Build Your Own Combat Robot

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IR (infrared) reflective sensor, 243 laser range finding and vision, 301 radio, 179, 180 radio control, 27 RC (radio control), 261 relay-based drive, 140 rocker bogie, 50 traditional radio control, 154 weapons, 203–236 T Tachometers, 67 Tag Team match, 11 Tank treads, 45–47 building for robots, 46–47 Tank-type steering, 25, 48 Tanks, military uses treads in, 45 Target, semiautonomous, 250–253 Target tracking autonomous, 253–256 implementing semiautonomous, 251–252 semiautonomous, 252–253 Team Coolrobots, 44, 191 Television, 2 Tensile strength defined, 198 Testing robots in battle-like conditions, 82 testing, testing, 34 wiring, 154 The Learning Channel (TLC), 316 Thermal consideration for motors, 113–114 runaway, 142 sensors, 246 Thermistors, 246 Throws, poles and, 128–129 Thumper, Bob Gross and, 256 Thwack bots, 217–219 strategy, 218–219 thwack bot design, 217–218 Thwack bots, overhead, 219–220 strategy, 220 thwack mechanism design, 219–220 TIG (tungsten inert gas) welders, 186 TIG welding, 196–197 Tilt sensors, 247–248 Timing belts, 119 centerline distances, 357 determining load-carrying capacities of, 120 Tinning iron, 338 Tire combination, wheel, 53 Tires, 53–54 carefully consider, 53 Tires and wheels, best sources of, 52 Titanium, 189 TLC (The Learning Channel), 316 Tools gaining knowledge in use of shop, 36 garden, 52 larger shop, 37 needed to construct robots, 193–194 safety in use of shop, 37 Torque, 64, 109 Torque and frictional forces, motor, 111 Torque increases, motor speed decreases as motor, 65 Torque wrenches, 200 Toy, building Chew, 306–315 Tracking autonomous target, 253–256 implementing semiautonomous target, 251–252 semiautonomous target, 252–253 semiautonomous target and weapon, 250–253 Tracks, bot experimenters opt for rubber, 46 Traction improvements, 302 Traction on combat floors, 54 Transistors act like simple relays, 141 act like switches, 141 Transmission, 104 Transmission, power, 103–124 Transmitters, RF (radio frequency), 176 Transmitting frequencies, radio systems allow changing, 165 Treads, tank, 45–47 Index 379
380 Build Your Own Combat Robot U Ultrasonic range detectors, 300–301 Ultrasonic Range Finders Devantech SRF04, 243–244 Polaroid 6500, 244 United Kingdom radio frequency bands, 164 V V-belt pulley, 121 V-belts, 121, 357 Vantec Speed Controller, 149–152 Variable speed control basics, 139–155 of motors, 143 Vaughan’s One-Way Rule, 105–106, 191–192, 207 Vendors electronic speed controller, 346–347 remote control system, 347 Ventures, building combat robots not cheap, 36 Vertical spinners, 224–226 strategy, 226 vertical spinner design, 224–226 Victor 883 Speed Controller, 147–149 Victor controllers, IFI Robotics, 147 Vision systems, laser range finding and, 301 Voltage controlling, 140 doubling motor’s, 70 motor operation and, 69 Voltage stability, 87–89 for peak currents, 88–89 Voltmeters, 67 Voltronic, Stephen Felk and, 165–166 Vortex, 8 W Walkers, six-legged hex, 43 Walking robot weight classes, Botbash, 12 Walking, watch persons, 42 Wars, Robot, 9–11, 32 Washers, 199 Wave antenna, 1/4, 173 Weaknesses of materials, 185 Weapon strategy and effectiveness, 204–236 clamp bots, 215–217 crusher bots, 231–233 drum bots, 226–228 hammer bots, 228–231 launchers, 212–214 lifter bots, 210–212 overhead thwack bots, 219–220 ram bots, 205–207 saw bots, 222–224 spear bots, 233–236 spinner bots, 220–222 thwack bots, 217–219 vertical spinners, 224–226 wedge bots, 208–210 Weapon tracking, semiautonomous target and, 250–253 Weapons adding, 324–325 adding to design process, 27 closing remarks on, 236 creating, 311–314 on robots, 3 semi-autonomous, 251 Weapons systems for one’s robots, 203–236 closing remarks on weapons, 236 weapon strategy and effectiveness, 204–236 Web sites official FIRST, 15 robot competition, 344 Wedge bots, 208–210 strategy, 209–210 wedge design, 208–209 Weight classes Botbash walking robot, 12 Botbash wheeled robot, 12 Welded relay contacts, 130 Welders MIG (metal inert gas), 186 TIG (tungsten inert gas), 186 wirefeed, 186 Welding arc, 196–197 MIG, 196–197 TIG, 196–197 wire-feed, 196 Welding, joining, and fastening, 195 Welds, difficult to repair, 196 Wheel assembly with pre-cut slots, 59 Wheel configurations, 50–51
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Build Your Own Combat Robot Pete Mi
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For more information about this boo
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Contents For more information about
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Current Ratings, 129 How It All Wor
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Object Detector, 290 Sensor Integra
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Acknowledgments We would like to th
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Introduction Some kids spend their
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About the Authors xv About the Auth
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2 ELCOME to the world of combat rob
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4 Build Your Own Combat Robot FIGUR
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6 Build Your Own Combat Robot aroun
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16 Build Your Own Combat Robot Robo
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18 Build Your Own Combat Robot In t
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22 S we said in Chapter 1, it’s g
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24 Build Your Own Combat Robot Even
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30 Build Your Own Combat Robot Befo
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32 Build Your Own Combat Robot What
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34 Build Your Own Combat Robot Test
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36 Build Your Own Combat Robot S af
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38 Build Your Own Combat Robot Ther
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42 OVING is what many might call a
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46 Build Your Own Combat Robot Bot
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52 Build Your Own Combat Robot You
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chapter Motor Selection and Perform
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Chapter 4: Motor Selection and Perf
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FIGURE 4-1 Typical motor performanc
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Determining the Motor Constants Cha
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FIGURE 4-2 Heat generated in an ele
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FIGURE 4-4 Motor power changes by d
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Chapter 4: Motor Selection and Perf
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FIGURE 4-7 24-volt, 185 rpm, 896 in
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the robot. If the engine is used to
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80 LECTRICALLY powered competition
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104 NE of the most important consid
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128 F batteries are the source of p
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chapter Remotely Controlling Your R
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FIGURE 8-1 Wiring and rotational po
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FIGURE 8-2 Futaba’s top of-the-li
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Chapter 8: Remotely Controlling You
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FIGURE 8-4 Typical radio frequency
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FIGURE 8-5 Motor with three capacit
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Innovation First Isaac Robot Contro
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FIGURE 8-6 Block diagram of Isaac o
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chapter 9 Robot Material and Constr
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Metals Aluminum Chapter 9: Robot Ma
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Stainless Steel Chapter 9: Robot Ma
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Titanium used to solder small brass
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Chapter 9: Robot Material and Const
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Welding, Joining, and Fastening We
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place, or some liquid may have ente
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vibration and bounce around the ins
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204 ECAUSE robot combat has evolved
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240 HE robots described in the book
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250 Build Your Own Combat Robot One
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chapter 12 Robot Brains Copyright 2
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FIGURE 12-1 From top left to bottom
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Chapter 12: Robot Brains 263 space
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FIGURE 12-2 The BoeBot from Paralla
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Handy Board BotBoard Chapter 12: Ro
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FIGURE 12-5 Robo-Goose, a robotic g
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FIGURE 12-8 A fully autonomous robo
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S ummary Chapter 12: Robot Brains 2
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276 HE referee signals, and my hear
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278 Build Your Own Combat Robot In
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chapter 14 Real-Life Robots: Lesson
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FIGURE 14-1 Chew Toy Chapter 14: Re
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FIGURE 14-2 Chew Toy with protectiv
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FIGURE 14-3 Wheel shown bolted to d
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FIGURE 14-5 Front view with arm dow
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Final Words Chapter 14: Real-Life R
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Chapter 14: Real-Life Robots: Lesso
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design all the parts, and Dave did
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FIGURE 14-12 The 4-inch-tall alumin
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FIGURE 14-15 Internal view of Live
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Page 349 and 350: 330 The Future of Robot Combat The
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Page 375 and 376: 356 OLLOWING are formulas that you
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Page 401: INTERNATIONAL CONTACT INFORMATION A
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