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X-15 attached to its B-52 mother ship with a T-38 flying nearby. The X-15 had a thick wedge tail to enable it to fly in a steady manner at hypersonic speeds. [16] This produced a significant amount of base drag at lower speeds; [16] the blunt end at the rear of the X-15 could produce as much drag as an entire F-104 Starfighter. [16]
The external tanks were jettisoned 67.4 seconds after launch at a speed of Mach 2.0 and 70,000 feet. The total engine burn time during the flight was 141.4 seconds. After Flight 188, 11 more X-15 flights were made before the program was retired. The X-15 program data was used in the planning of future aircraft and spacecraft designs.
The GM W Platform was phased out with the production of the new long-wheelbase Epsilon II platform. The last car produced on the W platform was the ninth generation of the Chevrolet Impala, which was replaced by the Epsilon-based tenth-generation Impala, beginning in model year 2014. GM continued to produce the W-body Impala to fleet customers ...
The Chevrolet (S-10) Blazer and its badge engineered GMC (S-15) Jimmy counterpart are compact/mid-size SUVs manufactured and marketed by Chevrolet and GMC from the 1983 through 2005 model years, over two generations – until the early 1990s alongside these brands' full-size SUVs with near identical nameplates, but lacking removable hardtops.
A 1965 Wittman W-8 W-8 Tailwind The W-8 (initial version) updated to a new designation, the W-10. Overton Tailwind — One example built with a 25 ft constant taper wing with wood spar, foam and composite skin construction. [7] W-9 Tailwind The W-9L was introduced in 1958 with a constant-speed propeller, 35 gallon fuel tank, and a tricycle ...
Prior to 1964, tires were all made to a 90% aspect ratio. Tire size was specified as the tire width in inches and the diameter in inches – for example, 6.50-15. [24] From 1965 to the early 1970s, tires were made to an 80% aspect ratio. Tire size was again specified by width in inches and diameter in inches.
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In this case dim X = n. For X a manifold, this coincides with the dimension mentioned above. If no such integer n exists, then the dimension of X is said to be infinite, and one writes dim X = ∞. Moreover, X has dimension −1, i.e. dim X = −1 if and only if X is empty.