CM-CL Plot
ETHICS
LABS
Engine-Out
Space
100
The static margin will do this numerically if the center of gravity of an aircraft is moved forward.
What is increase?
100
Moses Mainonides in the 12th century was the founder of the Kabbalism, a Jewish mystic sect specialiaing in gematria that numerical value to Hebrew letters. What was the numerical value of Saddam Hussein?
What is 666?
100
In a linearized dynamical system, this part of the eigenvalue determines the observed oscillation frequency in the response.
What is the imaginary part or omega-dee (radians/second)
100
All pilots know that this is the direction to turn after an engine-failure in a multi-engine aircraft.
What is "ALWAYS TURN INTO THE GOOD ENGINE!!!"
100
After launch towards a GEO position in space, the apogee-boost-motor fires at this point of the orbit in order to bring the orbit's eccentricity close to zero.
What is the apogee?
200
This variable must be held constant when computing the stability derivative that provides the moment due to elevator deflection, Cmde.
What is alpha?
200
This Italian, put under house-arrest for his unconventional views, first observed the moons of Jupiter.
Who is Galileo
200
This part if the eigenvalue of a dynamical system determines the time constant of the envelope of the observed step-response oscillation.
What is the real part or "sigma"?
200
Minimum engine-out control speed, according to the FAA, must be less than 1.2 times this speed when the worst case engine is failed and military power is applied to the remaining engines.
What is stall speed?
200
In a control moment gyro, the spin axis will precess into this axis.
What is the torque axis ?
300
If the center of gravity is moved aft, the lift coefficient, CL, for equilibrium flight at Cm=0 moves in this direction on the CM-CL plot.
What is right?
300
This European, doubting everything, decisively separated the body from the mind in his philosophy called "Dualism."
Who is DesCartes ?
300
The Open-Loop Transfer Function for a SISO control systems is measured by going "from" and "to" this particular part of the block diagram.
What is "from" SUMMER "to" SUMMER
300
If minimum engine-out control speed, Vmca, cannot be obtained "wings-level," then the FAA allows this amount of bank into the failed engine of a multi-engine aircraft.
What is ZERO (NEVER BANK INTO THE FAILED ENGINE!)? 5 degrees into the good engine is allowed
300
A robot arm being extended from the front of a satellite in space away from the ip axis would add this off-diagonal term to the moment of inertia matrix.
What is Jxz ?
400
The "TRIM TRIANGLE" shows the available trim lift coefficients below alpha-stall between the maximum and minimum values of this flight parameter.
What is the center-of-gravity?
400
On this particular date in 1683, Sobieski led the largest cavalry charge in history to defend Vienna, and what was left of Western culture after the religious warfare of that century.
What is September 11?
400
This is the rule-of-thumb relating phase margin of a stable system with dominant 2nd order poles to the damping coefficient of the system.
What is phase margin divided by 100?
400
The pilot knows when the cg is at the maneuver point because this ratio that he senses in the cockpit with the stick goes to zero.
What is stick-force-per-g ?
400
The solution to the Euler equations in space is normally in this coordinate frame?
What are principal axes ?
500
Adjusting the "take-off trim" by setting the incidence angle of the horizontal tail to a negative value for takeoff allows this value to be properly set on the Cm axis of the Cm-CL plot.
What is Cmo ?
500
This Polish monk, who learned math in order to apply astrology to medicine, applied Nicholas of Cusa's ideas to the solar system and on his deathbed dedicated his work to Pope Paul III.
Who is Nicholas Copernicus?
500
This is the part of a control system block diagram where we try to "model" nature using pure abstract mathematics.
What is the "plant."
500
During engine-out for a multi-engine aircraft, lift force from this control surface is balanced by deflecting the aileron.
What is the rudder?
500
The eigenvectors of a moment of inertia matrix provide the direction cosine matrix from this frame into body axes.
What is the DC matrix from principal to body axes?
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