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Class 484 replacing class 483 on the island line: progress updates
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Journeyman
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Well, they will briefly. Within a few years, they'll be reduced to a pile of iron filings.
Mikey C
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Can't help wondering why they couldn't have just brought across a few D78s when they were withdrawn 3 years ago, if either SWT or the DfT had been more on top of the situation. It's not as if the interior and other changes for the mainland are actually needed for the IoW services, and the 4th to 3rd rail conversion would just follow the same process which was done on the 38 stock etc
edwin_m
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It also shows no third rail!
Bletchleyite
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Yeah, that might have made the job a bit cheaper!
swt_passenger
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I suspect it’s just far too early to draw conclusions from photoshopped colour schemes...
westcoaster
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Be interesting to see where they base them selves for testing. I'd hazard a guess Eastleigh for mainline testing and certification. ( Will they now need to fit OTMR and AWS/TPWS as well ).
samuelmorris
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Weren't there supposed to be some gauging issues with these? Was that debunked?
swt_passenger
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Isn’t the Island Line train only train stop protected at a few relevant signals? Of course the £26m might fund a few changes...
Was debunked fairly regularly in the original discussion in the main Island Line thread.
3 years ago there was still issues with the roof of the tunnel. They were only rectified last year. Possible lack of joined up thinking if anything.
samuelmorris
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Fair enough - these posts come up so often it's difficult to keep track of what's real or not...
Goldfish62
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Yes, the Island Line nor the 483s are fitted with AWS/TPWS so it would make sense to retain the tripcocks if indeed there are train stops fitted to any signals.
swt_passenger
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It’s a minefield. Browsing the various threads, including the general 230 one, you’d find Adrian Shooter of Vivarail quoted saying they definitely fit, followed a few posts later by someone else saying he was wrong...
Bletchleyite
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I think it's pretty conclusive that if they *didn't* fit then they wouldn't have just announced an order
(Mind you, didn't SNCF make that exact mistake a while back?
)Bletchleyite
Veteran Member
Simplest possible? Train staff on the southern end, train staff and ticket on the northern end? (You'd need the latter to be able to get the trains in and out of the depot unless you wanted to drive the staff back and forth in a van at the start and end of service).
Oh yeah, forgot that they all go to the depot for the night!
So you would actually need a couple of token machines (one for Brading, one for the depot).
Could it all be driver operated?
I asked about GSMR in terms of how you would rescue a broken down train.
So you would actually need a couple of token machines (one for Brading, one for the depot).
Could it all be driver operated?
I asked about GSMR in terms of how you would rescue a broken down train.
swt_passenger
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Well I was writing in the past tense about a situation that had developed over a number of years...I think it's pretty conclusive that if they *didn't* fit then they wouldn't have just announced an order
(...)
Mikey C
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I think it's pretty conclusive that if they *didn't* fit then they wouldn't have just announced an order
(Mind you, didn't SNCF make that exact mistake a while back?
If they don't fit we'll soon have a fleet of open top trains to go with the open top "Breezer" buses
Chris125
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It's tight but if anything larger than deep-tube stock was going to fit, it'd be these - since confirmed on twitter by Gareth Dennis:
https://twitter.com/GarethDennis/status/1121055592171356161
To be fair he's very been pro-active compared to the previous MP and relatively sensible too - his predecessor had been trying to get the line removed from the franchise system and become 'community-owned' with all manner of madcap ideas floated from steam trains up the pier to light rail, volunteer operated 'like a library', while suggesting the alternative was closure.
Neen Sollars
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How many two car 484 units will be required for the Island Line service?
yrreb
Member
I think it's currently timed to take around 24 minutes from end to end with two trains an hour, so granted that a full turn takes an hour you're talking only two out of the five they're getting. Not sure how possible it will be in the long run to up that frequently to three an hour instead?
Theoretically 2 to operate a 2car 30minute service interval but they are appearly getting 5 suggesting 2x2car at busy times on services.
yrreb
Member
How busy do (or can) they normally get?
Pretty busy in holiday season
Nym
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No, it's not.
yrreb
Member
It's interesting that the 483s are advertised as having 84 seats for a 2-car set yet the 484s should have around 114 seats (assuming from Wikipedia) even though each carriage is only around 2.3m longer, and I believe that's with a toilet added in as well. We'll see
Chris125
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