Model Engineer - 4571

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Welcome to Model Engineer Issue 4571
The Stuart Steam Hammer dates back many years but we have a new look at its construction as Ray Griffin adds it to his steam workshop.
Angus French, a young engineer at the start of his career, converted his friend’s mill to CNC - but retained the ability to manually control it (of course!).
Patrick Hendra fears the worst for international politics so prepares his grandfather clock to keep time throughout a nuclear winter.
Pete Targett makes a compact data conversion and logging unit, all to be contained in a ‘Dynobox’.
One of the most popular locomotive kits of recent years has been the GWR 14XX. Some builders had no trouble and others have never got them quite right. John Whale suggests some practical improvements.
Our regular features include a look at the valve gear on the Barclay Well Tanks, the development work of De Glehn and du Bousquet and the making of the valve and valve rod for the Middleton Inverted Vee engine.