B12 Rear Light Bulbs.

The bulbs in my rear light (IIRC: 12v 21/5W) seem to blow very
frequently.

I understand this is a common problem due to vibration.

Can anyone recomend a suitable bulb that's more resistant to vibration
or any other practical solution.

 

Have a hunt here:

http://www.superbrightleds.com/1157.htm

 

Ta!

 

Not to mention that the vibes were bad enough to fatigue and snap
soldered connections - I can't see anyhting lasting forever under that
sort of duress.

 

Although IME LED's still suffer in the back of B12's, however they do so
far less frequently.

YMMV.

 

The OP could do well to experiment with rubber/foam mounting the light
unit if there's room.
--
Dave
GS850x2 XS650 SE6a

Teach a man to fish and he and his pikey mates will have the
river cleaned out in a day.

 

I had the same issue with my B12, in the end I sawed off the back of
the light unit and made my own strip light of LEDs and a few
resistors. Problem solved.

MARK

 

I use a red oil lamp nicked from a passing guard's van, gimballed off
the Renntec rack.

 

Let off some of the preload.

 

Do you use Esso Blue in it, though? Might cause a purple light.
--
Dave
GS850x2 XS650 SE6a

Teach a man to fish and he and his pikey mates will have the
river cleaned out in a day.

 

Of course not, you silly boy. That would constitute a hazard to
navigation. I always use recently-rendered bio-oil, distilled from
yokel moleskin squeezings and old chip fat.

#Clear red light ....

 

Using the patented Mavis Beacon "Hunt&Peck" Technique, Pip

#ROOOOOOOOOOOOOOOxanne...

--
Wicked Uncle Nigel - "He's hopeless, but he's honest"

WS* GHPOTHUF#24 APOSTLE#14 DLC#1 COFF#20 BOTAFOT#150 HYPO#0(KoTL) IbW#41
SBS#39 OMF#6 Enfield 500 Curry House Racer "The Basmati Rice Burner",
Honda GL1000K2 (Fallen apart) Kawasaki ZN1300 Voyager "Oh, Oh, It's so big"
Suzuki TS250 "The Africa Single" Honda ST1100 wiv trailer Norton 850 Commando
Kawasaki GTR1400

 

Some rear light units dance about alarmingly, unknown to the owners. I
recall being behind a boxer twin at the lights some time ago and the
rear light unit on that was bouncing around like a demented crossroads
dancer freshly escaped from RiverDance.

Since I was riding a boxer twin myself and was suffering more than the
normal plague of blown rears, I took notice and rubber-mounted my own
unit. Easy done, as you say.
--
Dave
GS850x2 XS650 SE6a

Teach a man to fish and he and his pikey mates will have the
river cleaned out in a day.

 

I didn't know BSA made a B12, is it similar to an A10?

 

Incidentally, semaphore railway signal green spectacle lenses are
actually blue.
http://en.wikipedia.org/wiki/Image:Rail-semaphore-signal-Dave-F.jpg