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2. Jet engine performance - Wikipedia

   en.wikipedia.org/wiki/Jet_engine_performance

   A low enough Mn where the flame starts (0.2–0.25 EJ200 [97]) and a big enough duct diameter for the burning zone are necessary to keep the loss in total pressure in the afterburner to an acceptably low level. As with the engine combustor the air has to be slowed down from the previous component by starting with a diffuser.

3. Compressor map - Wikipedia

   en.wikipedia.org/wiki/Compressor_map

   Low-speed rear-stage turbining [40] [41] occurs with excessive negative incidence leading to a pressure ratio less than one and the compressor stage absorbing power from the airflow. Two examples where crossing the surge line prevented accelerating to high speed occurred with the first designs of the Rolls-Royce Avon [ 42 ] and the IAE V2500 ...

4. GE Dash 9 Series - Wikipedia

   en.wikipedia.org/wiki/GE_Dash_9_Series

   The Dash 9 Series is a line of diesel locomotives built by GE Transportation. ... This is a 1,000 mm (3 ft 3 + 3 ⁄ 8 in) (meter gauge) version of the C40-9W. It was ...

5. Transonic - Wikipedia

   en.wikipedia.org/wiki/Transonic

   Transonic (or transsonic) flow is air flowing around an object at a speed that generates regions of both subsonic and supersonic airflow around that object. [1] The exact range of speeds depends on the object's critical Mach number, but transonic flow is seen at flight speeds close to the speed of sound (343 m/s at sea level), typically between Mach 0.8 and 1.2.

6. GE Dash 8-40CM - Wikipedia

   en.wikipedia.org/wiki/GE_Dash_8-40CM

   The Dash 8-40CM is powered by a 4,000-horsepower (3,000 kW) 7FDL-16 diesel engine driving a GE GMG187 main alternator.The power generated by the main alternator drives six GE 752AG or 752AH direct current traction motors, each with a gear ratio of 83:20 and connected to 40-inch (1,000 mm) wheels which allow the Dash 8-40CM a maximum speed of 70 mph (110 km/h).

7. Boeing 367-80 - Wikipedia

   en.wikipedia.org/wiki/Boeing_367-80

   Although the design was announced publicly as the Model 707, the prototype was referred to within Boeing simply as the Dash 80 or "-80". The Dash 80 fuselage was wide enough at 132 inches (335 cm) for five-abreast seating; two on one side of the aisle and three on the other. The fuselage diameter for the production KC-135 was widened to 144 ...

8. AOL Mail

   mail.aol.com/?offerId=netscapeconnect-en-us

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

9. Gyrodyne QH-50 DASH - Wikipedia

   en.wikipedia.org/wiki/Gyrodyne_QH-50_DASH

   The Gyrodyne QH-50 DASH (Drone Anti-Submarine Helicopter) is a small drone helicopter built by Gyrodyne Company of America for use as a long-range anti-submarine weapon on ships that would otherwise be too small to operate a full-sized helicopter. It remained in production until 1969.