Other than diesels, were there other internal-combustion locos used in India?

20-06-2019

For contemporary applications, see the section on alternative fuels. In 1905 Kerr Stuart delivered a 12hp 0-4-0 petrol-driven 2'6" loco to Morvi Railway and Tramways. In 1909, a railcar with a Dodge petrol engine was supplied to the Matheran Light Rly. In 1909, a 0-6-0 petrol-driven MG loco was supplied by McEwewn Pratt and Co. of Wickford in Essex to Assam Oil Co. In 1910, Morvi Railway and Tramways obtained a 30hp 0-4-0 petrol-driven 2'6" loco from Nasmyth Wilson. In 1910 and 1911, a few petrol-driven parcel delivery vehicles were supplied to EIR by Thornycroft. Another 13 petrol-driven locos were delivered by various builders up to 1920, and a further 75 between 1920 and 1930. Their

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What are the systems of colour-light signalling used by IR?
July 14, 2019

There are three systems of colour-light signalling in use. (In IR terminology, the term Multiple-Aspect Colour-Light signalling includes both 3- and 4-aspect signalling, and 2-aspect signalling is usually treated as a variant of 2-aspect semaphore signalling. Hence the classification below is not the same as IR's.) Two-aspect colour-light

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What are drooping signals?
July 14, 2019

In single-wire transmission, heat causes the transmission wire to stretch or shrink, and this can result in an incorrect indication of the signal aspect. For instance, the most restrictive aspect may end up being below the horizontal in upper-quadrant signalling on a hot day - this is termed a drooping signal when the angle is more than 5 degrees.

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What are ‘single-wire’ and ‘double-wire’ signalling?
July 14, 2019

'Single-wire' apparatus, as the name implies, utilizes a single wire or cable connecting the signal lever at the cabin or elsewhere where the signal frame is located, to the actual semaphore mechanism on the signal post. Operating the signal lever to take the signal off causes the transmission wire to be pulled, moving the semaphore arm to the

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What are the systems of semaphore signalling used by IR?
July 14, 2019

In IR's lower quadrant system (Two-aspect Lower Quadrant) the semaphore arm can only be in two positions. The horizontal on position shows the most restrictive indication (requiring the train to stop or slow down or proceed with caution depending on the kind of signal), and a lowered position where the semaphore arm is at about 60 degrees or more

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What types of signalling systems are used on IR?
July 14, 2019

R uses several forms of signalling. In IR manuals reference is made usually only to 4 main types of systems, Lower Quadrant semaphore, Modified Lower Quadrant semaphore, Multiple Aspect Upper Quadrant semaphore, and multiple-aspect colour-light signalling. But in practice there are some variations in the kinds of colour-light signalling seen, so

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What kinds of signals (semaphores, lamps, etc.) does IR use?
July 14, 2019

IR uses several kinds of signals. Semaphore signals have generally given way to colour-light signals although there are still many places with semaphore signalling in use. Semaphore signals are the older style signals seen widely throughout the country, where each signal has an assembly with an arm mounted on a mast, where the arm can move

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