IET bodyshells: surface coating failures, or corrosion?

Mark A

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IET bodyshells: surface coating failures, or corrosion?

« on: February 02, 2024, 14:46:41 »

There's a Twitter thread running on the subject of visible corrosion involving LNER^» 's IEPs^▸ , which put me in mind of a photo from December (hopefully visible below) showing either a failure in the surface coating or corrosion around a GWR^▸ IEP window. It's reasonable to wonder if these trains are going to have 'A problem'.

Regarding the LNER twitter thread, someone's remarked that water ingress at the windows is causing issues as it's able to travel to where it can cause galvanic corrosion. LNER's trains run in a somewhat salt-rich environment, and GWR's even more so, and this cannot help either.

Mark


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PhilWakely

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Re: IET bodyshells: surface coating failures, or corrosion?

« Reply #1 on: February 02, 2024, 17:21:02 »

Quote from: Mark A on February 02, 2024, 14:46:41

Regarding the LNER^» twitter thread, someone's remarked that water ingress at the windows is causing issues as it's able to travel to where it can cause galvanic corrosion. LNER's trains run in a somewhat salt-rich environment, and GWR^▸ 's even more so, and this cannot help either.

Ah, but don't forget, both Hitachi and GWR have assured us that their IETs^▸ are 'Dawlish proof' Wink


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broadgage

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Re: IET bodyshells: surface coating failures, or corrosion?

« Reply #2 on: February 03, 2024, 07:28:40 »

Quote from: PhilWakely on February 02, 2024, 17:21:02

Quote from: Mark A on February 02, 2024, 14:46:41

Ah, but don't forget, both Hitachi and GWR have assured us that their IETs^▸ are 'Dawlish proof' Wink

But only if not allowed to run in the worst conditions, an IET confined to the depot should survive Dawlish just fine.


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A proper intercity train has a minimum of 8 coaches, gangwayed throughout, with first at one end, and a full sized buffet car between first and standard.
It has space for cycles, surfboards,luggage etc.
A 5 car DMU^▸ is not a proper inter-city train. The 5+5 and 9 car DMUs are almost as bad.

broadgage

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Posts: 5632

Re: IET bodyshells: surface coating failures, or corrosion?

« Reply #3 on: February 04, 2024, 06:05:45 »

Suggest merging this thread with the main "problems with IETs^▸ " thread.


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