Building anything that flies from scratch is an ambitious undertaking, even if it’s ‘just’ radio-controlled. 3D printing the aircraft isn’t that odd these days, but putting a hot jet engine …. Ambition, Thy Name is a 3D Printed Transonic R/C Jet.
Getting said 3D printed airframe up to the transonic speed of Mach 0.8. Or at least, that’s the name [The Mach Initiative] give to their very ambitious aircraft, the video about which is embedded below. The airframe is largely 3D printed from PETG– that’s all the orange bits– but there are carbon fiber rods and an aluminum frame to help take up the strain.
The black section around the motor is printed from PPS-CF– that’s Polyphenylene sulfide with carbon fibre–wrapped in carbon fiber to take the heat. This all builds off a smaller PLA version that’s already flown called Kingfisher, which claimed the title of the first 3D printed jet. That flight is on their YouTube channel, if you’re interested.
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