PJM
Member
810008 just passed Market Harborough pan up!
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Class 810 for East Midlands Railway Construction/Introduction Updates
- Thread starter Jozhua
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R
RailUK Forums
That depends if minimal resilience (unlike the rest of the 80x) on higher performance spec works in practice...
We need to wait a few years to find out.
Don't Hitachi build what is specified by the company ordering the train?
Richard123
Member
Not in the case of availability requirements!
Just ask LNER or GWT…. (Or their passengers on short-formed trains!)
If you read what I was referring to , the post quoted performance. Which I take to mean as speed, power etc!
rmHawk765
Member
I am pretty sure they meddled with the 805 engines, which didn't go terribly well - IIRC many units were running with some engines disabled due to faults well after introduction.
littledude
Member
Where has this misconception come from that’s regularly stated the 801s have a ‘small rescue engine’ - it’s exactly the same as an 800, just there’s only 1 of them!
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All transformers are used all of the time - on a 5 car both transformers (cars 1 and 5) and on a 9 car all three transformers (cars 1, 4 and 9)
The 25kV bus-bar runs along the roof linking the active pantograph to all transformers
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And that one engine can get a 9 car set up to about 45mph on the level.
Nottingham59
Established Member
Out interest, how fast will the 9-car Class 800 go on all five diesel engines?
I believe they hit about 117-120 on the level.
Nottingham59
Established Member
Thank you.
tfw756rider
On Moderation
Exactly - I wouldn't call a 21-litre V12 "small" in an underfloor multiple unit application!
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In what way meddled? Negative side effects of having the tighter emission controls, or...?
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They were the first Stage V MTU 1600 engine on the 80x (all the older ones being Stage IIIB emissions) and had completely new exhaust and engine software changes. Not meddling effectively new engine from regulatory and certification point of view.
There are separate lack of sufficient cooling issues due to the aerodynamic skirting at certain speeds combined with radiators getting filled with plant detritus at some time of year (and not getting cleaned often enough).
This would suggest it would be 810001, 003 or 004.
810008/009 are based at Etches Park, running on 3Axx codes.
david.stannard
Member
- Joined
- 20 Apr 2009
- Messages
- 45
Or indeed the rumoured first mainline test of the 810s working in multiple (possibly 03 and 04)?
Would they not do 10 car testing at Old Dalby first? Clear of a mainline?
tram21
Established Member
Unsure if this has been mentioned yet, but 810008 is fully vinyled up and looking very smart at Etches Park!
Can easily be seen from trains between Derby and Spondon.
Can easily be seen from trains between Derby and Spondon.
This has been in full EMR livery since September 2024.
It is the unit that EMR used for internal pictures for publicity purposes.
STINT47
Member
008 and 009 are now parked up at Etches Park.
They've been put next to the main line to taunt passengers on overcrowded tatty Meridians.
They've been put next to the main line to taunt passengers on overcrowded tatty Meridians.
ryan125hst
Established Member
I didn't realise there are three transformers on a 9 car? So there a transformer in one of the Trailer Standards as well? Is that the one nearest first class or on the standard class end?
How long does it take to achieve that?
littledude
Member
Car 4 has the transformer. Of the 4 trailer cars, 1, 4 and 9 have transformers and 1, 6 and 9 have batteries.
ryan125hst
Established Member
I think I am right in saying cars 1 and 9 have compressors? And cars 2, 3, 5, 7 and 8 have auxiliary converters (same ones that have the traction inverters).
I have actually started a thread about this @littledude where this is more suited: https://www.railforums.co.uk/threads/azuma-technical-equipment-arrangement.290733/
Getting back on topic for this thread, we know there is only a single transformer on the 810's, located in car 3. I wonder what else will need relocating as a result of the additional engines. Are the batteries and compressor in the centre car instead of the driving vehicles?
tram21
Established Member
In full livery? Because I'm sure they keep adding more bits every time I go past, like the '1' for first near the doors for example?
Attached picture below taken November 2024, shows '1' at each end of carriage.
Attachments
8 nearest the running line with full vinyls
Thank you..appreciate