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Slides from my session on guitar physics at Barcamp London 8.
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From
to
The Physics of the
Electric Guitar
@dylanbeattie
A Note on String TheoryA Note on String TheoryBOTTOM STRING
(nearest your chin)
TOP STRING(nearest your
toes)
TWANG.TWANG.(also know as “simple harmonic motion”)
WHY IT SOUNDS NICE.WHY IT SOUNDS NICE.(also know as “upper harmonics”)
TUNING 1: TensionTUNING 1: Tension
TUNING 2: Scale LengthTUNING 2: Scale Length
0.9438743126816982...0.9438743126816982...
Temper, TemperTemper, Temper
http://www.truetemperament.com/
TUNING 3: String GaugeTUNING 3: String Gauge
0.048” 0.038” 0.028” 0.018” 0.014” 0.011”
Regular Electric Guitar
Four-String Bass Guitar
0.105” 0.085” 0.065” 0.045”
Fleming’s Right Hand RuleFleming’s Right Hand Rule
Fleming’s Left Hand RuleFleming’s Left Hand Rule
Van Halen Just Plain Van Halen Just Plain RULESRULES
Vibrations and Coils and Vibrations and Coils and Magnets, Oh My!Magnets, Oh My!
It Goes Up To ElevenIt Goes Up To Eleven
The Power ChordThe Power Chord
(aka “non-linear harmonic transforms”)
http://images.mix.com.au/2010/07/27/436366/Angus-Young.jpg
The BendThe Bend
http://www.thefrontloader.com/2009/02/11/gratuitous-guitar-face-76/
See Also: The Whammy See Also: The Whammy BarBar
http://commons.wikimedia.org/wiki/File:Floyd_rose_principle.png
The Dive-Bomb The Dive-Bomb
http://www.flickr.com/photos/43908441@N00/119125211/
The Bad Horsie WailThe Bad Horsie Wail
http://www.flickr.com/photos/43908441@N00/119125211/
http://www.last.fm/music/The+Edge/+images/520607
The Big Finish.The Big Finish.