Portal derail problems.

[Robert2d6]

Yesterday I decided to put some AI on the WM B&O Mega Route Native Mode. I set up Portal control as always, set up a couple of portals that were already on the route to generate consists, and started up the session. On one of the portals, which are the type that have only the plain track rather than the tunnel, everytime it would generate a train, as the train was exiting the portal, it would derail. I tried everything, changing the length of the train, type of rolling stock, etc, nothing worked. I finally decided to change the entire portal, deleted the route portal and replaced it with a tunnel type portal . Problem solved. I think the original portal was set to close to the end of the route tile, and that is why it was derailing.

 

[shaneturner12]

The usual reasons for that issue are that there is not enough room between the portal and the next junction, or in some cases if the portal is hanging over the edge of a route tile things can also go awry.

Shane

 

[Robert2d6]

The usual reasons for that issue are that there is not enough room between the portal and the next junction, or in some cases if the portal is hanging over the edge of a route tile things can also go awry.

Shane

It was just over the edge, Portal # 8 on that route. The tunnel was a bit shorter and didn't reach the edge.

 

[shaneturner12]

Ah - the 'hanging portal' problem. I've had trains roll back into the portal in situations like that as well.

Shane

 

[fran1]

It was just over the edge, Portal # 8 on that route. The tunnel was a bit shorter and didn't reach the edge.

Run from portal 2 westbound to portal clarksburg west, from portal clarksburg east to portal 3 eastbound. About 103 miles.
Have helpers ready at Keyser yard and Graf yard, run with about 7,000-10,000 ton consists, 2 or 3 locos at the head. I use between 1 and 5 helpers depending what pops out of the portals, and they only just get up the banks.