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HANS Inventor Robert Hubbard Dies

By Adam Cooper February 6, 2019

Dr Robert Hubbard, the engineer behind the HANS device that has saved many lives in motorsport, passed away on Tuesday.

Hubbard, who was a professor of materials science and mechanics at Michigan State University until his retirement in 2006, conceived the HANS device in collaboration with his brother-in-law and IMSA racer Jim Downing.

Although it took some time for their pioneering work to be accepted in racing, the HANS has subsequently become compulsory equipment in many categories.

Hubbard was closely involved in road safety long before he developed the HANS.

He completed a PhD on the mechanical properties of skull bone while working at the University of Michigan Highway Safety Research Institute, and in the 1970s he worked for General Motors, researching injuries and developing crash test dummies.

The HANS was born when Downing and Hubbard realised that drivers were being killed in racing accidents because their heads were not being restrained, which led to basilar skull fractures.

The loss of Downing's friend Patrick Jacquemart – who crashed his Renault 5 Turbo in testing at Mid-Ohio in 1981 – was the driving force behind their quest for a solution.

Their research was conducted on limited funds, with just a small business grant from the state of Michigan. After some early experiments Hubbard filed a patent in 1985, and then Downing raced with a prototype Model 1 HANS for the first time at the IMSA season finale at Daytona in November 1986.

Hubbard and Downing faced resistance, but they persisted, and gradually honed their invention into something more practical than the bulky original.

Pioneering sled testing conducted with fellow academic engineers at Wayne State university in Detroit helped Hubbard compile research papers that formally demonstrated the value of the HANS.

The first production example was sold in 1991, and as word of its potential spread, General Motors and later Ford contributed to ongoing research.

The deaths of Ayrton Senna and Roland Ratzenberger at the 1994 San Marino GP led to a renewed focus on safety in F1, and interest in the HANS from Professor Sid Watkins and the FIA.

Gerhard Berger tested a version at Ferrari as early as 1995.

Bolstered by extensive testing by Mercedes engineer Hubert Gramling, who abandoned airbag research that he'd been conducting in conjunction with the FIA, the HANS was officially adopted in F1 in 2003.

The HANS had already become compulsory in ChampCar, although at the time there was still some resistance in other forms of US motorsport.

The death of Dale Earnhardt Sr in the 2001 Daytona 500 would change that. The HANS already had a presence in NASCAR following a spate of recent accidents – several drivers were already using one at Daytona – but the loss of the sport's biggest star proved decisive.

Downing would later recall that HANS sales went from 250 since its inception to 250 in one week – and 3000 were sold by the end of that year.

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This story was first published on Motorsport.com. Read the original article here.