And then there were three…

January 30, 2014 § Leave a comment

Austin-after-mould A visit to the foundry where the original wax of Austin has been moulded and reproduced into 3 green wax casts. originals often come out of the mould somewhat damaged but in typically stalwart fashion Austin came through the whole process remarkably intact. His three offspring are, by comparison, like fragile shells…

Austin-&-3-casts

Each wax cast will have a branch-like network of wax  ‘runners’ and ‘risers’ attached, before being invested (ie. filled and coated) with a thick build up of slurry and grit, which creates a fireproof mould. After the mould has dried the wax is burned out from inside, leaving a hollow void into which the bronze is poured. (The ‘runners’ and ‘risers’ are what allow the air to flow out and the metal to pour in and as these also become filled with bronze, they are then carefully filed off after the thick mould has been removed).3-Green-waxes

It is amazing to think this process has been in use for the last 6,000 years or so. Goodness knows how many horses have been modelled, carved, moulded and smelted during that time. Austin’s turn is next week. Watch this space…

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