A

acrylic (plexiglass), 54

acrylonitrile butadiene styrene (ABS), 55, 64

adhesives, 91–93

Adult-Size Tank (Najia)

construction and article on, 14–15

frame, 45, 64

levers, 114

materials, 73–74

prototypes, 24–27

specifications, 19, 26, 73

steering system, 45

suspension, 74, 130–31

wheels, 44–45, 74

air horn project, 29–42

conceptualizing/sketching, 29

defining the idea, 29

defining the specifications, 29

fabricating, 32–39

feedback, 29

how air horns work, 30

research, 29–32

testing/refining, 39–42

walkabout to look at materials, 29–32

air manifold, 37–38

air pressure, 204

Altitude Payload Dropper, 206–9

aluminum

6061 T-6, 70–71

about, 50

anodized, 71

foil, 75

ingots made from cans, 64

T-slot extrusion, 61, 66, 69–70, 90

annealed glass, ...

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