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Electronics In Car Entertainment (ICE), Sat-Nav, lighting, wiring etc.

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post #16 of 19 (permalink) Old 23rd November 2007
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My side light bulbs have lasted six and a half years so far (touch wood).

It seems a lot of hassle to me fitting resistors: put the old bulbs back in!
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post #17 of 19 (permalink) Old 27th November 2007
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The change in light wavelength from the LED's provides a better cutting light for driving in the rain over the normal bulbs.

Remember that wattage is a measure of the power drawn / used by the bulb. 1 Amp at 10 Volts is 10 Watts of power consumed. This isn't a measure of the light intensity produced.

LED's can produce a much brighter light in terms of lumin over a traditional bulb for less power drawn.

A LED bulb int he house can draw 25 Watts but produce the same light as a 75Watt bulb
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post #18 of 19 (permalink) Old 27th November 2007
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HI James - very interesting theory - yes you are right LED's of of the right colour temperature (measured in the Kelvin scale) can be seen easier in the dark but do not necessarily project further. Personally I can't see how a low wattage LED's would help a driver see better in the dark - it may help the vehicle be seen when parked as the headlights should be on when driving in the dark. Surely the colour rendering would be just unnoticable by other drivers when the dipped headlights where on.
Your last sentence seems a bit weird when you say - your quote (A LED bulb in the house can draw 25 Watts but produce the same light as a 75Watt bulb). Watts aren't a measurement of current being drawn - it is a measure of energy consumed
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post #19 of 19 (permalink) Old 28th November 2007
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Watts - Power - energy/time
Joule - Energy
Amp - Current = Power/Voltage
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fault , laguna , led , light

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