|
|
| Re: Speeding up timers (1496204) | |||
 |
|||
| Home > SubChat | |||
|
[ Read Responses | Post a New Response | Return to the Index ] |
|
||
|
Re: Speeding up timers |
|
|
Posted by Stephen Bauman on Mon Dec 17 08:14:11 2018, in response to Re: Speeding up timers, posted by BusRider on Sun Dec 16 23:37:55 2018. How long were the merges?Long as in distance, time to clear? It takes about 1 minute for a 600' train to clear a 350 foot long interlocking at 10 mph. That's (350 + 600)/(10 x 1.47) = 64.6 sec. A shorter 510 foot train would take 54 seconds. The merging time determines how accurately trains must be on schedule to prevent merging conflicts (assuming they are not built into the schedule). Let's say 120 second headways (30 tph) means that there's 1 minute free time between the leader clearing the interlocking and the follower's arrival. If both the leader and follower were within 30 seconds of the schedule, there would never be any merging delays. There would be 30 seconds of free time for 90 second headways (40 tph). Trains would need to be within 15 seconds of schedule to eliminate merging delays. |
|
|
|