Re: Headlight Brightener

[Huw Powell <human@nh.ultranet.com>]

> They also sell a regulated power supply for amplifiers etc, that will always
> provide a given voltage at the terminals, i.e. 13.5 volts, regardless of
> battery voltage (in a given range). Thus 11.1 volts at the battery? 13.5
> volts after the regulated power supply.
> 
> This would be nice to have on the heavy draw headlamps. Remember the
> equation for amperage draw? Total wattage divided by voltage equals amps
> drawn. Thus a setup such as this would not only yield brighter bulbs in a
> given application (while also factoring out voltage fluctuations while the
> lights are on, radiator fans, wipers, etc.) but would also lower the amps
> drawn.

Due to the losses in the power supply it would actually use more
current.  TANSTAAFL

-- 
Huw Powell

http://www.thebook.com/human-speakers/audi-main.htm

"This is the place where death rejoices to teach those who live."

Usually it is written in Latin.