NGG16.com

A Garratt In Miniature

Snifting valves

Work is underway on producing the four snifting valves for the locomotive. These sit on the outside of each cylinder (see “A week of drilling and tapping” post for a photo of their position).

Whether these will end up functional, or just dummies – i’m not sure yet – as room for the pipework is limited. If the functional route is undertaken, these will purely be a pipe outlet, with the clack hidden behind the cylinder. 5 PCD holes to drill in each, remount in lathe with end cap fitted and complete the turning of the end cap (not shown)…

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