oops. i forgot to mention that 18 feet assumes stopping from 60 mph (88
ft/s). that is, 88 ft/s X .2 s = 18 ft.

dlk

On Thu, 22 Jan 2004 17:06:48 -0500, Daniel L. Katz <katzd54@YAHOO.COM>
wrote:

>there are plenty of plug-in 12V automotive leds available, which would
>probably be the most efficient and least expensive way to go.
>
>incidently, led brake lights turn on about 0.2 s faster than the standard
>1157 bulb, which theoretically translates into about 18 ft greater
>available stopping distance for following car.
>
>dlk
>