Uncrewed Systems Technology 046

Flying-Cam has used 3D printing to develop a tail rotor actuator for its latest UAV (writes Nick Flaherty). The actuator is built using a powder bed fusion (PBF) process with the Windform XT 2.0 carbon fibre-reinforced composite from CRP Technology. This has been used for the Discovery single- rotor uncrewed helicopter, which has a 75 kg MTOW to carry payloads ranging from high-resolution cameras to remote sensing equipment for BVLOS missions. Windform XT 2.0 has an 8% greater tensile strength and 2% greater tensile modulus than the previous-generation material, as well as a 46% increase in elongation at break. Flying-Cam has also worked with CRP Technology on the former’s SARAH 4.0 eVTOL uncrewed system, 3D-printing the airframe structure, air-guide cooling system, tail unit and main battery connection. “The tail rotor actuator is clamped on the tail boom and supports the carbon plate used as a tail rotor ground protection,” said Emmanuel Previnaire, CEO of Flying-Cam. “For this reason, a good stress resistance was needed. “The clamping strength depends on the construction material’s capabilities. We chose Windform XT 2.0 as it allows us to achieve that with a good weight- resistance ratio.” “Using 3D printing and composite materials gave us the ability to create complex wiring channels with strong attachment points, in one piece.” 3D-printed rotor actuator Airborne vehicles The tail rotor actuator is made from a carbon fibre-reinforced composite ENABLING TECHNOLOGY EVERYWHERE Harwin’s connector products are proven to perform in extreme conditions, with shock, vibration and temperature range rigorously tested. Micro connectors start at 1.25mm pitch delivering 2A per contact, up to 8.5mm and 60A - we cover a wide range of applications for when SWaP matters most. With our quality, service, support, and highly reliable products, you can depend on Harwin. harwin.com Scan here for more Connect with confidence Connectors shown actual size Harwin UAV Uncrewed Systems June 22.indd 1 18/05/2022 13:55