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French company partners with JetZero to develop hydrogen-powered aircraft

On Wednesday, a French technology startup announced plans to work with JetZero, a clean-aircraft venture to explore the possibility of a hydrogen-powered version of its futuristic design.

The SHZ Advanced Technologies' move is likely to reignite a debate about the possibility of zero-emission flights, six months after Europe’s Airbus halted plans to develop the first hydrogen-powered aircraft in the world.

JetZero, a California-based company, aims to compete with the duopoly that is Airbus and Boeing. It has developed a blended wing-body plane which claims to be able reduce fuel consumption and carbon emissions by half.

JetZero, SHZ and NASA are now planning to collaborate on a NASA-funded research programme in order to develop systems for storing and dispensing liquid hydrogen fuel. This could eliminate all carbon emissions and lead to a JetZero Z4 variant.

Hydrogen is valued for its low carbon emissions and high energy per mass ratio, making it lighter than regular fuel. It also occupies a larger volume and has to be cooled down to -253 degrees Celsius. This makes storage difficult.

JetZero’s blended wing-body features a V shaped fuselage which acts as a wings and reduces air friction, instead of the familiar wings with cylindrical fuselage.

The wider fuselage allows the aircraft to be compatible with liquid hydrogen fuel tanks, without having to sacrifice passenger seating as would a tube and wing airplane.

Airbus announced in February that it would slow down its efforts to produce a regional hydrogen-powered plane, and had dropped the target date of 2030. It blamed a lack supporting infrastructure.

Boeing has been sceptical about the commercial viability and safety of hydrogen-powered aircraft.

Boeing and NASA conducted a research project in the X-48 design, which was based on the concept of a wing-body blend dating back to the 1940s.

JetZero revisits such designs, as the aviation sector struggles to reach a net-zero emission target by 2050.

Airbus claims that it would be overly ambitious to combine such radical changes in the shape of an aircraft with a completely new propulsion system. Instead, they are focusing on hydrogen-based cells within a tubular aircraft configuration.

Eric Schulz, co-founder of SHZ Advanced Technologies and former executive at Rolls-Royce & Airbus, said JetZero will approach the task in phases. The first phase will focus on a conventionally-powered all-wing aircraft. He said that any hydrogen-based version would be in the second step.

The French company claims to have developed hydrogen tanks which save space because they do not need the cylindrical shape of pressurised vessels. They can also fit into the contours of Z4 fuselage's flowing contours.

JetZero's backers, including United Airlines, announced in June that it was on schedule to fly a prototype full-scale of its revolutionary 250-passenger aircraft in 2027. (Reporting and editing by Mark Potter.)

(source: Reuters)