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Blog Entry# 4390977
Posted: Jul 29 2019 (19:20)

36 Responses
Last Response: Aug 02 2019 (09:58)
Rail News
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SER/South Eastern
IR Press Release
Jul 29 2019 (19:19)   CONVERSION OF ALL FOUR RAKES OF HOWRAH-YESVANTPUR EXPRESS FROM CONVENTIONAL TO LHB COACHES

ForeverRailfan^~   3197 news posts
Entry# 4390977   News Entry# 387709         Tags   Past Edits
With a view to provide secured and comfortable journey to the travelling passengers, South Eastern Railway has converted all four rakes of 12863/12864 Howrah-Yesvantpur Express with...

33 Posts

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Jul 31 2019 (08:06)
ahm33966~   4374 blog posts
Re# 4390977-34              
Sir i have a small query just for my knowledge
As a layman We know lhb technology is from Germany, but you r saying we were using CBC coupling ling before in goods trains before lhb concept came. Then what else we apart from little modified versions of earlier CBC used in goods trains , what else we obtained in that LHB technology transfer from Germany?
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Aug 01 2019 (01:59)
TheMadrasMail~
TheMadrasMail~   6349 blog posts
Re# 4390977-35              
Couplers are not directly related to the type of coach or locomotive. They are independent of the type of rolling stock and most railways end up choosing the coupler that suits their requirements. Just like how ICF coaches have variants with Screw couplers and variants with CBC couplers, there is nothing stopping IR from having LHB coaches with screw couplers. LHB coaches have CBC couplings simply because IR decided to start using CBC couplers. The CBC coupler has got nothing to do with the design of the LHB coach.
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Aug 01 2019 (02:14)
TheMadrasMail~
TheMadrasMail~   6349 blog posts
Re# 4390977-36              
There are a lot of features in the LHB coaches that were not used in IR earlier -
1) Bogies - The Bogie (the part of the coach containing the wheels) plays the most important part in deciding the speed potential and ride quality of the coach.
LHB coaches have a different bogie compared to the ICF bogie, called a 'Fiat' bogie. This design has several advantages over the normal ICF bogie, particularly at high speeds. In addition, it also has features that improve the ride quality.
2)
...
more...
Bogie-Shell connection -
The main body of the coach in which passengers sit, is called the 'shell'. This is mounted on the bogies through various mechanisms.
LHB coaches have a different arrangement compared to the conventional ICF coaches in connecting the shell to the bogie. The system in LHB coaches improves ride quality and simplifies maintenance.
3) Electrical systems and brakes - LHB coaches have a modular electrical system and electrically controlled anti-skid brakes, using disc brakes mounted on the wheels. ICF coaches have a much simpler braking system. (For those familiar with the brakes used in motor bikes, this is like the difference between Drum brakes and Disc brakes).
Of these, 1 and 2 are the most crucial differences between ICF and LHB coaches and had to be obtained from Alstom (who took over the LHB company in 1998), who had much more experience working with such designs than IR.
No.3, even though very important, was something that ICF could have eventually developed in-house within a short time.

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Aug 01 2019 (13:27)
ahm33966~   4374 blog posts
Re# 4390977-37              
Ok great info ....
Sir thanks for your reply ....
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Aug 02 2019 (09:58)
ahm33966~   4374 blog posts
Re# 4390977-38              
Total 75 lhb coaches in one month ER received.....
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