This week we pick up the threat about couplers, trying to get an overview about which types couplers are currently in use around the world and finally discussing the working principle of knuckle couplers (Janney, AAR, American, Buckeye) together with some of the operational requirements deriving from the way they work.
Partial freight run on the vintage EMD SD40 locomotive in Dovetail Games coal-ladden Clinchfield Rail Raod DLC for Train Sim World 4, featuring an overview about contemporary coupler types, especially as they are implemented in the game (25:47) and a discussing of the working priciple (43:26) and operational requirements (46:30) of AAR knuckle couplers.
Quick Access:
00:00 – Start
04:40 – EMD SD40 setup
09:45 – Starting pair of locomotives
14:25 – Reversing to couple
17:20 – Coupling to coal hoppers
21:16 – Connections to couple and levels of automation (recap)
25:47 – Contemporary couplers over the world discussed
43:26 – Working principle of knuckle couplers
46:30 – Operational requirements of knuckle couplers
51:53 – Wabtec coupler sheet discussed
54:06 – Top and bottom operated knuckle couplers in the game
55:15 – Streching the train after couplering
56:50 – Departure from Elkhorn City
1:06:25 – Axle counter? device discussed
1:34:10 – Light effects of the rising sun
1:35:05 – Conclusion
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