Flynnstone macrumors 65816 Sep 3, 2003 #26 Originally posted by Mr. Anderson But the Arrow's speed was only Mach 2.5+, the X-15 was topipng out at 6.7, huge difference. D 😀 Click to expand... But the Arrow went faster downhill 😀
Originally posted by Mr. Anderson But the Arrow's speed was only Mach 2.5+, the X-15 was topipng out at 6.7, huge difference. D 😀 Click to expand... But the Arrow went faster downhill 😀