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Gångmotstånd glidlager, last och spår? (Fordon: vagnar)

av IH, Thursday, December 29, 2022, 10:53 (873 dagar sedan) @ -RB-

3 kp/ton för rullager låter rimligt. En tågvikt på 1500 ton kräver då en dragkraft 4500 kp på en bana som är rak och plan. Motlut på 10 promille ger ytterligare 15000 kp dragkraftsbehov.
Sedan tillkommer dragkraftsbehov för kurvor. Men det är främst lutningen som avgör tågvikterna för godståg.


Hela tråden:

 


Time: 253
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Time: 1115
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: 1229
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: 2610

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