The Anonymous Widower

How To Charge A Battery Train

There is a Twitter hashtag of #ipemu and this tweet has been posted, which describes something called a Railbaar from a well-known Swiss company called Furrer + Frey, who are very much involverd in transport electrification.



This could be the missing link in running IPEMU trains on branch lines, like those to Barrow, Lowestoft, Scarborough or Windermere. After pulling into the terminal, the battery is topped up to make sure the train gets all the way back.

As an example, current schedules at Windermere allow somewhere between six and fifteen minutes for the turnround, which is probably typical around the UK rail network

January 14, 2016 - Posted by | Transport/Travel | , , , , ,


  1. A short stretch of live centenary (or rod) at the turn back would be fine. Lowering a 25kV connector bar slightly out of position would very exciting…

    Comment by Mark Clayton | January 15, 2016 | Reply

  2. The data sheet says that that the pantograph that drops from the Railbaar has four connectors; two earth and two live..

    Comment by AnonW | January 16, 2016 | Reply

  3. It is a solution looking for a problem. All that is required is a short stretch of live OLE at the terminus (e.g. Windermere) to the existing design. Any system where a 25kV conductor moves is an accident waiting to happen, although damage to the train is the most likely result.

    Comment by Mark Clayton | January 16, 2016 | Reply

    • I suspect that a short lengthy of catenary or third rail, their system and other odeas are all valid. It just shows how valid an IPEMU could be!

      No engineer uses one tool for everything.

      Comment by AnonW | January 22, 2016 | Reply

  4. […] January 2016, I wrote How To Charge A Battery Train, in which I described a Swiss idea called […]

    Pingback by Railbaar In Rail Engineer « The Anonymous Widower | April 11, 2017 | Reply

Leave a Reply

Fill in your details below or click an icon to log in: Logo

You are commenting using your account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s

This site uses Akismet to reduce spam. Learn how your comment data is processed.

%d bloggers like this: