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  • The Electric Helicopter Beginner's Guide v17

    Toshiyasu Morita

  • The Electric Helicopter Beginner's Guide v17 Toshiyasu Morita Mark Pearson Copyright © 2000-2006 Toshiyasu Morita Copyright © 2005-2006 Mark Pearson

  • Table of Contents Preface ..................................................................................................................xiii 1. Things You Should Know ......................................................................................1

    1.1. Helicopters require a SIGNIFICANT TIME COMMITMENT ............................1 1.2. Repairs are expensive ................................................................................1 1.3. Hovering is difficult to learn .........................................................................1 1.4. Airplane experience may not help ................................................................1

    2. Types of R/C Helicopters .......................................................................................2 2.1. Single rotor helicopters with fewer than four channels ...................................2 2.2. Coaxial helicopters with two to four channels ...............................................2 2.3. Multirotor helicopters with four channels ......................................................2 2.4. Four to six channel single rotor ....................................................................2 2.5. Summary of skills .......................................................................................2

    3. First Helicopter Selection Guide .............................................................................4 3.1. Things to consider when selecting your first helicopter ..................................4

    3.1.1. Recommended first heli choices .......................................................5 3.1.2. Recommended second heli choices ..................................................5

    3.2. Clones .......................................................................................................5 3.2.1. Design problems .............................................................................6 3.2.2. Cheap plastic used for critical parts ..................................................6 3.2.3. Low quality electronics .....................................................................6 3.2.4. Nonstandard electronics ..................................................................7 3.2.5. Sloppy tolerances on molded and/or CNC milled parts .......................7

    3.3. Classification of helis used in this guide .......................................................7 3.4. Overview of selected machines ...................................................................7

    3.4.1. Lite Machines Corona ......................................................................8 3.4.2. Ikarus Fixed Pitch Piccolos (Fun or ECO) ..........................................8 3.4.3. Ikarus Collective Pitch Piccolos (CP upgrade/Pro) .............................8 3.4.4. Ikarus ECO Lite ...............................................................................9 3.4.5. Ikarus ECO 8 ..................................................................................9 3.4.6. Ikarus ECO 16 ................................................................................9 3.4.7. Ikarus Viper 70/MS Composit Stinger 3 ........................................... 10 3.4.8. Ikarus Viper 90/MS Composit Stinger 6 ........................................... 10 3.4.9. Feda Skylark/Century Hummingbird/GWS Dragonfly ....................... 10 3.4.10. JR Voyager E .............................................................................. 10 3.4.11. Kyosho Concept EP - discontinued? ............................................. 11 3.4.12. Mikado Logo 10 ........................................................................... 11 3.4.13. Mikado Logo 20 ........................................................................... 11 3.4.14. MS Composit Hornet FP .............................................................. 11 3.4.15. MS Composit Hornet CP .............................................................. 12 3.4.16. MS Composit Hornet II ................................................................. 12 3.4.17. Maxir SE ..................................................................................... 12 3.4.18. Robbe Spirit L-8/Eolo R22 ............................................................ 13 3.4.19. Quick Quick EP 10 ...................................................................... 13 3.4.20. Quick Quick EP 16 ...................................................................... 13 3.4.21. Zoom 400/Shogun 400/Zap 400 ................................................... 13 3.4.22. Align T-Rex 450X ........................................................................ 14 3.4.23. Align T-Rex 450XL HDE/CDE ....................................................... 14 3.4.24. ARK X-400 .................................................................................. 14 3.4.25. Hirobo XRB SR (Sky Robo) .......................................................... 15

    3.5. Summary of helicopter sizes ..................................................................... 15 4. Recommended Configurations ............................................................................. 17

    iv

  • 4.1. Beginner configurations ............................................................................ 17 4.1.1. Corona - brushed configuration ...................................................... 17 4.1.2. Corona - brushless configuration .................................................... 17 4.1.3. FP Piccolo - brushed + Piccoboard ................................................. 17 4.1.4. FP Piccolo - brushed - separates .................................................... 18 4.1.5. FP Piccolo - brushless - separates .................................................. 18 4.1.6. GWS Dragonfly - brushed - separates ............................................. 18

    4.2. Intermediate configurations ....................................................................... 18 4.2.1. CP Piccolo or Pro - brushless - separates ....................................... 18 4.2.2. T-Rex 450XL ................................................................................. 19 4.2.3. Zoom 400 ..................................................................................... 19 4.2.4. Logo 10 - brushless ....................................................................... 19 4.2.5. ECO 8 - brushed ........................................................................... 20 4.2.6. ECO 8 - brushless ......................................................................... 20

    5. Brushless Motor Upgrade Paths ........................................................................... 21 5.1. Corona upgrade paths .............................................................................. 21

    5.1.1. Corona motors usable in an ECO 8 ................................................ 21 5.1.2. Corona motors usable in a Eolo ...................................................... 22 5.1.3. Corona motor usable in a Voyager E .............................................. 22

    5.2. Piccolo upgrade paths .............................................................................. 22 6. Helicopter Parts Selection .................................................................................... 24

    6.1. Control system ......................................................................................... 24 6.1.1. Receiver ....................................................................................... 24 6.1.2. Antenna ........................................................................................ 24 6.1.3. Gyros ........................................................................................... 24 6.1.4. FMA Copilot .................................................................................. 28 6.1.5. Revo mixing .................................................................................. 28

    6.2. Servos ..................................................................................................... 28 6.2.1. Swashplate (cyclic) servos ............................................................. 28 6.2.2. Tail (rudder) servo ......................................................................... 29

    6.3. Batteries and related items ....................................................................... 30 6.3.1. Batteries ....................................................................................... 30 6.3.2. Battery connectors ......................................................................... 32 6.3.3. BEC (battery eliminator circuit) ....................................................... 33 6.3.4. Wire ............................................................................................. 35 6.3.5. LiPo battery monitor ...................................................................... 36 6.3.6. Battery mounting strap ................................................................... 36

    6.4. Motors and related items .......................................................................... 36 6.4.1. Motor ............................................................................................ 36 6.4.2. Pinion ........................................................................................... 44 6.4.3. Motor connectors ........................................................................... 44 6.4.4. Main motor ESC ............................................................................ 44 6.4.5. Tail motor ESC ..................