Schwartzkopff-Eckhardt II bogie

A Schwartzkopff-Eckhardt II bogie (Schwartzkopff-Eckhardt-II-Lenkgestell or Schwartzkopff-Eckhardt-Gestell) is a mechanical device to improve the curve running of steam locomotives.

The Schwartzkopff-Eckhardt II bogie is a further refinement of the Krauss-Helmholtz bogie, whereby two coupled axles and the carrying axle are combined within the bogie. The carrying axle steers the second coupled axle via a long shaft and this also moves the first coupled axle via a Beugniot lever. This bogie is used on the DRG Class 84. Whether DR Class 99.23-24 locomotives were also fitted with this arrangement is not entirely clear.

It was named after the L. Schwartzkopff locomotive factory and its chief engineer, Friedrich Wilhelm Eckhardt.

References

Friedrich Wilhelm Eckhardt: Das Fahrgestell der Dampflokomotiven, Transpress, Berlin 1960
Friedrich Wilhelm Eckhardt: Lokomotivkunde. H. 5. Das Fahrgestell der Dampflokomotiven, Fachbuchverlag Leipzig, 1957

Locomotive running and valve gear

Valve gear types	Allan Baker Bagnall-Price Baguley Bulleid Caprotti Gab Gooch Gresley Hackworth Joy Kuhn slide Lentz Southern Stephenson Walschaerts

Bogie types	AAR type A switcher truck Articulated bogie Bissel truck Blomberg B Grovers bogie Jacobs bogie Krauss-Helmholtz bogie Pony truck Radial steering truck Schwartzkopff-Eckhardt II bogie

Other running gear elements	Adams axle Axlebox Beugniot lever Carrying wheel Coupled wheel Driving wheel Equalising beam Gölsdorf axle Journal box Klien-Lindner axle Leading wheel Luttermöller axle Radial axle Railway tire Trailing wheel Train wheel

Schwartzkopff-Eckhardt II bogie

References

See also