Greg Coyler and the T-33 Ace Maker by Aerotech News • March 15, 2018 9:40 am - Updated March 14, 2018 11:11 am Engine: Allison J-33/Rolls Royce Nene 10 Max speed: 505 kts/.80M Length: 37 feet 8 inches Height: 11 feet 8 inches Wing Span: 42 feet 5 inches w/tip tanks Max weight: 16,800 pounds