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Many countries interested to import t...

Chalanachithram.com DB » New TF Industry Related » Archive through January 22, 2019 » Many countries interested to import train 18 « Previous Next »
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Bumper
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Username: Bumper

Post Number: 15841
Registered: 07-2014
Posted From: 67.240.45.153

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Posted on Monday, January 21, 2019 - 07:06 am:       

Middle coach break pani cheyakapothey enti paristhithi?
beedi hatavoo desh batchavoooooo
 

Tintin
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Username: Tintin

Post Number: 1213
Registered: 01-2018
Posted From: 27.59.150.163

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Posted on Monday, January 21, 2019 - 07:02 am:       

Technology Alstom, germany di kada.. just manufacturing in india
 

Savyasachi
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Username: Savyasachi

Post Number: 2789
Registered: 12-2013
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Posted on Monday, January 21, 2019 - 06:53 am:       

its an interesting concept, most of the coaches are self propelled and has regenerative breaking which is nice.

major drawback is its very hard to dis assemble individual coaches and attach to some other train. that is the reason they had to be sold in train sets instead of individual coaches/engines.

it will be a major hit, if they could come up with a easy way to attach/detach individual coaches
 

Ringo_rangaswamy
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Username: Ringo_rangaswamy

Post Number: 22140
Registered: 02-2011
Posted From: 8.36.66.4

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Posted on Friday, January 18, 2019 - 04:29 pm:       


Sannayi_nokkulu:





Cool. Motor-less trains looks similar to what we see here in AirTran etc. Not seen many in US for long distance.


Motor-less train

A train in a traditional manner consist of Locomotive (also called âThe Engineâ in general term) which pulls Wagons/coaches.

Locomotive is self-propelled (by Diesel or Electricity) while Wagons cannot move on their own.

It takes tremendous amount of power for the single Locomotive to pull about 20 or 30 wagons and this limits (Restricts) acceleration of train.

Why acceleration is important?

{

Higher acceleration means a stationary train will take shorter time to come into its running speed. Also if a train is running slow on a particular section (due to crossing or track limitations like bridges) it can pick up speed very quickly.

Single Locomotive train needs powerful motor/diesel engine to achieve such higher acceleration & it would create more jerks on coupling (which connects coaches with Locomotive & one another)

}

Thus,

Engineers brought a new concept. Why not to install Electric motor in each wagon to make them self propelled! Thus the Electric multiple units (EMU) were born.. It eliminated a Single Locomotive Engine unit train system. With betterment in traction (Propulsion by electric motor) & braking system technology they are now used extensively in the world.

In our country, use of EMU system has been restricted to Sub-urban rail network & metro rails. It provides flexibility, with few switches direction of train can be reversed.

Railways did not explore this concept of EMU to long distance trains until now. But now it has come up with Train-18.

Thus train-18 is basically the EMU. It offers better acceleration thus travel time will be saved. But peak speed is always Limited by Rail tracks. Indian rail tracks are non-Continuous-Welded-Rails, thus we can't expect 160 kmph+ speeds here.
 

Bumper
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Username: Bumper

Post Number: 15820
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Posted From: 161.11.160.176

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Posted on Friday, January 18, 2019 - 04:05 pm:       

nice
beedi hatavoo desh batchavoooooo
 

Sannayi_nokkulu
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Username: Sannayi_nokkulu

Post Number: 33195
Registered: 06-2014
Posted From: 166.137.244.61

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Posted on Friday, January 18, 2019 - 04:04 pm:       

Wrong icon
sachipotava , avineethi ga batukutava okkate option ante alochinchakunda chachipotaa ane type cbn - OT

Mahanati lo keerthy suresh kakunda ravali akka haritha vesi unte telisedhi ra meeku pain kikii -OT
 

Sannayi_nokkulu
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Username: Sannayi_nokkulu

Post Number: 33194
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Posted From: 166.137.244.61

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Posted on Friday, January 18, 2019 - 04:03 pm:       

https://www.ndtv.com/india-news/many-countries-interested-in -importing-indias-train-18-set-railway-officials-1979857


sachipotava , avineethi ga batukutava okkate option ante alochinchakunda chachipotaa ane type cbn - OT

Mahanati lo keerthy suresh kakunda ravali akka haritha vesi unte telisedhi ra meeku pain kikii -OT

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