A LinkedIn post from Boom Supersonic highlights new progress in its “Build Supersonic” video series, noting that Episode 4 is now available and focuses on engine core development. The post suggests that about 85% of the hardware for the engine core is already on the manufacturing floor, with assembly reportedly underway.
According to the post, the featured engine core is described as a data-gathering platform equipped with custom heat sensors designed to withstand extreme temperatures and accelerate design validation. The company’s LinkedIn messaging links this hardware progress to future thrust delivery for its Superpower and Symphony programs, indicating ongoing advancement toward critical propulsion milestones that could influence timelines, capital needs, and competitive positioning in the emerging supersonic aviation market.