The Anonymous Widower

Alstom Hydrogen Aventras And The Uckfield Branch

In Alstom And Eversholt Rail Sign An Agreement For The UK’s First Ever Brand-New Hydrogen Train Fleet, I give my thoughts on Alstom’s new hydrogen train, which I have called the Alstom Hydrogen Aventra.

One possible route for the trains could be the Uckfield Branch, which has an hourly service from London Bridge via East Croydon and Oxted stations?

  • The route is forty-six miles long, with the Northernmost twenty-one miles electrified with 750 VDC third-rail electrification.
  • On each trip, the train would need to run for fifty miles without electrification.
  • There are seven stops on the route.
  • The platforms on the Uckfield Branch can handle a 240 metre train.
  • Trains take around three hours for the round trip.
  • Each train probably does around five round trips per day.

So would Alstom Hydrogen Aventras be able to work the route?

  • The length of a three-car Alstom Hydrogen Aventra is probably around 72 metres.
  • Three Alstom Hydrogen Aventras working together would be 216 metres.
  • Aventras can be configured to work on 750 VDC third rail electrification.
  • The capacity of a nine-car formation of Alstom Hydrogen Aventra would be similar to that of a ten-car Electrostar, which has shorter cars.

Three Alstom Hydrogen Aventra trains working together could seem to be a possible solution for the route.

These are my thoughts.

The Required Range

If each train has to do five round trips, with each needing fifty miles on hydrogen, the trains would need a range in excess of 250 miles, whilst running on hydrogen.

Refuelling With Hydrogen

This would probably be done at a depot setup to service the hydrogen trains, where they would be stabled at night.

I doubt that London Bridge or Uckfield stations would be suitable places to refuel

The Number Of Trains

In Battery Electrostars And The Uckfield Branch, I estimated that three ten- or twelve-car trains would be needed to run an hourly service. Running half-hourly would need six trains.

As each nine-car train would need three Alstom Hydrogen Aventras, an hourly service would need a total of nine and a half-hourly service would need eighteen individual trains.

I suspect that this would not be a cost effective way of using the trains, as a lot of trains would need to refuelled every day.

Conclusion

I am not saying that Alstom Hydrogen Aventras couldn’t work the Uckfield Branch, but I’m sure there are are better ways to decarbonise the route.

November 12, 2021 Posted by | Hydrogen | , , , , , | 9 Comments

Northern Ireland Spends £100m On Clean Buses

The title of this post, is the same as that of this article on Electrive.

If Wrightbus can’t rely on the Northern Irish government to buy their buses, who can they?

November 12, 2021 Posted by | Transport/Travel | , , , | Leave a comment

Velocys Announces Long-Term Clean Avgas Deals With Airline Behemoths

The title of this post, is the same as that of this article on the Energyst.

This is the first paragraph.

Fuel-from-waste pioneer Velocys has made the world’s biggest sustainable aviation fuel (SAF) plant more investible, as it detailed massive likely long-term supply deals to two big airline groups.

The share price seemed to benefit from the announcement.

I’m not bothered, as I have a small investment.

 

 

November 12, 2021 Posted by | Energy, Finance | , , | Leave a comment