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Dubbelväxel eller trevägsväxel ? (Bana)

av Sven A, Monday, December 07, 2020, 21:21 (1646 dagar sedan) @ Thomas Helin

Det låter som Skoghult där MÅJ och RÄJ korsade varandra.

Japp, men det var en dubbelkorsningsväxel med innerliggande dubbelspetsad korsning, dvs av engelsk typ.
Det som var unikt med den växeln var att båda halvorna manövrerades samtidigt.
Lägen var antingen samtliga tungor låg i kurvläge, eller rakläge, såsom på en DKV på en modelljärnväg.
Normalt i Sverige manöveras varje halva var för sig, så oerfarna växlare brukar fundera både en och två gånger..... "Ligger växeln verkligen rätt?"


Hela tråden:

 


Time: 250
SELECT COUNT(*) FROM mlf2_entries LEFT JOIN mlf2_akismet_rating ON mlf2_akismet_rating.eid = mlf2_entries.id LEFT JOIN mlf2_b8_rating ON mlf2_b8_rating.eid = mlf2_entries.id WHERE pid = 0 AND (mlf2_akismet_rating.spam = 0 AND mlf2_b8_rating.spam = 0) AND category IN (0, 4, 5, 6, 7, 8, 9, 25, 14, 23, 19, 22, 24, 10, 21, 11, 12, 13, 15, 16, 26, 18, 20, 27)


Time: 1100
SELECT COUNT(*) FROM mlf2_entries LEFT JOIN mlf2_akismet_rating ON mlf2_akismet_rating.eid = mlf2_entries.id LEFT JOIN mlf2_b8_rating ON mlf2_b8_rating.eid = mlf2_entries.id WHERE (mlf2_akismet_rating.spam = 1 OR mlf2_b8_rating.spam = 1)
Time: 1301
SELECT COUNT(*) FROM mlf2_entries LEFT JOIN mlf2_akismet_rating ON mlf2_akismet_rating.eid = mlf2_entries.id LEFT JOIN mlf2_b8_rating ON mlf2_b8_rating.eid = mlf2_entries.id WHERE category IN (0, 4, 5, 6, 7, 8, 9, 25, 14, 23, 19, 22, 24, 10, 21, 11, 12, 13, 15, 16, 26, 18, 20, 27) AND (mlf2_akismet_rating.spam = 0 AND mlf2_b8_rating.spam = 0)

Total time: 5206

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