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Worldtech
Consider an airplane in an accelerated climb. At a given instant in this climb, the specific excess power is 120 ft/s
Aircraft performance
Airplane design
on 14th December 2023 in
Aeronautics.
868
1
0
Worldtech
Consider an airplane flying at 620 mi/h at 35,000 ft. Calculate its energy height.
Aircraft performance
Airplane design
on 14th December 2023 in
Aeronautics.
803
1
0
Worldtech
For a turbojet-powered airplane with the altitude variation of thrust given by Eq. (3.19), show that as the altitude increases, the maximum velocity decreases.
Aircraft performance
Airplane design
on 14th December 2023 in
Aeronautics.
809
1
0
Worldtech
The BD-5J is equipped with plain flaps. The airfoil section at the wing root is anĀ NACA 64-212, and interestingly enough, it has a thicker section at the tip, an NACA 64-218.
Aircraft performance
Airplane design
on 14th December 2023 in
Aeronautics.
822
1
0
Worldtech
For the BD-5J, calculateĀ (a) The maximum value of CL/CD (b) The maximum value of CL^(1/ 2) /CD
Aircraft performance
Airplane design
on 13th December 2023 in
Aeronautics.
766
1
0
Worldtech
The specific fuel consumption for the Teledyne Continental Voyager 200 liquid-cooled reciprocating engine is 0.375 lb/(bhp.h).
Aircraft performance
Airplane design
on 13th December 2023 in
Aeronautics.
362
1
0
Worldtech
The Allison T56 turboprop engine is rated at 4,910 equivalent shaft horsepower at zero velocity at sea level.
Aircraft performance
Airplane design
on 13th December 2023 in
Aeronautics.
363
1
0
Worldtech
The thrust of a turbofan engine decreases as the flight velocity increases. The maximum thrust of the Rolls-Royce RB211 turbofan at zero velocity at sea level is 50,000 lb.
Aircraft performance
Airplane design
on 12th December 2023 in
Aeronautics.
328
1
0
Worldtech
A turbofan engine on a test stand in the laboratory operates continuously at a thrust Level of 60000 lb with a thrust specific fuel consumption of 0.5h^-1 .
Aircraft performance
Airplane design
on 11th December 2023 in
Aeronautics.
338
1
0
Worldtech
Consider the design of turbojet engine intended to produce a thrust of 25,000 lb at a takeoff velocity of 220 ft/s at sea level. At takeoff, the gas velocity at the exit of the engine (relative to the engine) is 1,700 ft/s.
Aircraft performance
Airplane design
on 8th December 2023 in
Aeronautics.
405
1
0
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