On 11/23/97 10:45 AM so and so Paul Hunt said. (And I quote)
>ROBERT G. HOWARD wrote:
>>
>> These bulbs are rated 200 mA at 7.5 volts.
>> _ If _ W = A * V, then W = 1.5A when .2A * 7.5V
>> The 12v bulbs I removed had markings of 2.2 and 3.0 W.
>> IF my formula for W = AV is correct, then there isn't much difference in
>> current.
>> Someone who knows electric theory is invited to participate in this.
>> Electricity is not my first love, and I'm trying to perfect a hydraulic
>> lightbulb to get away from the stuff entirely.
>> Bob
>
>Standard bulbs are marked 2.2W at 12v, this gives 183mA. But these other
>bulbs
>are rated 200mA at 7.5v, so at a nominal 12v they will draw about 320mA
>i.e. some
>75% more current. Admittedly there may be some positive temperature
>coefficient
>effect that will tend to limit the current increase at higher voltages,
>but I
>would still expect the end result to burn out the rheostat sooner.
>
>PaulH.
>
All this talk about the MGB Dashboard lights reminds me of a Meatloaf
song. I doubt that that happened in an LBC.
Well Somebody had to say it.
Larry Macy
78 Midget
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