Re: geometry puzzle: frogs in a dualgauge turnouts

Christian,

While I am no genius when it comes to switches, nor the Rio Grande, I feel confident enough to say this.

There are several different answers to your questions, and It would depend mostly on the situation that the switches were laid.

If both switches were laid at once, you could have one scenario. Or if the ng, or sg, existed prior, and a third rail was added, the new addition could be modified to fit. switches can be stretched out too, Ive seen evidence of this in both models and prototypes.

Also, drawing on cad can prove to be a pain in the @$$ when trying to compare to standards of a railroad built over 100 years ago. There were standards, and practices, but when it came to actually building something, it depended more on what was available (generally). So to speak, if it fits, use it, if not, make it fit.

*Opinion*
If you are trying to build a model railroad, unless you are trying to get an award for accurate detail for one specific switch or yard, there is probably no point in trying to sum up the entire dual gauge rr with one switch. Make something that will look good, but most importantly, work, and use it. "Most" people aren't going to know the difference anyway.

Casey