Retractable Gear Prop A/C Typical Sailplane 30 20 Commercial Jets (Subsonic) DC-8 B-52 18 B-747 Military Jets DC-10 16 Gulfstream (L/D)max Retractable Gear Prop A/C F-111 Cardinal 14 Bonanza Lear C-130 F-106 F-86D 12 Fixed Gear Prop A/C F-105 F-5 Skyhawk Cherokee 10 F-4 Cessna 152 F-18 J-3 8 6 F-102 F-100 4 F-104 F4 Transonic Jets 2 0.4 0.8 1.2 1.6 2.0 2.4 Wetted Aspect Ratio, b2/Swet Some Sources: Raymer, Aircraft Design, Stinton-Design of the Modern Aeroplane, Jane’s

10 10 , DOLLARS 10 10 COST - 1000 W 10 VEHICLE 10 10 10 10 10 10 10 10 9 VEHICLE WEIGHTS ARE GROSS 90,000-TON CVA 10 8 8,000-TON FRIGATE 350-TON 400,000-TON TANKER AIRCRAFT , DOLLARS 25-TON FIGHTER AIRCRAFT 10 7 200-TON COASTAL PATROL b 60-TON HYDROFOIL 3 6 Q=1 Q=10 Q=10 10 6 12-TON AIR COST - 1000 W CUSHION VEHICLE WW II BOMBER 60-TON TANK 10 5 VEHICLE WW II FIGHTER 10-TON APC 20-TON HIGH-MOBILITY TRUCK 2-TON PRESTIGE AUTOMOBILE 10 4 5-TON HIGH-MOBILITY TRUCK 2-TON AUTOMOBILE (MASS PRODUCED) 1 -TON AUTOMOBILE (MASS PRODUCED) 10 3 10 10 2 10 3 10 4 10 5 10 6 INSTALLED POWER, hp