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**Jon Worth** @jon@gruene.social · Apr 25

This idea - found via @fj and @temptoetiam - to install solar panels between train tracks strikes me as ridiculous

Railway tracks are grimy. Things fall off trains, like melting snow mixed with grit in winter. You can't incline the panels. How are you going to keep the panels clean enough? Because you absolutely don’t want to stop the train traffic to do it

https://www.rts.ch/info/regions/neuchatel/2025/article/la-premiere-centrale-solaire-sur-rails-a-ete-inauguree-dans-le-canton-de-neuchatel-28863275.html

Radio Télévision Suisse · Apr 24La première centrale solaire sur rails de Suisse inaugurée dans le canton de NeuchâtelBy Radio Télévision Suisse

Max @maxbob@det.social

@jon I only say „#Gleisschotterbettungsreinigungsmaschine“ - really curious to see how that machine works together with the solar panels.

https://www.wdrmaus.de/filme/sachgeschichten/gleisschotterwaschanlage.php5

www.wdrmaus.deDie Seite mit der Maus - GleisschotterwaschanlageMit einer Gleisschotterwaschanlage wird der Schotter, auf dem Bahngleise liegen, wieder aufbereitet und sauber gemacht. Das ist wichtig, damit der Schotter weiterhin seine Funktion erfüllen kann. Johannes schaut sich an, was mit den Steinen passiert und warum sie so wichtig sind.

#wdr #diemaus #sendungmitdermaus

Apr 30, 2025, 04:25 PM··IceCubesApp

7boosts·11favorites

**Timo Hetzel** @timo@hetzel.net · Apr 30

Apr 30

Timo Hetzel @timo@hetzel.net

@maxbob @jon I played around with a horizontal panel in my garden. It’s a dirt magnet. Water only pools and dries, leaving more dirt, instead of rinsing it away. Some tilt is needed, or you need to wash them all the time.

**Roland Sivonen** @transpontus@bahn.social · Apr 30

Apr 30

Roland Sivonen @transpontus@bahn.social

@timo @maxbob @jon ackchually railways are almost always built with a slight slope for drainage

**Sneezy** @47363@mastodon.social · Apr 30

Apr 30

Sneezy @47363@mastodon.social

@maxbob @jon

Not to defend the solar panel between tracks idea (yes, you heard it coming: but in theory there would be far less dirt in the Gleisschotterbettung because it would stay on top of the solar panels.
So you would need a new machine to clean them & you'd have to clean them at rather short intervals I assume. So not a good/workable idea.

**Vigeliensch** @vigeliensch@norden.social · Apr 30

Apr 30

Vigeliensch @vigeliensch@norden.social

@maxbob @jon
Very simple!

New automatic machine:

Disconnectiong electricity, lifting up panel carefully and puting aside carefully, renewing Gleischotterbett, transporting panel to the end of machine carefully, repositionig panel on exact former position carefully, reconnecting to electricity carefully!

Wait…