Convair YF-102 (53-1785) on the ramp at NACA High-Speed Flight Station, Edwards, California in 1955. This top view shows the plan form of the plane. The airplane was found deficient in performance. The YF-102 Dela Dagger Characteristics are: Wing Span, ft. 38.19 Fuselage length, ft. 52.4 Vertical Tail height, ft. 18.0 Power Plant: Pratt and Whitney J57-P-11 turbojet with afterburner.