PFR - Aerospace Engineering Sciences Senior Design Projects ...

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Project Final Report – CUDBF April 30 th , 2009 ASEN 4028: Aerospace Senior Projects NiMH: Nickel metal hydride PL: Payload PRJ: Project PWM: Pulse Width Modulation RAC: Rated Aircraft Cost RC: Remote Control RECUV: Research and Engineering Center for Unmanned Vehicles RFI: Radio Frequency Interference RPM: Revolutions per Minute SCF: System Complexity Factor SYS: System TO: Takeoff TOG: Takeoff Ground Distance UAS: Unmanned aerial system UIUC: University of Illinois Urbana-Champaign USB: Universal Serial Bus VI: Visual Interface WAAS: Wide Area Augmentation System xii
Project Final Report – CUDBF April 30 th , 2009 ASEN 4028: Aerospace Senior Projects List of Symbols %W m : Weight Distribution Percent (Main Gear) %W n : Weight Distribution Percent (Nose Gear) A/C: Aircraft a: Semi-minor axis (Structures) Amps: Ampere AR: Aspect Ratio b: Semi-major axis (Structures) b: Span (Aerodynamics) C d0 : Coefficient of (Parasitic) Drag C L : Coefficient of Lift c root : Root Chord c tip : Tip Chord D: Drag Force E: Empty (Aerodynamics) e: Oswald Efficiency Factor E: Young’s Modulus f: Flight (Missions) ft: Feet g: Acceleration due to Gravity g: g-loading g: gram (Propulsions) I: Current (Propulsion) i: Imaginary Number in: Inch I zz : Area Moment of Inertia k: Spring Constant ksi: kilo-pounds per Square Inch L: Length of Strut L: Lift Force L: Liter L: Loading (Missions) lb: Pound Force l m : Distance between CG and Main Gear l n : Distance between CG and Nose Gear M: Moment mah: milli-Ampere-Hours mΩ: milli-Ohm n s : Number of Struts oz: Ounce xiii
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