I haven’t confused anything, you stated "and the three way that started this topic the LMS PWay standards described as a 'Three-Throw". It is not described by the LMS as a Three-throw. What is shown on page 9a is a three-throw with the switch blades having staggered ends. What is shown "at the start" of this topic is a Tandem.
Building track the traditional way, P4 3 way pus a bit of 00 gauge
- Thread starter Hayfield1
- Start date
Dan Randall
Western Thunderer
And I must confess to not having a clue, what that picture was all about? It’s obvious, now that you mention it though!
Regards
Dan
76043
Western Thunderer
I got it and thought it was funny, likely more funny than these Ai images of a model railway exhibition. The demographic seems to be spot on.
Tony
James
Western Thunderer
The AI has at least modelled the pole route.
simond
Western Thunderer
James
Western Thunderer
Clearly based on Ruritania State Railways practice.
David Mylchreest
Western Thunderer
Can we get back to this, please?
Hayfield1
Western Thunderer
David
I need to get back to this, but I assembled the middle and front common crossings and was pleased with the results. BUT when I started to cut of the surplus brass 1mm supports a couple of the soldered joints gave way. No mayor issues as all the rails are intact. I just need to solder them all back again. A day or two and I will be there. Just been playing with full size narrow gauge coaches
I need to get back to this, but I assembled the middle and front common crossings and was pleased with the results. BUT when I started to cut of the surplus brass 1mm supports a couple of the soldered joints gave way. No mayor issues as all the rails are intact. I just need to solder them all back again. A day or two and I will be there. Just been playing with full size narrow gauge coaches
Hayfield1
Western Thunderer
Now all the fervor has died down
Back to the building
Before anyone askes me about the timbering or check rails, the design was made by a friend and his friend, as his first attempt did not work as well as hoped
The 2 subassemblies were made and the first common crossing was chaired and stuck in place
A closer view of the common crossing
The second sub assembly was chaired up, on the straight check rails I used standard 0.64mm (gap) check rail chairs, and fitted the rest of the whole chairs
In the main I used check rail gauges, simply I get better results than with roller gauges
The two main stock rails were chaired up, but I used the gauge widened (0.08mm) check rail chairs, Given the length of check rails I decoded to gauge widen as the turnouts (points) were A5 & A6
I needed to also make the first switch rail and chair it
Back to the building
Before anyone askes me about the timbering or check rails, the design was made by a friend and his friend, as his first attempt did not work as well as hoped
The 2 subassemblies were made and the first common crossing was chaired and stuck in place
A closer view of the common crossing
The second sub assembly was chaired up, on the straight check rails I used standard 0.64mm (gap) check rail chairs, and fitted the rest of the whole chairs
In the main I used check rail gauges, simply I get better results than with roller gauges
The two main stock rails were chaired up, but I used the gauge widened (0.08mm) check rail chairs, Given the length of check rails I decoded to gauge widen as the turnouts (points) were A5 & A6
I needed to also make the first switch rail and chair it
Captain Kernow
Western Thunderer
That seems quite tight, John. Is the tandem for a goods yard or industrial setting?
Hayfield1
Western Thunderer
I have made a start on the first switch rail chairs, using Exactoscale E4CH501A switch rail chair pack, doing this first job allows me to fit the last switch rail
Not one of mine but something Terry at Kosmik (models) is doing. Narrow gauge 0-16.5 plug track with spiked track fittings (chairs) Terry tells me it can also be done in code 100 fb (it mat be on show at Guildex in September
John
Hayfield1
Western Thunderer
The final switch rail has been fitted and more additional switch chairs have also been fitted.
I have tested all 3 routes using my P4 High Level 57xx chassis and all 3 routes work OK.
I now need to finish off the toe end, you will notice the first 2 slide chairs have not been fitted, and wont be until after I have fitted the tiebars (the heat of soldering may damage the plastic slide chairs.
Still I am happy with the build to date.
To do are the electrical bonding wires and tie bars plus the few remaining slide chairs
John
Hayfield1
Western Thunderer
The tandem turnout is nearly finished, as the first chair became damaged and has been replaced
A cruel oversized shot showing the special switch chairs, these were the easy ones as were fitted as designed
There are no special chairs for 3 way turnouts, its a case of just making do with what is available and adapt where necessary
The brass bonding wires (which stick out like a sore thumb in the above photo) once painted will more or less disappear, but a quick wipe with a marker pen dulls the appearance a bit
In my tiebar box I found some old P4 tiebars (ex Martin Wynn )
A closer view. Turned metal (NS?) pegs in a predrilled tiebar
martin_wynne
Western Thunderer
Yes, turned nickel-silver pins, inserted from below, with a groove which engages the rail foot.
It is 40 years since I last made any of those.
Martin.
