Aristo Wye Points

[lone ranger]

Any one had any problems with the Aristo wye point art No 30345 (brass). On my one the check rails seem very close to the running rails, metal wheels from San Val or Bachmann run through ok but any plastic wheels LGB, Bachmann, etc tend to wedge between the check rail and the frog, also the Aristo C16 driving wheels become wedged but can force their way through. Any thoughts?

 

[coyote97]

points do not just guide the wheels on the outer part of the flanges.
Especially near and over the frog the wheelsets are guided on the inner side.
So, the measurement of the distance between the inner sides of the flanges is as important as the one of the outer side of the flanges (what makes the "gauge").

Because the manufacturers use different flange thinkness on the wheelssets, therefore the points are different in the guideance-widths. So its completely "normal" that some wheelsets dont work with some points. (from different manufacurers).

LGB did the "top" some years ago with the R3 switches. Not even the own wheelsets ran securely over the frogs, because frog and guiderail didnt match properly. Many people had problems and so there was a longer additional guide-rail made of brass from "aftersales" that fixed the problem.

To solve your problem, it might be neccessary to change the wheelsets (what may be difficult with the locos)


Greetings

Frank

 

[lone ranger]

Hi Frank the interesting thing is that Aristo's own loco will not go through the point but LGB and Bachmann loco's have no problem. Rolling stock is not too much of a problem I can re-wheel with metal wheels or even adjust the back to back on the plastic wheels to allow for the tightness of the check rail, but of course should anyone bring their stock to an open day there is the risk that their stock will fall foul of this point. Now to my mind it would be better to adjust the check rails so that the majority of stock can pass through with no problem. Question is has anyone done this?

 

[lone ranger]

Re:Aristo Wye Points an update

Just an update on the wye points. I decided to move the check rails. First pic shows the screws that hold the check rails in place

Next screws removed

Third pic holes for the screws have been filed slightly oval

Forth pics shows the top check rail as adjusted and the bottom one still in its original position

last pic both check rails repositioned

Also I found that the mid part of the point blades was over gauge (47.5mm between inner face's ) so I adjusted those as well by very carefully bending them to the correct position. I have tried as many different wheels as I can find and they all now seem to run through with no problems.

 

[Rhinochugger]

Re:Aristo Wye Points an update

Seems like you've got the right result.

The technical way would have been to measure the back to back of a wheel set, and then measure the back to back of the check rail to frog.

Your -as built- shot definitely indicates a problem. Unusual for Aristo.

 

[Gizzy]

Re:Aristo Wye Points an update

Looks like a fairly simple fix Jerry.

Those check rails loooked to be far too tight against the outer running rail....

 

[coyote97]

Re:Aristo Wye Points an update

well done.

A switch has (on "real" railroads), many points to measure, and the whole thing is to get somehow in the right balance.
Modell-G-Gauge is MUCH more easy to handle comparing the prototypical RR. But the different wheelsets and some ....say....."wide" tolerances in production of the track (and switches) make it sometimes difficult.

Fine to see u fixed your problem. Good Work.


Greetings

Frank

 

[lone ranger]

Re:Aristo Wye Points an update

Seems like you've got the right result.

The technical way would have been to measure the back to back of a wheel set, and then measure the back to back of the check rail to frog.

Your -as built- shot definitely indicates a problem. Unusual for Aristo.

Hi Ian I used several sets of different wheels from different makers as back to back gauges, and then made sure that the narrowest and widest could all go through with 0.5 mm clearance either way. Believe it or not the worst set of wheels was on the loco I got from you and that has an Aristo C16 chassis in it, and it goes fine through LGB R5s and R3s with no problem. Go figure

You'd have thought an Aristo chassis would have gone through one of their points.