BBC B Computer Model



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Believe it not, that's a real one pound coin sitting on the desktop next to the monitor! It's there to give an idea of scale although many people don't notice it at first glance. I've been interested in model making for many years now, reducing objects in size and sometimes enlarging them can be a very rewarding and challenging pastime.
Of course, anything that is worth doing well takes time and this model was no exception. I forget precisely how long it did take but a few weeks would be near to the truth.
I started on the computer first. I had planned to produce several of the Model B computers as lapel badges and so went about creating a master design from which I could make moulds and then castings of polyester resin with filler powder. The original carving was made from a single piece of Milliput which is a two part epoxy putty. Once it goes hard it can withstand very rough treatment indeed. Finally the casting was painted using Humbrol enamel paints.
The desk was made from balsa wood, the magazine and user guide reduced in size photographically. The spiral binding of the user guide was made by winding thin fuse wire around a cocktail stick and then painting it with white matt enamel.
Last but by no means least, the monitor. This was based on a Microvitec Cub monitor from the eighties always it seems, connected up to BBC B Computers in schools and homes. The body of the monitor was made from thin sheet aluminium and painted regulation beige. The screen surround was again carved from a single piece of Milliput and the clear perspex screen sanded into shape, complete with rounded corners and then polished with a metal polish to remove any scratches. Just inside the monitor, I placed a sheet of white perspex, took a screen shot of a popular game of the time, 'REVS' to be precise and glued this transparency into place on the white pespex. A small pea bulb was inserted through the back of the monitor and connected to a transformer. When plugged into the mains, the screen burst in to life and added so much more realism to the model.
Geoff Crammond wrote this motor racing simulation for the BBC Computer and has now gone on to write Grand Prix 1 and 2 for the PC. His follow up game to Revs however was a very strange 3D strategy game called The Sentinel. This inspired me to create another model based on this game.

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