As some of the toilets on the Vomit Comet dont work because the underfloor septic tank is full, and as you cannot open the windows, please fell free to ask for sickbags when you see the ticket checker, or register your complaint by spewing on the floor.
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Vomit Comet is still there. I'll keep an eye out about numbers.
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My only advice is to stick with coach E, third from the Cork end, its far enough away from either end to avoid the seriously werid ride, sit in the middle of the coach.
Avoid the last coach next the locomotive since it vibrates and that is a trigger for travel sickness if you are travelling the wrong way around. First class is really strange I'm told |
The Shortts 360s that Aer Lingus had many years ago were also known as Vomit comets and for the same reason. Up,down, side to side and lots of vibration.
The black hole rollercoaster in Alton Towers is more comfortable than these trains and I think we are all perfectly right to be critical. This is the 21st century and new trains should reflect that. Where it will end is really up in the air. |
If they blamed the lack of sickbags on the train for the unofficial strikes I might agree with them....
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OK. I was on the 4004 today and i was being bashed violently from side to side as I made my way to dining car.
Also has the nicest ticket checker ever. Do they do an award for ticket checker of the year? |
It's odd though some of the sets still seem to ride OK ish
They need to iron this out very fast or it'll be lousey PR. |
It rides much better Dublin Cork than Cork Dublin, the real test is the embankment about Mp58, its in a curve in open country, there is a lovely lurch as you go through at 80-90mph even the MK3 picks it up but its interesting in a MK4 in both directions.
Set 4002 had a very decent ride for a while but its lost it now, still better than the rest, 4003 is fairly scary and not practical, I can't type or write on it, I can on a MK3 and MK2 |
What you imply is that the ride is better when the loco is pulling the train rather than pushing it. Could it be something to do with the connections between coaches being under compression? If that is so then the problem in the Cork-Dublin direction should be at its worst in the coaches at the rear.
MP 58 is in the Portlaoise-Ballybrophy section, just 1.5 miles before Mountrath. Last time I looked at a map this section was virtually straight, and any curves are very gradual. So there must be some serious wet spot or other track defect at MP 58. Is this shaping up to be a major design fault on the part of CAF, given that the Mk 4s are supposed to be good for 125 mph? When will the blame game start? |
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Its a curve hard to miss it embankment is rough stones with a access road running parrallel, don't think its a wet spot just a alignment issue possibly the embankment itself Quote:
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Two questions come to mind:
How much blame should be laid on CAF for this? Is it fixable? |
mark iv trains at kildare
I find it hard to understand why there is so much criticism of the Mark IV ride.
I want to try it for myself. Kildare is my nearest station. What Mark IV services stop at Kildare? Will report back. |
9:30 Kildare Cork
11:49 Kildare Dublin 17:35 Kildare Dublin 21:28 Kildare Cork Dublin bound isn't much fun since a flat out run can't be expected, but through Newbridge Dublin bound is shaky Its not just us, Irish Rail management admit the ride is bad but insist improvements are coming, its got worse not better |
I caught the 4001 today from Portlaoise at 7:24. I almost missed it as it pulled in as we were parking and it was actually on time for once. I imagine a good few people missed it this morning! Anyhow the ride didn't seem so bad except why I was writing around Kildare for about 10 mins my writing was impeded greatly and at some stages I couldn't even get my pen to connect with the page. I didn't feel sea sick though and I was sitting in carriage E so maybe that was why?
Edit: I forgot to mention that the train stopped in Clondalkin for a few minutes and then in CHerry Orchard where we were told that a locomotive had failed ahead of us on the track. We arrived 17 minutes late. |
I know this is a bit technical for this board but one of the problems in the "push" mode of this train is that the loco only seems to use the Buck-eye coupler (I stand to be corrected) to connect to the end coach.
In other systems, the use of buffers and a 'rubbing plate' would soften the interaction between coach and engine. There don't seem to be buffers or plate on the CAF and no rubbing plate on the loco (Not strictly required, note Mk3 Push Pulls) |
Thats not an issue, you need a rubbing plate when you have a screw coupling or else you get a nasty bump moving off is push or the funny sound in pull when everything goes into tension
The pull away is perfectly smooth, a lot smoother than a MK3 no bumps or lurches The issue is the train is rigid coupled so when a coach hits a bump it transfers its instabilty through the other coaches since the coupler has a very limited degree of freedom. With a screw coupling in pull its got freedom in 2D so the vibration and hunting isn't transmitted through the train. British Rail had the same problem with there MK4 and simply added a damper between coupler and body to reduce the effects of adjecent coaches, it worked a threat |
Why do I strongly suspect that it's a CAF intercity 125 type train which ought to have a powercar at either end?
It clearly behaves oddly when pushed... it seems like it ought to be being pushed and pulled. I travelled on a MK3 push-pull in push from Cork a few months ago and to be quite honest the ride was weird too. It wasn't dire, but it was far far worse than a normal MK3 in pull mode. At the very least could IE orientate the trains so that 50% of them pull from Cork rather than having them all jumpy from Cork? Also, which trains are now CAF and which are BREL MK3 ? timetable wise. (I've been away) |
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The ride varies dependent on the coach you are in more than anything else |
I would have thought the pointy end is where it is for PR reasons too.
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