SYSTEMS COPY Flashcards
1
Q
ENGINES
A
IO-520-CB
285 hp @ 2700 RPM
2
Q
Oil System
A
- Wet sump, pressure type
- 12 qts capacity.
3
Q
Propellers
A
- Hartzell 3-Blade - PHC-J3YF-2UF
- Constant Speed Full feathering
- Hydraulically actuated
- Gov uses internal pump to supply or drain oil as appropriate to maintain constant speed.
- Prop forces consist of:
1. Mechanical Spring
2. Cylinder Air Charge
3. Counterweights
4. Centrifugal twisting of blades
4
Q
Starter
A
24v Direct Drive
* Do not operate continuously for more than 30 secs.
5
Q
Electrical System
A
- 28v system / 5.5 amps, 2 12v lead acid batteries in series.
- 28v alternators (2) 50-60 amps, separate from System, except tied to Main Batt Bus.
- Two volt regulators, one functioning at a time (controlled through switch on panel.
- ALT OUT light if voltage drops 1.5-2.0v below bus voltage or if over-voltage relay actuated.
6
Q
ALT AIR
A
- Filtered ram air from top air scoops
- If clogged, door automatically opens providing alt air from nacelle.
7
Q
FUEL SYSTEM
A
- Wet wing tip - 200 gals. Total. (8 drains)
- Aux pumps and eng-driven pump, fed from inboard leading edge tanks.
- 3 bladder fuel cells in each wing.
- Fuel pump driven off accessory drive of engine, fuel enters pump at 28-31 psi.
8
Q
Landing Gear/ Brakes
A
- 28v DC split-field, series wound motor, drives gear.
- Air-oil struts on landing gear
- Main tires: 70 psi / Nosewheel tire: 50 psi.
- Left gear strut houses auto safety switch / gear warning horn switch (squat switch).
+ Gear up & throttle below 15” MAP
+ Gear handle in UP position while on ground.
+ Gear up with more than 15 deg flaps
9
Q
FLIGHT CONTROLS
A
- Flaps - electrically driven by motor under cabin floor; trailing edge fowler flaps (single-slotted)
- Flap position transmitter on flap actuator in left wing, forward of rear spar.
- Ailerons - cables routed through bell cranks / pulleys.
- Aileron Trim - on left aileron; push-pull rod attached to jack screw-type actuator.
- Elevator - connected to cables through a torque tube which is connected to a bell crank in tail.
- Elevator Trim - located on left / right elevators; push-pull rods attached to jackscrew actuators.
- Rudder - bell rank attached to bottom of rudder / cables.
- Rudder Trim - actuated by push-pull rods attached to a jack screw-type actuator.
10
Q
Magnetos
A
2 gear driven magnetos. Driven by accessory case of engine. Max drop 175 rpm, max difference 50 rpm.
11
Q
ALT STATIC / DEICE INDICATIONS
A
- No static system drain due to location of plumbing / components
- Instrument air / Deice Boots provided by engine-driven pressure pumps
- Automatic check valves close if one pump fails, 2 air filters per engine.
NOTE: Alt Static lever located on Pilot’s Subpanel
12
Q
Wing Span
Length
Heights
Wheelbase
A
37’ 10”
29’ 10”
9’ 6”
9’ 7”
13
Q
Turning Radius Wingtip Nose wheel Inside Gear Outside Gear
A
31’ 6”
15’ 6”
7’ 11”
17’ 6”
14
Q
INSTRUMENT PRESSURE
Red Button Source Failure Indicators or Normal (Green Arc)
A
Red Button Source Failure Indicators or Normal (Green Arc) 4.3 – 5.9 in Hg
