A 7 1/4 inch gauge, 4 inch scale Quarry Hunslet chassis. The work of an experienced model engineer with many locomotives to his credit, including a "Lilla" in the same gauge, it has been built to a good standard.
Work to date comprises a rolling chassis with flycranks broached and axles machined for keys, eccentric sheaves fitted, machined cylinders complete with valve chests, valves and glands with PTFE packing. There is a pair of expansion links, complete with lifting links, die blocks and spindles.
From here the chassis could be completed to an air-running state with little expenditure other than stock material for connecting, coupling and eccentric rods, and a pair of eccentric strap and crosshead castings, available from Reeves.
|gauge||7 1/4 inch|
|wheel material||cast iron|
|axlebox type||plain bearing|
|cylinder material||cast iron|