2026 speed challenge

This is my thread for the 2026 speed challenge. I'll likely be building two planes for it, the Super Duper Sabre design I've been working on optimizing in the background for some time and an as yet nameless design which is intended to run a 90mm fan on 8s, or maybe even 12s. First is the Super...

80mm foamboard Radjet https://forum.flitetest.com/index.php?threads/foamboard-radjet.78500/