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Collision and derailment at Neville Hill Depot (13/11/2019)

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DarloRich

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On a point of order, would the owner of the infrastruture arena not be implicated in some way if the injuries sustained were far more severe than would be expected due to the condition of the canvas? :|

No: the bout was sanctioned British Railway Boxing Board of Control & due to it being a unification fight it was sanctioned by the WRBA, WRBC, IRBF & IRBO
 
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eastdyke

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No: the bout was sanctioned British Railway Boxing Board of Control & due to it being a unification fight it was sanctioned by the WRBA, WRBC, IRBF & IRBO
Not good enough. In the grand scheme of things I am unhappy that one of the combatants seems to have in part fallen off, lest worse should happen in a far more serious contest.
I might though be satisfied in this instance by a report or digest from the UBC (Ultimate Board of Control) telling me it was down to the condition of the canvas. :)
 

PG

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Yes, but can't remember which one. At the moment LNER & Hitachi are involved in a disagreement on how to move that unit. As for the crash worthiness of the 800's. OK they will have an approved design, but that doesn't help the layout of internal pipework that is easily damaged when incidents occur.
As in move it to Newton Aycliffe or is somewhere else in the frame...

Since Agility Trains East (Hitachi) are the owner shouldn't they have the final say on where and how it goes?
 

DarloRich

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Not good enough. In the grand scheme of things I am unhappy that one of the combatants seems to have in part fallen off, lest worse should happen in a far more serious contest.
I might though be satisfied in this instance by a report or digest from the UBC (Ultimate Board of Control) telling me it was down to the condition of the canvas. :)

We shall have to wait for the report. It all looks very dramatic but we dont know what occurred
 

M60lad

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Where have both trains been moved to? I didn't see them at Neville Hill when I went past on train to York on Saturday unless their hidden from view
 

GrimShady

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One thing you seem to be ignoring is the 400+ tonnes that had to be brought to a standstill.

The fact that the 800 derailed instead of absorbing the kinetic energy in the crumple zone along with the HST is being ignored. One would have expected the HST to have at least moved in the aft direction or at least some part of it deflected. Is there other compressive damage on the HST not pictured?

I do have some experience of collisions during my time with the MAIB. 8-)
 
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pdeaves

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Where have both trains been moved to? I didn't see them at Neville Hill when I went past on train to York on Saturday unless their hidden from view
Anecdotally, it appears usual to try and put accident damaged stock away from the public gaze. Personally, I would be surprised if a decision to move to a known 'elsewhere' had been taken yet, and if it had the move(s) still needs to be planned, paths agreed with NR, etc.
 

158747

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The fact that the 800 derailed instead of absorbing the kinetic energy in the crumple zone along with the HST is being ignored. One would have expected the HST to have at least moved in the aft direction or at least some part of it deflected. Is there other compressive damage on the HST not pictured?
I noticed on the photos of 800109 that the 2nd and third coaches were both derailed to the right hand side in relation to direction of travel and both moved sideways the same distance. I believe what may have happened was that in the sudden stop caused by the impact the rear ends of both these vehicles momentarily lifted up from the track. In this instant when the wheels would have been clear of the rails, this then allowed the dampers between the vehicle ends and coupling bars to extend, moving the ends of the vehicles sideways.
 

ainsworth74

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Whilst the boxing analogies have been "fun" ( ;) ) it's time to get back to treating the topic seriously so if those taking part could call it quits that would be greatly appreciated.
 

alexl92

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Just going back for a minute, what would the thunderbird have been? One of the Neville Hill Depot 08s?
 

st285

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Where have both trains been moved to? I didn't see them at Neville Hill when I went past on train to York on Saturday unless their hidden from view
The Azuma was on neville hill yesterday when I passed from York.behind the emr hst’s with black plastic covering the damage.
 

daveshah

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Even if the RAIB don't have to publish a report or safety digest might a FOI request to LNER succeed in getting details from their internal investigation?

In the end, this might be possible, but I think they don't have to disclose information if it might prejudice legal proceedings, so they'd have to either have decided to take no legal action or wait for any proceedings to finish before disclosing.
 

swt_passenger

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Could one of the driving trailers have 'pushed' a non driving trailer which would be lighter I guess enough to cause it to come off the rails?
The “driving trailers” are heavier than the other trailers because the former contain the transformers. There are also the various motor vehicles which include the tensest, they’ll also be heavier than a pure trailer. Apologies if you know this, but “driving” refers to the cab position, not the motors.
 

J-P_L

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Just going back for a minute, what would the thunderbird have been? One of the Neville Hill Depot 08s?

There was a turquoise class 67 positioned behind the Azuma when I went passed about half 4 on the evening. Didn’t check the number was too busy being nosey
 

heedfan

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Just going back for a minute, what would the thunderbird have been? One of the Neville Hill Depot 08s?

The 08s at NL aren't approved for mainline running as far as I am aware so that would have been potentially tricky due to the need to couple to the undamaged end of the Azuma. I believe it was the LNER Thunderbird.
 

NeilNX

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image0.jpg


Yeah.... the Class 43 got of lightly.....
Impressive damage job, on the 80x, shattered front end coupling broken up and first 3-4 coaches derailed and hst just gets battered nose and front end. Not what you want on a new train to the fleet. Guessing the set will slip back to newton aycliffe factory for assessment and repair.
 

northernbelle

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You can't really tell from one dark photograph, but are trains not intended to deform to some extent in an accident to absorb some of the energy?

Yes they are - the energy of an impact has to go somewhere and it's best used to smash up sacrificial aspects of bodywork rather than threaten survival space inside the train.

Having seen how easily an impact can destroy the human survival space of an HST power car, and knowing what's behind the superficial nose cone of 80x - I'd choose to be on the Azuma any day of the week.
 

Bosch91

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A lot of comments regarding the “worrying damage” to the Azuma.

The damage pictured for me would be worrying if it had caught a pigeon or a large wasp, not rear ending an HST.

Anyone shed any light on weather the fact that the Azuma was half way across a set of points would have contributed to the Azuma being de railed and the HST not?
 

swt_passenger

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Anyone shed any light on weather the fact that the Azuma was half way across a set of points would have contributed to the Azuma being de railed and the HST not?
That’s what I was thinking when noting the track layout under the middle of the train in an earlier post, but no-one seems to be in a position to confirm.
 

43096

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A lot of comments regarding the “worrying damage” to the Azuma.

The damage pictured for me would be worrying if it had caught a pigeon or a large wasp, not rear ending an HST.
But it is concerning given the speeds involved (~10mph AIUI) that this has caused the IET to derail. Less bothered about the cab - that is merely decorative on top of the structure underneath - but the damage further down the set does pose some real questions for Hitachi.
 

Bosch91

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As already stated an Azuma is ell over 400 tons which takes an awful lot of momentum to get going, and hence an awful lot of Energy to stop, my thoughts anyway
But it is concerning given the speeds involved (~10mph AIUI) that this has caused the IET to derail. Less bothered about the cab - that is merely decorative on top of the structure underneath - but the damage further down the set does pose some real questions for Hitachi.
 

malc-c

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My guess is that the reason the fronts of these trains look so bad for what is in effect a low speed bump is through design. Composite materials designed to absorb the energy and shatter in the way they have, and in doing so means less damage to structure and equipment behind it, much the same as crumple zones in modern cars. However what did shock me was the way the 800 derailed at what is claimed to be 15mph. Makes you wonder how well an Azuma will stand up in a high speed derailment similar to the one at Hatfield back in the 1990's or an impact like this one but at a higher speed.

I'm guessing that these days that everything is computer modelled rather than real life testing
 

43096

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As already stated an Azuma is ell over 400 tons which takes an awful lot of momentum to get going, and hence an awful lot of Energy to stop, my thoughts anyway
So is an HST. But that stayed on the rails.
 

option

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Impressive damage job, on the 80x, shattered front end coupling broken up and first 3-4 coaches derailed and hst just gets battered nose and front end. Not what you want on a new train to the fleet. Guessing the set will slip back to newton aycliffe factory for assessment and repair.

Have there been any pictures along the length of the HST?

Did the HST have all it's brakes on? Any damaged couplings? Did it move along the track?
So many things that you can't tell about the HST.
 

Bosch91

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So is an HST. But that stayed on the rails.
The HST was stationary and parked on a straigh length of track as far as I know. The Azuma was traveling across a set of points, so I’d have thought due to the clearance between each unit there would have been a brief moment where the front of the train was stationary and the rear was still pushing forward possibly pushing bogies from the forward units off the rails?
 

GrimShady

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The HST was stationary and parked on a straigh length of track as far as I know. The Azuma was traveling across a set of points, so I’d have thought due to the clearance between each unit there would have been a brief moment where the front of the train was stationary and the rear was still pushing forward possibly pushing bogies from the forward units off the rails?

Sounds about right tbh, that would account for the deflection on the 800s part.
 

swt_passenger

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My problem isn't that it crumpled, - it's a crumple zone so it did it's job in that respect - it's how much it has crumpled. As malc-c said;
My theory, if the crumple zone is to protect the driver’s safety cell much better than earlier designs, it has to be much longer, with more steelwork components designed to progressively collapse. So there’ll be bound to be more length to the visible damage to the non-structural aerodynamic fairings that surround the couplings etc.
 

dgl

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I suppose it's a bit like modern cars, the front might look terrible in an accident but importantly the main body if the car is not misshapen.
Remember all that damaged stuff at the front absorbed energy that is not then passed on to the occupants of the train.
 
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