What’s the method that IR uses to couple together multiple locos? or, What’s ‘Locotrol’?

20-06-2019

Two to four or so locos can usually be coupled together to operate automatically, without any special provisions, with the crew manning only one of them. (This mode of operation is known as ‘Multiple Unit’ operation, or ‘MU’.) Using more than about 4 or 5 locos together without some form of automatic control for them is problematic because couplings come under excessive strain and break. A system known as ‘Locotrol’ is used on IR, which couples 3 to 5 locos at the head of a train, and one or two somewhere in the middle of the train, and possibly another two or three at the rear. The locos at the middle and rear of the train are radio-controlled by the crew at the head of the

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What are ‘auto-emergency’ brakes?
July 16, 2019

Many locos used in steep ghat sections also have an 'auto-emergency' ('AE' or 'AEB') brake system, which consists of an additional safety circuit which monitors the speed and applies the brakes to slow down or halt the locomotive if the speed rises above a certain threshold (sometimes 25km/h or so, but this varies with the route and the working

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What kinds of brake do IR’s locomotives have?
July 16, 2019

Locos in India typically have air brake systems these days. As there is still a lot of freight stock, and some passenger stock that is not air-braked, many locos do have dual braking capability where they can deal with both vacuum braked and air-braked stock. For instance, the original WDM-2 locos were vacuum-braked. As air braked stock came into

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What kinds of brake systems do IR coaches and freight cars have?
July 16, 2019

In older stock, both passenger coaches and freight wagons, the continuous braking system consists of vacuum brakes. Newer stock is almost always air-braked. The guard often has mechanical brakes acting on his van. In addition, each piece of stock has mechanical parking brakes. Continuous brakes were tried out by the various railway companies in

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Where are IR’s freight wagons manufactured?
July 16, 2019

Most wagons today are manufactured by private firms such as CIMMCO, Texmaco, HDC, Besco, Binny Engineering Works, Titagarh, and Modern. Public-sector organizations such as Burn Standard Co., Braithwaite, Jessops, Bharat Wagon and Engg. Co. (these last four are held by the Bharat Bhari Udyog Nigam, Ltd.), Bridge and Roof, Indian Standard Wagon,

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What are CONCOR container consists?
July 16, 2019

CONCOR is the organization that handles container traffic in India. More details here. CONCOR has about 1905 BLC type low-bed wagons for fast container traffic. CONCOR also plans to acquire new 45-foot wagons to carry 22-foot domestic containers as well as 45-foot international containers, and also to take over some BRN wagons from IR and convert

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What other forms of train working are used on IR other than the block system?
July 16, 2019

Following trains system In this system, trains are worked between two stations by dispatching them one after the other (all in the same direction) at specific intervals (generally at least 15 minutes). The trains are run at specific speeds (less than 25km/h). This ensures that there should only be one train in every 5km stretch in the section

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