Cherokee Systems Flashcards
Weights:
1. Gross - ___
2. Empty - ___
3. Useful Load - ___
- 2150 lbs.
- 1290 lbs.
- 945 lbs.
Dimensions:
1. Wing Span - ___
2. Length - ___
3. Dihedral - ___
4. Stabilator - ___
- 30 ft.
- 23.3 ft.
- 7 degrees
- 3 degrees UP & 12 degrees DOWN
Dimensions:
5. Rudder - ___
6. Aileron - ___
7. Flaps - ___
- Pedals, Fin Vertical in line with center of fuselage, 27 degrees (Right/Left)
- 30 degrees UP & 15 degrees DOWN
- First notch 10 degrees, Second notch 25 degrees, Third notch 40 degrees
Engine:
- _____________
- Direct Drive
- Horizontally Opposed
- 4 Cylinders / 4 Strokes
- Sparked Ignition
- Air/Oil Cooled
- Vacuum Pump Driven
- Diaphragm-Type Fuel Pump
- Float Carburetor
Performance:
1. Service Ceiling - ___
2. Absolute Ceiling - ___
3. Top Speed - ___
4. Cruising Speed - ___
- 14,300 ft.
- 16,800 ft.
- 139 kts (142 mph)
- (75% power) 121 kts, 124 mph
Performance:
5. Fuel Consumption - ___
6. Cruising Range - ___
7. Stalling Speed - ___
8. Landing Roll - ___
- (75% power) 9 gallons
- (75% power) 4 hours / 490 miles
- 54 mph
- (Flaps Down) 535 ft.
Four Stroke Engine Cycle:
1. Otto-Cycle - ___
2. Cylinders - ___
3. Pistons - ___
4. Crankshaft - ___
- Nikolaus August Otto
- Where the pistons are fitted
- Acts as a crankshaft through a connecting rod
- Fitted to propeller and converts the piston’s back and forth motions to rotations
Four Stroke Engine Cycle:
5. Intake - ___
6. Compression - ___
7. Power - ___
8. Exhaust - ___
- Fuel/Air
- Fuel/Air
- Fuel/Air ignited by spark plug
- unspent Fuel/Air is released
Four Stroke Engine Cycle:
9. Lycoming O(opposed)-32-E2A - ___
10. Engine Oil - ___
11. Propeller - ___
- 140 HP@2450 RPM / 150 HP@2700 RPM
- 8 quarts (SAE 50/Oil W 100 (ashless dispersant)
- Sensenic M74DM, Fixed-Pitched, Aluminum Alloy,
74 inches (diameter), 60 inches (standard pitch)
Cowling (air cooled)
Fuel:
1. Fuel pumps - ___
2. Rated - ___
3. Wings - ___
4. Mixture - ___
- Engine driven fuel pump / Auxiliary electrical driven fuel pump (critical phases of flight)
- 80/87 RED ||| 100LL/BLUE (uses)
- One bladder in each wing.
Bladder holds 25 gallons (50 gal total) (3 unusable gal in each bladder.
Fuel selector to one bladder at a time. - Pushed in towards instrument panel - ENRICHED
Pushed out - LEANED
Carburetor:
1. Engine - ___
2. Mixture - ___
3. Takeoff / Landing - ___
4. At higher altitudes - ___
- Operates on a strict diet of air and fuel
- Controls manually the proportion of fuel delivered to engine via the carburetor in the correct proportion 15 parts air / 1 part of fuel
- RICH (pushed in toward instrument panel)
- Air is less dense, fuel flow is constant, ratio of fuel to air is changing with altitude, less oxygen blending with constant fuel.
Carburetor:
5. Leaning - ___
- At cruise altitude, must reduce amount of fuel sent to the engine.
Gradually pull back on mixture towards chest until first indicator of engine performance (no rapid movements!).
Once drop in RPM is detected, push back in toward instrument panel until engine’s RPM stabilizes.
Carburetor:
6. Carburetor Heat - ___
- Dumps heat from the engine thru the manifold
- Pushed in toward instrument panel (COLD)
- Pulled out toward chest (heat from engine is being delivered to venture in the carburetor)
Electrical System:
1. Alternator - ___
2. Battery - ___
3. Switches, ___, ___, ___, ___
- 12 volt (35 ampere)
- 12 volt (25 ampere) (60 amp alternator)
- fuses, stall warning lights, circuit, Dual magnetos
Landing Gear (tricycle gear):
1. Nose wheel - ___
2. Main gear - ___
3. Tires - ___
4. Brakes - ___
- 30 degree arc, hydraulic shimmy damper, oleo strut (3.25 inches).
- 2 Cleveland 600x6, oleo strut (4.50 inches)
- 600x6 (four ply with tubes)
- Main gear drums, actuated by toe pedals or hand lever.
Airspeeds:
1. Normal Climb - ___
2. Short field T/O - ___
3. Best glide Vg - ___
4. Vne - ___
5. Vno - ___
1 – 100 mph
2 – 55 to 60 mph
3 – 83 mph
4 – 171 mph
5 – 140 mph
Airspeeds:
1. Va @ 2150 lbs - ___
2. Vs0 - ___
3. Vs - ___
4. Vs1 - ___
5. Vy - ___
6. Vx - ___
1 – 129 mph
2 – 54 mph
3 – 63 mph
4 – 61 mph
5 — 85 mph
6 – 74 mph
Flap Limits:
1. Flaps - ___
1 – Below 115 mph
Max Gross weight - ___
– 2150 lbs.
Oil type - ___
– X/C 20W50
Aircraft Limits:
1. Oil temp - ___
2. Oil pressure - ___
3. Fuel pressure - ___
4. Max positive load - ___
5. Oil capacity - ___
6. Tire pressure - ___
1 – 75 to 245*
2 – 60 to 85 psi
3 – 5 to 8 psi
4 – 3.8 Gs
5 – 6 to 8 quarts
6 – 24 psi
Air to Air Freq - ___
- F/W – 122.750
- R/W – 123.025
- Glider – 123.300 & 123.500
ENGINE FIRE DURING START
- Starter - Crank engine
- Mixture - Idle cutoff
- Throttle - Open
- Electric Fuel pump - Off
- Fuel selector - Off
- Abandon aircraft if fire continues
ENGINE POWER LOSS ON TAKEOFF
- If sufficient runway remains for a normal landing, land straight ahead.
- If insufficient runway remains:
— Maintain safe airspeed, make only shallow turns to avoid obstructions, flaps as required. - If sufficient altitude has been gained to attempt a restart:
1. Airspeed - Maintain
2. Fuel selector - Switch tanks
3. Electric fuel pump - Check on
4. Mixture - Check rich
5. Carburetor heat - On
6. Primer - In and locked - If power is not regained, proceed with power off landing.
ENGINE POWER LOSS IN FLIGHT
- Trim - Best Glide 83 mph
- Fuel selector - Switch tanks
- Electric fuel pump - On
- Mixture - Rich
- Carburetor heat - On
- Engine gauges - Check for indication of power loss
- Primer - In and locked
- If no fuel pressure is indicated, check tank selector position to be sure it is on a tank containing fuel.
- When power is restored
1. Carburetor heat - Off
2. Electric fuel pump - Off
3. Mixture - Adjust - If power is not restored, prepare for power off landing.
- Trim for 83 mph.
POWER OFF LANDING
- Locate suitable field.
- Establish spiral pattern.
- 1000 feet above field at downwind position for normal landing approach.
- When field can easily be reached, slow to 65 mph for shortest landing.
- Touchdowns should normally be made at lowest possible airspeed with full flaps.
- When committed to landing:
1. Ignition - Off
2. Master switch - Off
3. Fuel selector - Off
4. Mixture - Idle cutoff
5. Seat belt and harness - Tight
6. Door - Unlatch
EMERGENCY DESCENT
- Throttle - Off (pull out)
- Flaps - Full (below 115 mph)
- Airspeed - 115 mph
- Forward slip - As required
- If landing off airport, go to power off landing checklist.
FIRE IN FLIGHT
- Source of fire – Check
- Electrical fire (smoke in cabin):
1. Ignition switch - Both
2. Master switch - Off
3. Vents - Open
4. Cabin heat - Off
LAND AS SOON AS PRACTICABLE - Engine Fire:
1. Ignition switch - Off
2. Magnetos - Off
3. Fuel selector - Off
4. Throttle - Closed
5. Mixture - Idle cutoff
6. Electric fuel pump - Off
7. Heater and defroster - Off - Proceed with power off landing procedure.
LOSS OF OIL PRESSURE
- Land as soon as possible and investigate cause.
- Prepare for power off landing.
LOSS OF FUEL PRESSURE
- Electric fuel pump - On
- Fuel selector - Check on full tank
HIGH OIL TEMPERAUTRE
- Land at nearest airport and investigate the problem
- Prepare for a power off landing.
ALTERNATOR FAILURE
- Verify failure, reduce electrical load as much as possible.
1. Alternator circuit breaker - Check
2. Alternator circuit breaker - Pull (for 1 second) then on.
3. If no output - Alt circuit breaker off - Reduce electrical load and land as soon as possible.
SPIN RECOVERY
- Throttle - Idle
- Ailerons - Neutral
- Rudder - Full opposite to direction of rotation.
- Control wheel - Full forward
- Rudder - Neutral when rotation stops
- Control wheel - As required to smoothly regain level flight altitude.
OPEN DOOR
- If both upper and side latches are open, the door will trail slightly open and airspeeds will be reduced slightly.
- Do not attempt to close in flight.
- LAND AS SOON AS PRACTICABLE.
CARBURETOR ICING
- Carburetor heat - On
- Mixture - Adjust for max smoothness
ENGINE ROUGHNESS
- Carburetor heat - On
- If roughness continues after one minute: - Carburetor heat - Off
- Mixture - Adjust for max smoothness
- Electric fuel pump - On
- Fuel selector - Switch tanks
- Engine gauges - Check
- Magneto switch - “L” then “R” then Both
