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Cannon smoke ring

The exhibit presents a lively and interesting way for visitors to understand the phenomenon of atmospheric…

Cannon smoke ring — Basic Science exhibit for science museums
Studio rendering
CategoryBasic Science
TopicMechanics
Standard size1000 x 1000 x 800 mm
SupplySingle unit or batch · OEM to your drawing
Lead timeStandard 4–8 weeks after deposit (confirmed per contract)
Warranty1 year, structure and control
DocumentsSpecification sheet · control diagram · spare-part list

A standard catalogue model: the dimensions, control package and finish are fixed, which is what keeps the price and the lead time predictable. Size, colour and interface language can be adapted without a new design cycle.

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01 / Overview

The exhibit presents a lively and interesting way for visitors to understand the phenomenon of atmospheric circulation through interactive participation.

02 / How visitors use it

The unit is designed for unsupervised public use: controls are recessed or shielded, moving parts are enclosed, and the interface is operable by a child of about six with no instruction. Where a screen is used, the language can be switched without changing the hardware, and the content can be replaced on site.

03 / The science behind it

When smoke particles quickly pass through a circular hole with air, the mixture of air particles flowing out of the hole will pull the stationary surrounding air, forming a vortex that rotates outward and then inward from the edge of the hole, as the air around the hole outlet is stationary.

04 / Built for a public floor

Every unit leaves the factory after a running test: mechanisms cycled, electronics burned in, edges dressed, fixings torqued and marked. Wear parts — bearings, sliders, lamps, belts, touch panels — are modular and listed on the spare-part sheet, so a venue technician can replace them without returning the exhibit. Crating is plywood with foam blocking; the loading plan and packing list travel with the shipment.

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