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Halfbakery: The cycloscope

“If you convert your bicycle to become a Cycloscope, folk who see you riding by will be treated to the spectacle of seeing the frantic hare that perpetually pursues the casual tortoise.”

“Is that so Stefan?” his old friend Gustaf exclaimed, eyebrows raised quizzically. – I’d like to see that”. “I’d better explain it all to you then.”

To get started you need a copy of Eadweard Muybridge’s book of photographs “Animals in motion” and make copies of the running hare and the crawling tortoise.

You then need to transfer the sequences unto metal sheets and cut out the individual animal frames with a piercing saw. Once you have cut them out, you space the hares out equally and attach them to the spokes of the rear wheel in a circle just inside the edge of the tyre. You do the same with the tortoise on the front wheel.

The second installation consists of two small strobe lights which are attached to each wheel, and are directed towards the point of contact of the wheel and the road. These are synchronised to flash once as each animal is at the lowest point in its circular travel. This results in the animal being illuminated like a film reel.

Everything is now in place for you to demonstrate your new Cycloscope. Now as you cycle along the flashing strobe will have the effect of creating an animation of both the tortoise and the hare, but forever separated by the fixed space between the front and back wheels.

For really dramatic effect, attach it all to a penny-farthing style bike. The frantically running hare on the tiny rear wheel then pursues the sedately confident tortoise, ambling along on the gently turning large orbit of the front wheel.

For even more fun, chose other animals: eg a giraffe can be seen chasing a leopard, or a small naked man can run after a large pigeon.

— xenzag, Mar 09 2007

via Halfbakery: A Small Naked Man Persuing A Large Pigeon.

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