You may also want to do the same thing on the main between the turnouts so that can be a separate block.
Ho trains passing siding.
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Item 7 kato ho scale model train passing siding track set with 6 manu kato 3 112 hv2 7 kato ho scale model train passing siding track set with 6 manu kato 3 112 hv2.
Kato ho unitrack 3 112 hv2 passing siding track set with no.
Refer to page 10 figure 7 for an example of a passing siding.
Make sure the distance between the sensor track and the first turnout the train will cross after crossing the sensor track is greater than the length of the train such that no part of the train is over the sensor track when it crosses the turnout.
Imagine a train on track a moving clockwise and approaching the exit switch.
Assuming this is dc and it is probably the same for dcc i would put insulated rail joiners between the the two sets of turnouts that control the access to the passing siding.
Isolate passing sidings and places where you are likely to store trains like stations staging yards and engine facilities.
This siding has a lead to a large ethanol plant and they build unit ethanol trains on this siding.
Make an oval loop with a passing siding somewhat as shown above.
If the switch is in the straight through position the train would derail as it went through the switch.
I suppose safety of trainman walking the unit train and lacing up the air hoses is better with this wide track spacing.
Generally mainline blocks should be as long as the longest trains you run or a little longer.
The wiring shown is an example of interwiring switches but it is not what you want to do.
The dm e has a new siding at janesville mn it is what looks like 25 30 track centers as well.