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Old 2012-06-14
dtmcnamara dtmcnamara is offline
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Join Date: 2008 Apr
Location: Snellville, GA
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Default Divergence of a laser vs. motorcycle

First I would like to introduce myself. I have been a long time creeper on this form but never really posted anyting, hopefully this will change now.

My names David McNamara, im a engineering student at GA Tech, here in Atlanta, GA, and I love proving facts with math.

Now on to business. I have been doing some research and am a little uncertain how at 1000ft a 3ft radius laser beam can accurately determine if it clocks a motorcycle or a car behind it. I own a Buell Firebolt XB9R with a MAX width of 28 inches on the front fairings. The headlights are dual projectors, almost 2 inches in diameter and right at 10-12inces apart. To me, a 36in wide beam going down a lane with "heavy" traffic could not accurately determine if it was hitting a motorcycle with that small of area or the car behind it.

Please someone enlighten me. I love to learn and this is a case that I am trying to fight as we speak.

PS- I attached a picture of the motorcycle to show the small frontal area
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