They also built a flying saucer: https://en.m.wikipedia.org/wiki/Avro_Canada_VZ-9_Avrocar https://en.m.wikipedia.org/wiki/Avro_Canada_VZ-9_Avrocar I recall he

They also built a flying saucer: https://en.m.wikipedia.org/wiki/Avro_Canada_VZ-9_Avrocar https://en.m.wikipedia.org/wiki/Avro_Canada_VZ-9_Avrocar I recall hearing how the US Air Force was investigating reports of UFO's, and was surprised to find a 'real' one closer to home. Highly unstable more than a few feet off the ground, it never proved viable. Unfortunately nobody at the time realized they might have been onto something if they'd pivoted to inventing the hovercraft.