Post on 23-Dec-2015
2-9
What’s in Weight?Lift
Weight
Drag
Thrust
TrimPayload
Fuel
AirplaneOperating
EmptyWeight (OEW)
Reserves
Operating items
Systems
Propulsion
Landing Gear
Body
Wing & Tails
Food, Supplies
Navigate, control and support life
Generate force to move airplane
Support airplane on the ground
Enclose the payload
Provide lift
Paying Passengers and Cargo
The “Model” for CP-1 Propeller Examples in Chapter 6
Cessna 182 Skylane, second most popular general aviation airplane of all time
(first is Cessna 172 Skyhawk)
Typical C182 Performance Data
• Horsepower: 230 • Gross Weight: 2800 lbs • Top Speed: 148 kts • Empty Weight: 1620 lbs • Cruise Speed: 141 kts • Fuel Capacity: 65.00 gal • Stall Speed (dirty): 48 kts • Range: 550 nm • Takeoff Ground Roll: 625 ft Over 50 ft obstacle: 1205 ft • Landing Ground Roll 590 ft Over 50 ft obstacle: 1350 ft • Rate Of Climb: 980 fpm Ceiling: 18,900 ft
C182A Performance
• Horsepower: 230 • Gross Weight: 2650 lbs • Top Speed: 148 kts • Empty Weight: 1620 lbs • Cruise Speed: 141 kts • Fuel Capacity: 55.00 gal • Stall Speed (dirty): 48 kts • Range: 450 nm • Takeoff Ground Roll: 620 ft Over 50 ft obstacle: 1080 ft • Landing Ground Roll 610 ft Over 50 ft obstacle: 1310 ft • Rate Of Climb: 1030 fpm Ceiling: 19,800 ft
The “Model” for CJ-1 Jet Examples in Chapter 6
Typical CJ3 Performance Data
Citation CJ3• Manufacturer: Cessna
Class: Mid SizedSeating: 6Lavatory: enclosed Cabin Dimensions: 4.80 x 4.80 x 15.20 (H-W-L)Storage Capacity: 65 cu ftMax Payload: 5,370 lbTake Off Distance: 3180ftClimb Rate: 4478 fpmCruise Speed: 417 mphMaximum Range: 1875 nmCruise Altitude: 45000 ft
Typical Load Factors
• Acrobatic , -10 to 12 (only a few pilots capable of performing with these loads)
• Fighter Aircraft, -6 to 8• General Aviation, Utility, -1.5 to 4.4• General Aviation, Standard, -1.5 to 3.8• Commercial Transport, -1.5 to 2.5• Heavy Transport, Bombers, -1.0 to 2.0• Helicopters (most not capable of negative load factors)• UAVs (since unmanned, can have much higher load
factors than manned)