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Blog Posts by Sundar Mukherjee
Page#    11 Blog Entries  next>>
  
Info Update
0 Followers
391 views
Aug 08 2016 (14:07)  
 

Sundar Mukherjee   15 blog posts
Entry# 1955381            Tags   Past Edits
MGS Loco Shed Visit
click here
  
General Travel
0 Followers
462 views
Aug 07 2016 (11:57)  
 

Sundar Mukherjee   15 blog posts
Entry# 1954314            Tags   Past Edits
Visit to DLW Varanasi
click here
  
Rail Fanning
0 Followers
521 views
Jun 01 2016 (19:43)  
 

Sundar Mukherjee   15 blog posts
Entry# 1875411            Tags   Past Edits
A small write up on Talgo.
click here
  
Rail Fanning
1 Followers
679 views
Jun 01 2016 (07:53)  
 

Sundar Mukherjee   15 blog posts
Entry# 1874291            Tags   Past Edits
Latest visit to CLW.
click here

  
692 views
Jun 01 2016 (07:56)
nump421~   1048 blog posts   1035 correct pred (91% accurate)
Re# 1874291-1            Tags   Past Edits
Nice. Photography allowed inside?
  
Rail Fanning
0 Followers
710 views
Nov 15 2015 (07:30)  
 

Sundar Mukherjee   15 blog posts
Entry# 1649624            Tags   Past Edits
A small write-up on various present railway firms.
click here
  
★★  Rail Fanning
1 Followers
1529 views
Nov 13 2015 (06:13)  
 

Sundar Mukherjee   15 blog posts
Entry# 1647086            Tags   Past Edits
These are all my various visits to sheds and factories. One can see in the links given below. I have RDSO Lucknow and DLW Varanasi in my pipeline to visit next. Hope everyone enjoy the posts.
Three Visits to Chittaranjan Locomotive Works
1. click here
2. click here
3.
...
more...
click here
Loco Shed/Factory Visits: Howrah, Gomoh, Vadodara, EMU Shed Howrah, ICF Perambur
1. click here
2. click here
3. click here
4. click here
5. click here
ABB 3 phase Origins and the Engineers involved.
1. click here
2. click here

  
1136 views
Nov 13 2015 (16:36)
RAGIB   366 blog posts
Re# 1647086-1            Tags   Past Edits
I went through some of your posts. It was very= nice to read. Thanks for sharing so much information and pics.

  
1085 views
Nov 13 2015 (23:53)
Guest: 7fc2c11d   show all posts
Re# 1647086-2            Tags   Past Edits
I have gone through many of it. Specially GMO, HWH, BRC and CLW are really masterpieces. From the core of my heart I salute those Engineers(GP 140 Project of 3-Phase Locos) doing a Lot for 3-Phase Loco in IR whose photographs you have shared in your GMO Trip Report with the 1st WAG-9 pic I think(ABB Livery). Excellent it is. It is beyond any doubt that these Trip Report of yours made me really passionate about 3-Phase Locomotives and 3-Phase Technology. GMO ------ A Den of WAG-9 with advanced maintenance facilities of 3-Phasers like TATA in SER. Hope in future we will see WAP-7 again in GMO.(All GMO WAP-7 is now Transferred to HWH).
Thanks Dear, continue this and enlighten us
...
more...
with valuable infos......... wonderful effort.
  
Rail Fanning
0 Followers
673 views
Nov 13 2015 (21:39)  
 

Sundar Mukherjee   15 blog posts
Entry# 1648099            Tags   Past Edits
A small write-up on various Light Rail and Metro In India.
click here
  
★★★  Rail Fanning
1 Followers
1837 views
Nov 12 2015 (07:44)  
 

Sundar Mukherjee   15 blog posts
Entry# 1646099            Tags   Past Edits
Trip Report of Visit to Integral Coach Factory Perambur.
click here

  
★  
Nov 12 2015 (11:22)
Guest: 7fc2c619   show all posts
Re# 1646099-1            Tags   Past Edits
This guy is a "REAL ASSET" for our Family.
Specially regarding the Electrical Rolling Stock.
His Trip reports at CLW, BRC , GMO & HWH ELS and now ICF all are a "Mine of Valuable Informations".
I hope Sundar will guide our family with all his valuable contribution in future also.
Salute
...
more...
to you dear.

  
1031 views
Nov 12 2015 (14:38)
Guest: 7fc2d5b3   show all posts
Re# 1646099-2            Tags   Past Edits
CLW has already announced that they will switch over to the production of 3-Phasers permanently in their Official website. WAG-7 production has already been stopped by them. 3 more WAP-4 is yet to be turned out from CLW vide Loco numbers: 25048,25050 and 25051. I think 25051 will be the last Conventional Loco to be turned out from CLW after which "The Historic Transition" will be made Officially at CLW and they will stop the Production of all Conventional Loco Permanently.
Eagerly wait for the Historic Moment, hope it will happen before 31.12.2015(Thursday)
...
more...

1 posts are hidden.

  
Nov 12 2015 (14:59)
†★⚡ WAP5 ⚡★†   6164 blog posts   278 correct pred (91% accurate)
Re# 1646099-4            Tags   Past Edits
Excellent trip report! I've been here myself. Had a great experience. Still wondering why IR is still using coil suspensions at the secondary stage for LHB coaches with FIAT bogies. Only Double Deckers have FIAT bogies and pneumatic suspensions both!
  
★★★  Info Update
2 Followers
2182 views
Mar 10 2015 (22:31)  
 

Guest: 7fc2d689   show all posts
Entry# 1392829            Tags   Past Edits
A term which is common in the world of Locomotives is "Gear Ratio".
This blog is dedicated to explore the term "Gear Ratio" in detail.
What is Gear Ratio?
Ans: The gear ratio of a gear train, also known as its speed ratio, is the ratio of the angular velocity of the input gear to the angular velocity of the output gear.The gear
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more...
ratio can be calculated directly from the numbers of teeth on the gears in the gear train. The torque ratio of the gear train, also known as its mechanical advantage, is determined by the gear ratio.The speed ratio and mechanical advantage are defined so they yield the same number in an ideal linkage.
For more details please refer: click here
How to determine Gear Ratio?
Please refer the following link for determining Gear Ratio by following 10 easy steps with pictures
click here
How Gear Ratios Work?
Please refer the following Link to see the "Detailed Explanation" about the Functionality of Gear Ratio by Marshall Brain
click here
For the information of the viewers the "Gear Ratio" of the two most popular passenger locomotives of IR are as follows
WAP 4: 23:58
WAP 7: 72:20
Please see the "Technical Specifications" of the "Source Links" given below:
click here
click here
Attached Image:
Gear Of WAP 7 in front of it's Driver Display Unit(I marked the Gears by editing the Picture in ms paint on request of the viewers of IRI to attach the images of Gears of Loco with this blog[Please see Re# 1392829-2])
Driver Display Unit of WAP 7 made by Advanced Rail Controls Bangalore
Pic Courtesy of above Pics: Mr Sundar Mukherjee , IRFCA Member and Rail Enthusiast
Image Link of both the images: click here

3 posts - Tue Mar 17, 2015

  
1168 views
Mar 17 2015 (11:52)
Guest: 35fb5bab   show all posts
Re# 1392829-7            Tags   Past Edits
Thanks a lot.......... for your valuable explanation.
Tractive Effort is also known as "Braking Effort", I think.
Regards
Nilanjan Ray

  
1105 views
Mar 17 2015 (19:54)
Sundar Mukherjee   15 blog posts
Re# 1392829-8            Tags   Past Edits
Yes correct when deceleration is done then it is called braking effort. Here "Regenerative Brake" is denoted as the braking effort.
Regards
Sundar Mukherjee

  
1102 views
Mar 17 2015 (20:07)
Guest: 7fc2cd11   show all posts
Re# 1392829-9            Tags   Past Edits
Many thanks for your valuable opinion.
I am a "Great Fan" of 3 Phase Locomotive and posted many blogs regarding 3 Phase Locomotive.Try to know each and every detail of 3 Phasers.
Please inform
Will CLW increase production of 3 Phase Locomotive in future and reduce gradually the production of Conventional Locos in future?(Seen under the head of New Projects in CLW Official Website
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more...
also posted in Entry# 1399604 here)
Is there any possibility of South Eastern Railway to use 3 Phase Locomotive in future(Presently only WAP 4s are seen in SER hauling Passenger Trains and sometimes WAM 4s and WAG 7s also haul SER Trains)
Will WAM 4s be withdrawn in futuure(As per RDSO recommendation)

  
1120 views
Mar 17 2015 (20:20)
Sundar Mukherjee   15 blog posts
Re# 1392829-10            Tags   Past Edits
Regarding CLW you may see my two of these visits out of three. You may find some information. Regarding SER i do not have any idea. As per my knowledge and also my visit to SRC ELS, the shed needs to be renovated and upgraded for 3 phase maintenance.
And yes after the codal life of M4 ends it will be withdrawn.
1. click here
2.
...
more...
click here
Regarding CLW, the production of G7 and P4 may stop this year. It all depends on tenders. If material supply is in abundance expect G7 and P4 production to come to an end. And if not, it will continue.
Regards
Sundar Mukherjee

  
1045 views
Mar 17 2015 (20:29)
Guest: 7fc2cd11   show all posts
Re# 1392829-11            Tags   Past Edits
Many thanks for this very useful info and the links you have provided is also very good and informative.
I heard that a training regarding 3 Phaser is going on SRC ELS but no official proof is yet been seen. Regarding this issue I personally emailed GM and COM of SER and enquire about the reason of not using 3 Phaser in SER though they still not give the reply of my e-mail.
Also made an e-mail to DRM SDAH copy to GM ER to withdraw 3 Phase Loco from the charge of
...
more...
SDAH NDLS Duronto since 2013 and continue with WAP 4 instead of WAP 7 for this train since 2013 but the reply of this e-mail also is pending.
I am a "Die Hard Fan" of 3 Phase Loco and want to see 3 Phaser for every Duronto, Rajdhani and Shatabdi and important superfast expresses of IR.
Regards
Nilanjan Ray
  
★★  General Travel
3 Followers
5931 views
Sep 17 2014 (14:40)   12834/Howrah - Ahmedabad SF Express (PT) | ADI/Ahmedabad Junction (10 PFs)
 

Guest: 7fc2cad1   show all posts
Entry# 1217117            Tags   Past Edits
Taking a glance at the "Premium AC Express Section "(Yet to be introduced)in recent timetable(September 2014 edition) I think IR should provide a "Premium AC Express with LHB Coaches" to cater to the demand of Gujrat bound passengers from Howrah in a less amount of time than the existing SF expresses. Because prevalent Superfast trains in this route have taken a great deal of time due to plethora of stoppages these train have between HWH and ADI(both in Up and Down Trips).
The trains are:
22830 SHALIMAR BHUJ WEEKLY
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more...
SF EXP
12950 SRC PORBANDAR WEEKLY SF EXP
12938 HWH GANDHIDHAM GARBA SF EXP
12906 HWH PORBANDAR SF EXP
12834 HWH ADI SF EXP
"Non Stop Duronto" won't be popular or profitable in this long route of 2088 km rather a "Weekly or biweekly Premium AC Exp with LHB Coaches" can be popular and profitable if introduced in this "Crowded Route".
IR is requested to think deeply about introducing a "Weekly or biweekly Premium AC Exp with LHB Coaches " from Howrah to Ahmedabad in future having selected important stoppages.
Attached Pic:
SRC WAP 4 with 12834 HWH ADI SF Express arriving UDHNA Junction
Please cast your views regarding this proposition of mine.

17 posts are hidden.

  
843 views
Sep 18 2014 (13:10)
Sundar Mukherjee   15 blog posts
Re# 1217117-19            Tags   Past Edits
Please open your text books and see advantages of DC Motor over AC induction Motors... You will understand why WAP 4 production is being continued.

  
919 views
Sep 18 2014 (13:15)
Sundar Mukherjee   15 blog posts
Re# 1217117-20            Tags   Past Edits
There is nothing known as permanent link for any loco for your kind information. Please visit sheds and have some enlightment on all these.

5 posts are hidden.
Page#    11 Blog Entries  next>>

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