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In Derail Valley there are two types of multiple-unit {{pll|Rail Vehicle Types|vehicles}} (MU for short). Integral multiple-units are designed to be permanently connected, such as how {{pll|Steam Overview|steam locomotives}} are paired with their {{pll|Rail Vehicle Types|tenders}}. Optional multiple-units are those {{pll|Coupling|coupled}} with either MU cables, or {{pll|Wireless MU Controller|wireless MU controllers}}. To connect optional multiple-units together, you need the {{pll|Licenses Overview|Multiple-Unit license}}. | |||
In Derail Valley there are two types of multiple-unit vehicles (MU for short). | |||
Only some motorized rail vehicles come equipped with MU cables, as indicated in the {{pll|Vehicle Catalog Overview|vehicle catalog}}. They have cables on either end, and can be connected with other vehicles that have the same cables, similar to how {{pll|Air Brake System Overview|air line hoses}} work. | |||
Such vehicles can also be equipped with {{pll|Wireless MU Controller|wireless MU controller gadgets}}, which let them sync at distance, without the use of cables. | |||
When multiple-units are connected, whether by cable or wirelessly, they operate in unison, all controlled by a single driver, as if they were a single vehicle. This feature is available on some {{pll|Powertrains Overview|electric}}, {{pll|Powertrains Overview|diesel-electric}} and {{pll|Powertrains Overview|diesel-hydraulic}} motorized vehicles. The vehicles need to have their {{pll|Internal Combustion Engine|engines}} and {{pll|Breakers|breakers}} turned on individually for the MU connection to function properly. | |||
It is allowed to have some vehicles in MU configuration oriented differently from others. In such a case their {{pll|Reverser|reverser}} automatically adapts to the desired direction of travel. {{pll|Headlights & Cab Lights|Headlights and taillights}} automatically adapt in MU configurations, too. | |||
MU connecting different kinds of vehicles together, or vehicles at vastly different locations, may result in asynchronous behavior, and lead to one unit {{pll|Powertrain Overheating|overheating}}, losing {{pll|Traction Overview|traction}}, spending more fuel, or experiencing something else entirely than another unit. To help with this, alerts from any of the affected units propagate to all MU connected instruments. | |||
{{ | Multiple-units can be operated with {{pll|Remote Controller|remote controllers}}, too. | ||
[[Category:General Information]] | |||
[[Category:General Information|4]] | |||
Latest revision as of 21:57, 17 March 2025
In Derail Valley there are two types of multiple-unit vehicles (MU for short). Integral multiple-units are designed to be permanently connected, such as how steam locomotives are paired with their tenders. Optional multiple-units are those coupled with either MU cables, or wireless MU controllers. To connect optional multiple-units together, you need the Multiple-Unit license.
Only some motorized rail vehicles come equipped with MU cables, as indicated in the vehicle catalog. They have cables on either end, and can be connected with other vehicles that have the same cables, similar to how air line hoses work.
Such vehicles can also be equipped with wireless MU controller gadgets, which let them sync at distance, without the use of cables.
When multiple-units are connected, whether by cable or wirelessly, they operate in unison, all controlled by a single driver, as if they were a single vehicle. This feature is available on some electric, diesel-electric and diesel-hydraulic motorized vehicles. The vehicles need to have their engines and breakers turned on individually for the MU connection to function properly.
It is allowed to have some vehicles in MU configuration oriented differently from others. In such a case their reverser automatically adapts to the desired direction of travel. Headlights and taillights automatically adapt in MU configurations, too.
MU connecting different kinds of vehicles together, or vehicles at vastly different locations, may result in asynchronous behavior, and lead to one unit overheating, losing traction, spending more fuel, or experiencing something else entirely than another unit. To help with this, alerts from any of the affected units propagate to all MU connected instruments.
Multiple-units can be operated with remote controllers, too.