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Meneses 2 Table of Contents Executive Summary ..................................................................................................................................... 5 Introduction ................................................................................................................................................. 5 The Problem ............................................................................................................................................ 7 The Objective ........................................................................................................................................... 7 Background ............................................................................................................................................ 8 History of Remote Controlled Aircrafts ............................................................................................ 8 Economic ............................................................................................................................................ 9 Union Aero Competition History .................................................................................................... 10 Manufacturability ............................................................................................................................. 11 Ethical ............................................................................................................................................... 12 Health and Safety ............................................................................................................................. 12 Figure 1 Balance Adapter Connection ............................................................................................... 13 Figure 2 Charging Set Up ................................................................................................................. 13 Figure 3 Rear View of Test Bed .......................................................................................................... 14 Sustainability ..................................................................................................................................... 15 Previous Work ....................................................................................................................................... 15 Figure 4 2014 Electric Propulsion Block Diagram .............................................................................. 15 Design Requirements ................................................................................................................................. 17 Determination of Constraints ................................................................................................................ 18 Figure 5 2014 Union College Aero Design Team ................................................................................ 19 Goals for Performance ....................................................................................................................... 19 Table 1 18x8 First Trial Data .............................................................................................................. 20 Table 2 18x8E First Trial Data ............................................................................................................ 21 Figure 6 Dx6i Transmitter and Throttle Joystick ................................................................................ 22 Figure 7 PWM Widths of Control Signal ............................................................................................ 23 Table 4 Width Range of Control Signal .............................................................................................. 24 Figure 8 4000mAh 30C E-­‐Flite Li-­‐Po Battery ...................................................................................... 24 Design Alternatives .................................................................................................................................... 25 Figure 9 GUI of Drive Calculator ........................................................................................................ 25 Component Selection ............................................................................................................................ 26 Figure 10 Last year’s Motor and ESC Combination ............................................................................ 27