{"id":70,"date":"2021-04-12T12:27:31","date_gmt":"2021-04-12T12:27:31","guid":{"rendered":"https:\/\/newsite.dockyardrailway.co.uk\/?page_id=70"},"modified":"2021-04-12T14:34:15","modified_gmt":"2021-04-12T14:34:15","slug":"steam-cranes","status":"publish","type":"page","link":"https:\/\/newsite.dockyardrailway.co.uk\/?page_id=70","title":{"rendered":"Steam Cranes"},"content":{"rendered":"

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Grafton Steam Cranes<\/span><\/p>\n

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The steam cranes supplied to Chatham Dockyard were “Locomotive Yard Cranes”, these were cranes designed to haul wagons around the dockyard railway system as well as lifting goods as required.
The cranes were built by Grafton Cranes Ltd at their Vulcan Works in Bedford, and were delivered to the dockyard in the 1930s and 1940s.
The cranes run on a six wheeled carriage, with a coal fired boiler and were designed to work on a presssure of 100psi.
The 30ft worm-driven jib is driven from the 2-cylinder main engine and is fitted with a single hoist rope, which has a lifting capacity of 5 tons at 24 feet or 3 tons at 30 feet.
There are four ex-dockyard steam cranes on the Historic Dockyard Railway, these are:<\/p>\n