21. Key features of the type include the adoption of a delta wing and a droop-nose. 22. The F4D Skyray was a wide delta wing design with long, sharply swept, rounded wings. 23. The company released drawings for a radically new aircraft, with a delta wing near its tail. 24. He made important contributions to the understanding of flying wings, delta wings and the ground effect. 25. There are four front delta wings , four smaller control surfaces, and four large tail stabilising wings. 26. These extensions allowed an investigation of the aerodynamic effects of the tip shapes of delta wings . 27. Lifting bodies were eventually rejected in favor of a delta wing design for the Space Shuttle. 28. The Mirage 2000 features a low-set thin delta wing with strakes mounted along each air intake. 29. Both North American and Boeing returned new designs with very long fuselages and large delta wings . 30. A lengthened fuselage and larger delta wing provide greater fuel capacity for greater range of some.
