Page 368 - Making things move_ DIY mechanisms for inventors, hobbyists, and artists

Index 345

mph (miles per hour), velocity joining two materials with screw sizes and tap drill
as, 14 screws and, 54–55 table, 55–56
multimeters, 98–99 nylon, as type of plastic, 43 Skybike, 71
muscle wire, 185–186 Solarbotics DC gearhead
music boxes, 250 motor, 132
O SparkFun sensor, 89
steering systems, 15
N oars on boat, as first class strength, compressive vs.
levers, 6 tensile, 35
nail guns, 64 off-the-shelf battery torque estimation, 75
nails, fastening with, 64 holders, 107 Transducer Techniques
naming schemes, aluminum, 41 Ohm’s law, 103 load cells, 90
needle roller bearings, 194 ohms (Ω), resistance of welding classes, 70
Newton’s second law, 2 load, 101 yield strength of
NiCad (nickel-cadmium) oilite bushings, 195 materials, 34
batteries, 109 Omega Engineering, Rube Open Hardware Summit, 278
nickel-cadmium (NiCad) Goldberg machine, 26 open pulley systems, 11–13
batteries, 109 online references OpenSCAD modeling tool, 261
nickel-metal hydride (NiMH) Arduino guide, 330 operating angle and direction, in
batteries, 108 battery current standard hobby servo
NiMH (nickel-metal hydride) markings, 100 motors, 136
batteries, 108 battery holders, 145 operating speed, in standard
no load, in standard DC breadboards, 150, hobby servo motors, 136
motors, 131 328–329 operating temperature range, in
nonpermanent joints (fasteners) capacitors, 112, 114 standard hobby servo
nails and staples, 64 casting and molding motors, 135
nuts, 63 materials, 272 operating voltage, in standard
overview of, 52–53 centered holes, drilling hobby servo motors, 135
pins, 65 without lathe, 268 oscillating motion, 246–248
retaining rings, 65–66 clutches, 210–211 outer diameter
screws. See screws continuous rotation hobby bearings, 192–193
washers, 63–64 servos, 136 compression springs, 231
normal force (N) converting rotary radial bushings, 195
free body diagrams motion, 238 spur gears, 213
illustrating, 85 converting sheet metal, 40 thrust ball and roller
friction and, 77–78 copyrights and bearings, 196
Not Lazy Susan project patents, 277 outer race/ring, bearings,
box recipe, 281–288 couplers, 204 192–195
electronics recipe, designs, posting to share output (load or resistance)
288–291 or sell, 278 in closed pulley system, 10
integration recipe, hubs, shaft adapters and in first class levers, 3–7
291–293 other components, 207 as lever component, 3
overview of, 280 human energy machines, in second class levers, 7–8
shopping list, 280–281 117–118 in third class levers, 8–9
number of teeth (N), spur gears Inkscape, 215
defined, 212 lathes, 271
even vs. odd, 214 LUMI-SOLAIR, 115 P
gear equations, 214 McMaster-Carr, 37
Make Your Own Gears metals, finding, 38–39 p (circular pitch), spur gears
project, 215–223 plastics, types and defined, 213
overview of, 19 uses, 43 gear equations, 214
nutcrackers, as second class power screws, 18 Make Your Own Gears
levers, 7 QCAD tool, 259 project, 215–223
nuts rotary selenoids, 141 pantographs, 244–246
common types of, 63 Rube Goldberg Breakfast paper, as composite, 46
constructing wood Machine, 27 Park, Eun Jung, 251–252
structures with, 46