Wave Drag Explained — What Happens to Your HPR Rocket at Mach 1
If you have ever looked at the Aerodynamics tab in Project APEX after simulating a fast flight, you have seen it: a sharp rise in the Cd curve somewhere between Mach 0.8 and Mach 1.2, then a gradual fall as speed climbs further. That spike is wave drag, and for any rocket fast enough to […]