In a stunning world first, McMurtry Automotive has driven its record-breaking Spéirling hyper track car upside down. Thomas ...

There are few machines out there quite as absurd as the McMurtry Spéirling. This all-electric fan car has spent its entire ...

The McMurtry Speirling "fan car" creates more than 2G of downforce at any speed - which adds performance, but also makes this stunt possible.

Spéirling's success can be attributed to its proprietary 'Downforce-on-Demand' fan system that produces 4,400 pounds of ...

[Engineering After Hours] wanted to build his own RC car that could do the same, driving upside down and generating huge amounts of grip. The build is based on a Traxxas RC car, but heavily ...