Define unmodded, because in the last racing tournament people were hitting close to 2000mph. But a number of these planes (mine included) used "nudged" parts to achieve impossible designs. They were fast, but there is no way they would work in real life without a hell of a lot more engineering/technological development. So the short answer is, no one's found it yet.
Define unmodded, because in the last racing tournament people were hitting close to 2000mph. But a number of these planes (mine included) used "nudged" parts to achieve impossible designs. They were fast, but there is no way they would work in real life without a hell of a lot more engineering/technological development. So the short answer is, no one's found it yet.