The Shed

ADVERTISING ENQUIRIES Matt Smith, 021 510 701 matt.smith@rustymedia.nz OFFICE 09 200 4847 EDITOR Greg Vincent, editor@the-shed.nz SUBEDITOR Karen Alexander TECHNICAL EDITOR Jude Woodside PROOFREADER Sarah Beresford DESIGN Mark Gibson CONTRIBUTORS Mur

What’s happening online at the-shed.nz? Every week, we upload new content onto The Shed website to add to the hundreds of articles and videos already on the site for readers to discover, learn from, and enjoy. Some uploads of the past few months incl

www.repaircafeaotearoa.co.nz/ • The work carried out in the Repair Café is performed free of charge on a voluntary basis by the repair experts at hand. • Visitors carry out the repairs themselves whenever possible, but repair experts on site can help

A bicycle chain has rollers that rotate around pins that are an interference fit in the chain’s side plates, which have two holes punched in them. The idea is that the rollers roll over the teeth of a sprocket, rather than sliding along them, greatly

Gypsum is a soft, naturally occuring mineral: hydrous calcium sulphate. When it is heated, most of the water is driven off. The entire process of mining and refining gypsum takes about one third of the energy needed to make cement, so it’s usually pr

Cement is a complex mixture whose formula varies with each manufacturer, but the magic ingredient is tricalcium silicate. Cement doesn’t dry; it cures. The water in the mix doesn’t go away; a chemical reaction converts the water and tricalcium silica

Lime made by heating limestone (calcium carbonate), driving off carbon dioxide gas, and leaving calcium oxide, or quicklime, which is pretty nasty stuff. Quicklime is slaked with water, which converts it to hydrated lime (calcium hydroxide), which is

When the shed was moved to its present site, a new door was installed to the road frontage, which was also reclad. Inside, the 12x1-inch kauri ceiling lining and the mortise and tenon framing are all original. There are some remaining patches of conc

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