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REVISED PRIMROSE LOAD-TRANSFER SYSTEM

9th September 1966, Page 33
9th September 1966
Page 33
Page 33, 9th September 1966 — REVISED PRIMROSE LOAD-TRANSFER SYSTEM
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Mainly to accommodate cam-braked axles, but also to simplify installation, the Primrose air-pressure load-transfer system for single-drive tandem bogies has been redesigned. Instead of an underslung compressed-air cylinder linked to a lug on the balance beam between each tandem pair of springs there is now a simple bellows with 8 in. deflection potential, mounted on each main frame member above one end of each balance beam, as seen here. Known as the Hi-lift, the system counters wheelapin by transferring weight onto the driving axle and it also opposes axle hop. the Hi-lift will be shown by Primrose at Earls Court.