In article <m4i25250cd3v23h4rslvo3io8dfgo0u2g5 DeleteThis @4ax.com>,
dizzy <dizzy DeleteThis @nospam.invalid> wrote:
> >> Seriously though, wouldn't the fact that they're subject to constant
> >> on/off action cause them to wear out sooner rather than later?
> >
> >No - it seems not. Makes no difference. Remember a mains lamp is
> >switching on and off at 120 times a second in the US.
> But it's not like the filament cools-down much from peak temperature
> during the low-voltage periods...
Indeed. I was just making a sort of point. But there are plenty of
flashing incandescent lamps around. Xmas tree ones for example. Some
traffic signs. Juke boxes and fruit machines. All of which can have a long
service life.
In all my long experience of many different makes of cars I've not had a
problem with turn signal lamps burning out. On my E39, stop lamps seem to
go more than others, for some reason. I've replaced them all, and the
centre one twice. But only one other - a tail light bulb.
--
*The only difference between a rut and a grave is the depth.
Dave Plowman dave DeleteThis @davenoise.co.uk London SW
To e-mail, change noise into sound.
>> Stay informed about: Light bulb kit - 2002 BMW 330i