A typical vintage Lucas "driving light" -- say a SLR576, the kind with a
long pencil beam and a plain glass front lens-- will take a 48W BPF
(British Pre Focus) bulb with an axial filament. The filament is in the
line of travel of the beam. Lucas bulb number 185 (12V).
A Lucas fog light of the period -- say a SFT576, the kind with a flat wide
beam and a fluted glass front lens -- will take a bulb with the same
wattage and base, but the filament will be transverse -- crosswise the the
direction of travel of the beam. Lucas bulb number 323 (12V).
Here's an image to make that clearer (it is kind of confusing).
Driving/pencil beam on the left, fog on the right.
http://4xdog.smugmug.com/photos/i-B4jpFST/0/L/i-B4jpFST-L.jpg
People will sometims mix up the bulbs for the lamp style. They'll still
put out light, of course, but it won't be as well-controlled.
Don
1962 TR3B TSF202L
On Thu, Jul 17, 2014 at 3:58 PM, Alexander Delis <ols@bcdef.net> wrote:
> Anyone know where to get replacement bulbs for my Lucas 545 driving lights?
>
> Moss says they don't have them and don't know when they will
>
> Can't find them anywhere else.
>
> Wouldn't mind getting some higher quality ones ...
>
> Thanks
>
> Alex
>
> 1958 TR3 TS33884LO
> 1968 GT6 KC10303
>
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