Variable-Nozzle Ducted Fan Provides Fluid Dynamics Lessons

Any student new to the principles of fluid dynamics will be familiar with Bernoulli’s principle and the Venturi effect, where the speed of a liquid or gas increases when the …read more Continue reading Variable-Nozzle Ducted Fan Provides Fluid Dynamics Lessons

Antarctica’s only electric exploration vehicle in the shop for key upgrades

In development for more than a decade, the Monegasque high-performance electric vehicle constructor Venturi was finally set to work in Antarctica at the end of 2021. Now the first and only electric polar exploration vehicle has undergone key upgrades t… Continue reading Antarctica’s only electric exploration vehicle in the shop for key upgrades

Printable Portable Mask Gives You the Numbers on Your Workout

Portable VO2 max measurment mask

We’re currently in the midst of New Year’s Resolutions season, which means an abundance of spanking new treadmills and exercise bikes. And one thing becomes quickly obvious while using those …read more Continue reading Printable Portable Mask Gives You the Numbers on Your Workout

Venturi’s cutting-edge electric polar explorer readies for Antarctica

With a princely heritage and sub-zero ambitions, the all-electric Venturi Antarctica has been slowly evolving for more than a decade, preparing to tackle the extreme weather and terrain of the Antarctic continent. The snow-and-ice-hungry all-terrain mi… Continue reading Venturi’s cutting-edge electric polar explorer readies for Antarctica

A Tubular Fairy Tale You Control with Your Phone

At first glance, this might appear to be a Rube Goldberg machine made of toys. The truth isn’t far off — it’s a remote-control animatronic story machine driven by its spectators and their phones. [Niklas Roy] and a team of volunteers built it in just two weeks for Phaenomenale, a …read more

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Voxan reveals its 367-hp Wattman electric land speed attempt motorcycle

April 2019, what heady days those were, back before the post-modern plague crammed us into our hovels and forced us to take many long, hard looks at ourselves. I remember it being a month of plentiful avocado and bacon toasties, of carefree hand-shakin… Continue reading Voxan reveals its 367-hp Wattman electric land speed attempt motorcycle

A Crash Course In 3D Printed Venturi Pumps

Venturi pumps, commonly referred to as aspirators, are a fantastic way of moving around things which you might not want spinning around inside of a pump, and one of the easiest ways to create a vacuum. According to his research, [Tuval Ben Dosa] believed such a device would be a good way to move corrosive gasses which would normally eat up a blower fan; all he had to do was figure out how to 3D print one to his specifications.

Put simply: if you take a “T” shaped pipe and pass a fluid (such as air or water) through the …read more

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ERRF 18: New Products Make their Debut

While ostensibly the purpose of the recent East Coast RepRap Festival (ERRF) was to celebrate the 3D printing community and culture, it should come as no surprise that more than a few companies decided to use the event as an opportunity to publicly launch new products. Who can blame them? It’s not as if every day you have a captive audience of 3D printing aficionados; you might as well make the best of it.

Many creations were being shown off for the first time at ERRF, and we surely didn’t get a chance to see them all. There was simply …read more

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