Additive Manufacturing Today

Gravity Industries Jet Suit

Based on a recently entered partnership with Gravity Industries, EOS presented components of Gravity's pioneering Jet Suit at formnext.

Gravity was founded in 2017 with the vision of enabling mankind to fly. The suit of patent pending technology is aiming at revolutionizing human transport, enabling unparalleled human flight. It was built using 3D printed parts, specialist electronics and five jet engines. All components are being developed in an agile and interdisciplinary manner. Full of constant innovation, the suit allows for a 1,000 bhp performance and can fly at a speed of more than 70 km/h.

Güngör Kara, Chief Digital Officer (CDO) at EOS stresses: “Richard and his team are pushing the boundaries of what is possible. As a pioneer in industrial 3D printing, we share the same spirit of innovating. For the Jet Suit, Gravity needed high quality parts which offer high part stability and reduced weight as well as enabling constant product iterations and optimization. This is exactly where additive manufacturing comes into play. It offers a true value add as it can inspire companies to change the way they design and manufacture. In this decade, pushing the limits is a necessity for true innovation."

EOS and Gravity are cooperating to continuously optimize the Jet Suit based on design optimizations and subsequent additive manufacturing (AM) of relevant parts. Based on the EOS polymer technology, cable routings, electronics and battery housings were produced using AM. For the arm mounts and thrust control, the EOS metal technology is being used. During the joint project, the team was able to achieve substantial cost reductions and a weight reduction of 10 per cent for the arm mounts by changing from titanium to aluminum material. Design optimizations can be performed very quickly, as such allowing the realization of quick design iterations. Design for AM led to a consolidation from eight to three parts. At the same time, the number of connecting bosses could also be reduced, lowering the risk of failure. Moreover, the new bionic design enables a lightweight connecting structure. All this also allows for a subsequent simplified assembly.

Chief Test Pilot and Founder of Gravity Industries, Richard Browning, states: “When I started to think about inventing the Jet Suit I was inspired by my time with the Royal Marines where pushing ourselves to the limits was a daily routine. For me, innovation comes from courage and from thinking the unthinkable. We are already pushing the boundaries of what is possible today and are creating the future with every day we innovate. AM is substantially supporting us on this exciting journey."

 

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