Martin Hoffmann on Nostr: nprofile1q…pzywc nprofile1q…yy789 It’s not really about friction, but having ...
nprofile1qy2hwumn8ghj7un9d3shjtnyd968gmewwp6kyqpqm7tcfshghn6ypme0mlz5v6awmhath62qaf6m408hk8x5hdce4wyswpzywc (nprofile…zywc) nprofile1qy2hwumn8ghj7un9d3shjtnyd968gmewwp6kyqpqy98u6vcmvnxz0vt0z6d37827zxwzt7zy3dxzxr60x9sd9awh62mq8yy789 (nprofile…y789) It’s not really about friction, but having fewer axles per given train length reduces the unsprung weight. An axle weighs about a ton, so this is quite relevant. Plus, the running gear is one of the most maintenance heavy parts, so saving on bogies is good for operational cost.