Dyson figured out how to make a tiny tiny motor, and now it just can’t stop miniaturizing its appliances

Dyson has just announced the PencilWash, a motorized wet floor cleaner that’s about the same size as a regular manual mop. It’s not the first time Dyson has shrunk a traditionally bulky appliance: the PencilWash is a sister product to the Dyson PencilVac FluffyCones, an almost impossibly compact cordless vacuum cleaner.

The downsizing trend began life in a less conspicuous way in Dyson’s hair care department. The brand had already shaken up the hair care market with its original Supersonic hair dryer, but for its professional Supersonic r, it redesigned its inner workings to be far more streamlined and ‘power dense’.

The strange-looking Supersonic r hair dryer was the product to start the trend (Image credit: Future)

Dyson then decided that if it could make a hair dryer that was 1.5 inches / 3.8 cm in diameter, surely it could also make a vacuum that was 1.5 inches / 3.8 cm in diameter. Amazingly, it succeeded: all the internal functions of the PencilVac have been squeezed into a handle that is the same width as the Supersonic r. To make it happen, the brand had to engineer a Hyperdymium 140k motor that is a minimal 1.1 inches / 2.8 cm wide.

The same technology powers PencilWash. And who knows where it will come in next – Dyson is clearly on a shrinking journey and it would be foolish to stop there.

Graphic showing the inner workings of the Dyson PencilVac

Dyson managed to pack all of the PencilVac’s mechanics into its compact handle (Image credit: Dyson)

“We’re keen to make machines smaller and lighter while dramatically improving performance,” says Dyson CTO John Churchill. “PencilWash…brings the simplicity of a broom together with the precision and power of Dyson’s technology.”

Small size; big gain

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