View relevant drawings for General Steam Navigation here. This page is still under construction and additional drawings will be added in due course. [Click on drawings for a larger version]
Weight Diagram for 21c11 / 35011
Bulleid's boiler
See here for an explanation of its design
Bulleid's Chain Driven Valve Gear
See here for an explanation of its design
© GSNLRS 2016 - 2025, All Rights Reserved.
Member of the Heritage Railway Association,
Bulleid Pacific Locomotive Association
and Mainline Steam Builders Group
Patron: Dr. Alice Bunn OBE (FIMechE FRAeS CEng)