Talk:Piston effect
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 | The contents of the Tunnel boom page were merged into Piston effect on 2017-06-24. For the contribution history and old versions of the redirected page, please see its history; for the discussion at that location, see its talk page. |
External links modified edit
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Merge Tunnel boom into/and Piston effect? edit
The articles overlap and do not link to each other. The effects are so closely related that merging would make sense. --Mopskatze (talk) 12:39, 17 April 2017 (UTC)
- I agree; I'll go ahead and merge the two articles since nobody seems to object. Peter Beard (talk) 08:37, 24 June 2017 (UTC)
- Please modify the links to other languages too. "Tunnel boom" had some links, but the lemma is not used any more. --83.228.190.62 (talk) 21:24, 6 December 2017 (UTC)
TGV-tunnel against Piston effect? edit
Special entrance hoods need holes in the hood or special sound absorbing material or a form "like a trumpet" or .... So why this image shows a special hood against Piston effect? For me it looks like a standard hood, a little bit longer than the tunnel to protect the track against falling stones and other stuff. ... ??? — Preceding unsigned comment added by 83.228.190.62 (talk) 21:29, 6 December 2017 (UTC)