Will Whiteside and team SteadFast have completely modified his Yak-3U. John Parker One could argue that when Will Whiteside set a new speed record— 416 mph for a three-kilometer closed course ...

Will Whiteside’s Yak-3U SteadFast, instrumented to send GPS-based data to a National Aeronautic Association ground station, climbs through 10,000 feet in pursuit of world records. Lyle Jansma ...