specific excess power


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specific excess power

specific excess power
specific excess power
Effect of altitude on engine performance at constant airspeed.
specific excess powerclick for a larger image
SFC versus RPM and temperature.
The difference between the power available and the power required for straight and level flight at a reference speed. This is available for climb at a sustained speed.
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Specific excess power values computed from the conventional method in the flight simulator were inputted into the display under the same conditions of thrust, drag, weight and density to verify the accuracy of the airspeed computed by the technique.
Direct specific excess power contours from level acceleration flight test
A simulated light test was also conducted to investigate the feasibility of using the display to generate data for optimal trajectories for the X-30 with the aim of traversing from one specific excess power contour to the other to gain altitude and with no energy losses.
The flight simulation results proved the display to be successful in obtaining direct specific excess power contours from level acceleration light tests and in providing guidance for flights along constant specific excess power contours at low airspeeds.