able to work the left hand R8072 points on the crossovers itself but the R8073 ones seem to fail, especially as the layout is worked left hand running which means no train can access the southern platforms at all without pushing the loco across the points or turning the other controller on without causing an overload safety cutout.

Is there any solutions to this problem? I would like to get the crossovers in shape, albeit either by a scissors crossover (involving the same points but with curves and a right hand Hornby R615 diamond crossover) or another solution if possible.

I also bought some new sets of Hornby points to rectify the points failure but these have not worked either so am considering whether power supply is the main issue.

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kristopher1805

· #7 · Dec 30, 2021

OK Hornby points are all insul frog, so unlike electro frog there is not a switch in polarity, as such the power follows the way the points are switched, this is a problem for electros but you should not have these issues. The second version is more trouble so back to the first effort. Which way round you wire them does not make a difference until the power meets at the right 8073. I assume you have the feed say red on the upper rails and the black on the other one, and that these are not reversed between the two sides, I use coloured format here, I also put the power to the rails using Peco fishplates with wires attached, I just have this feeling that you have mixed them up somehow? so when you put the power from one to the other you get a short, in the olden days the circuit breaker would pop these days it simply stops working. The Peco rails are the same profile as the Hornby (Peco code 100) so are interchangeable.

So for the throat Red. you may have. Red
Black Black
Red Black
Black Red

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kristopher1805

· #8 · Dec 30, 2021

sorry the format on the colours was mixed up by the website made it garbage,

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