General Description And Overview Flashcards
What type of aircraft is the C12 W
All metal low wing twin turboprop T tail monoplane with axial flow engine on each wing
Basic mission of UC12 W
Provide time sensitive transportation of passengers and/or light cargo
Wingspan
57 ft 11 in
Length
46 ft 8 in
Height
14 ft 4 in
Engine type
Pratt and Whitney PT6A-60A
Number of drive shafts in each engine
Two.
One compressor or gas turbine shaft
One power turbine shaft
Number and type of compressor stages
4.
3 axial flow and 1 centrifugal
Type of combustion chamber
Annular
What type of stage is the compressor or gas turbine
Single stage axial flow reaction turbine
What type of stage is the power turbine
Two stage axial flow reaction turbine
Engine shaft horsepower rating
1050 shaft horsepower
Compressor (gas generator)shaft rotational speed (N1) limits
104% N1 (takeoff or max continuous or cruise climb or max cruise or transient power)
Propeller rotational speed (N1) limits
1700 RPM (takeoff or max continuous or cruise climb or max cruise or transient power)
Propeller manufacturer
Hartzell propellers
Propeller diameter
105 In
Propeller type
Constant speed and full feathering and reversing and counter weighted and hydraulically actuated
Propeller blade angles at 42 in station
Feathered is 79.3 degrees
Reverse is 14 degrees
Number of blades each motor
4
Cabin width
54 in
Cabin width
54 inches
Cabin length
24 ft 10 in
Cabin height
57 inches
Air stair entrance door width
20.2 in
Air stair entrance door height
46 in
Cargo door width
49 in
Cargo door height
52 in
Pressure vessel
Volume
443 cubic ft
Potential cargo area volume
303 cubic ft
Wing loading per square foot
48.4 pounds per square foot
Power loading per shaft horsepower
7.14 pounds per shaft horsepower
Turning radius for inside gear
4 inches
Turning radius for nose wheel
20‘6“
Turning radius for outside gear
21‘2“
Turning radius for wingtip
41‘7“
