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Title: IET bodyshells: surface coating failures, or corrosion? Post by: Mark A 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 (https://i.postimg.cc/rspWjTf5/gwr-iet-bodyshell-corrosion-1000.jpg) Title: Re: IET bodyshells: surface coating failures, or corrosion? Post by: PhilWakely on February 02, 2024, 17:21:02 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' ;) Title: Re: IET bodyshells: surface coating failures, or corrosion? Post by: broadgage on February 03, 2024, 07:28:40 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' ;) But only if not allowed to run in the worst conditions, an IET confined to the depot should survive Dawlish just fine. Title: Re: IET bodyshells: surface coating failures, or corrosion? Post by: broadgage on February 04, 2024, 06:05:45 Suggest merging this thread with the main "problems with IETs" thread.
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