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> I can hear your generator belt squeeling from here. :=} > If they're 65/55Watt, that's not a lot over standard - shouldn't need an alternator, (yet!). By designing a filament to operate hotter, the light output can be increased considerably without the power being much greater- much more light for a bit more energy. (Think about it, an electric fire doesn't give much light, but it gives plenty of heat). The gas filling prevents the filament evaporating rapidly and failing. Best of both worlds really. Dave. UK VW Type 3 & 4 Club http://www.hallvw.clara.co.uk/ ------ ------------------------------------------------------------------- Too much? Digest! mailto:type3-d-request@vwtype3.org Subj=subscribe