AERO II Flashcards
What is rolling friction
It accounts for the effects of frictionbetween the landing gear and the runway.
The coefficient of friction is dependent on/factors that change landing distance
runway surface, runway condition, tire type, and degree of brake application
Define max AOC
Maximum altitude gained in the shortest distance.
Where is maximum AOC located (on what curve and where on that curve)
On the thrust curve, to the left of L/D max, at the maximum thrust excess.
Define maximum rate of climb
Maximum altitude gained in the shortest amount of time.
Where is maximum ROC located (On what curve and where on that curve)
At L/D Max on the power curve
Factors affecting climb performance, what do they do?
OAT, weight, altitude landing gear, flaps. Increasing/lowering any of these factors will decrease both thrust and power excess, decreasing performance.
What effect does wind have on AOC and ROC
AOC: A headwind increases the airplanes maximum angle of climb, because it reaches the same altitude before with a smaller distance covered, A tailwind has the opposite effect.
ROC: Winds have no effect
Maximum Endurance define and where is it found?
Maximum amount of time that an aircraft can remain in the air. Found to the left of L/D Max.
Maximum Range define and where is it found
The maximum distance traveled over the ground for a given amount of fuel. Found at L/D Max. You want the least amount of drag to travel as far as possible.
How does wind effect maximum range and maximum endurance.
Maximum endurance: No effect.
Maximum range: A tailwind will allow the airplane to go further and a headwind will decrease an airplanes maximum range.
How do you go from maximum endurance to maximum range.
Increase power, decrease AOA, increase velocity.
How do you go from max ROC to Max AOC.
Increase in thrust, AOA, and decrease in velocity.
How does altitude effect maximum endurance and max range?
Max Endurance: burning less fuel to remain airborne so performance increases.
Max Range: Fuel consumed/mile decreases, so an increase in altitude increases maximum range performance.
How does weight affect maximum endurance and maximum range.
Maximum endurance and maximum range decrease because of a higher power setting burning more fuel. Both maximum endurance and max range airspeed.
Max glide range define and found where?
Maximum distance, minimum ange of descent, occurs and min thrust deficit, occurs at L/D Max AOA.
Max glide endurance define and found where?
Maximum time, min rate of descent, min power deficit, occurs to the left of L/D Max AOA.
Best glide in a T-6, best climb, glide ratio?
Glide: 125kts
Climb: 140kts
Glide ratio: 11:1 or 2:1
11,000 feet for every 1000 feet or for simplicity, 2NM for every 1000 feet
How does weight effect glide range and glide endurance.
Glide range: Unaffected by weight, but the airplane will still fly faster and descend faster which will decrease maximum endurance.
Wind affect on glide range and glide endurnace?
Glide endurance, no effect.
Glide range: Headwind decreases max glide range and a tailwind increases max glide range.
Combat ceiling?
500ft/min ROC
Cruise ceiling?
300ft/min ROC
Service ceiling?
100ft/min ROC
Aboslute ceiling
0ft/min ROC
Operational ceiling in T-6B
31,000ft
Region of reverse command
Increase power setting for lower velocity due to an increase in induced drag.
Region of normal command
Increase power to overcome parasite drag and fly at a faster velocity.
What is aerodynamic braking?
Increasing parasite drag on the airplane by holding a constant pitch attitude after touchdown and exposing more of the airplane’s surface to the relative wind.
Decelerating techniques?
Aerodynamic braking, mechanical braking, reverse thrust
Main gear pressure and hydroplaning airspeed for the T-6b
Main gear: 225psi
Hydroplaning speed: 115KIAS
Crosswind limitation for T-6b w/flaps or Taking off?
W/flaps: 10kts
TO: 25kts
How does the T-6B compensate for engine torque
Trim aid devices and the rudder
If you are climbing what kind of P-factor will you have?
Yaw left, correct right rudder because the downgoing blade on the right side creates more thrust.
If you are descending what kind of P-factor will you have?
Yaw right, correct left rudder because the upgoing blade on the left side creates more thrust.
Slipstream swirl does what and how do you corrrect for it
It impacts the left side of your vertical stabilizer, yaw left, use right rudder to correct.
Turn rate vs/ radius
Turn rate: heading change in degrees/sec
Turn radius: Radius of a turn
Turn rate and turn radius are inversely related.
If velocity is increase how will that affect turn rate/radius.
It will increase turn radius and decrease turn rate
How does weight affect turn rate/radius
It will not affect them directly but will inc turn radius and dec turn rate b/c of higher airspeed.
Define a slip
Is caused by opposite or insufficient rudder in the desired direction of turn causing a yawing movement toward the outdie fo the turn. The balance ball is deflected toward the inside.
Define a skid
Caused by using too much ruddder in the desired dirrection of the turn causing a yawing movement to the inside of the turn. The balance ball is deflected toward the outside due to centrifugal force.
