Eating headlamps

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Catman

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Since: Jan 06, 2004
Posts: 1112

(Msg. 1) Posted: Tue Dec 04, 2007 8:50 am Post subject: Eating headlamps Archived from groups: uk>rec>motorcycles (more info?)

No, not M. Mangetout but my Sprint ST 1050 That will be 4 since June. Especially interesting when the second one failed in 12 hours on the way to work this morning on the dark and windy crooked mile. Still no-one seemed to mind my full beam. Anyone else having the same problem? -- Catman MIB#14 SKoGA#6 TEAR#4 BOTAFOF#38 Apostle#21 COSOC#3 Tyger, Tyger Burning Bright (Remove rust to reply) 116 Giulietta 3.0l Sprint 1.7 145 2.0 Cloverleaf 156 V6 2.5 S2 Triumph Sprint ST 1050: It's blue, see. www.cuore-sportivo.co.uk >> Stay informed about: Eating headlamps

Steve Parry3

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Since: Dec 26, 2003
Posts: 564

(Msg. 2) Posted: Tue Dec 04, 2007 9:41 am Post subject: Re: Eating headlamps [Login to view extended thread Info.] Archived from groups: per prev. post (more info?)

In news:Rx85j.174120$392.109676@fe09.news.easynews.com, Catman <catman DeleteThis @rustcuore-sportivo.co.uk> wibbled > No, not M. Mangetout but my Sprint ST 1050 > > That will be 4 since June. > > Especially interesting when the second one failed in 12 hours on the > way to work this morning on the dark and windy crooked mile. Still > no-one seemed to mind my full beam. > > Anyone else having the same problem? On the end of the failed filament is it broken clean or is there a small ball of melted metal Broken indicates vibration, ball indicates excess current. -- Steve Parry K1200GT SE & F650 and a 520i SE Touring for comfort .. it's days are numbered www.gwynfryn.co.uk >> Stay informed about: Eating headlamps

Mark Olson

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Since: Jul 18, 2003
Posts: 1653

(Msg. 3) Posted: Tue Dec 04, 2007 9:41 am Post subject: Re: Eating headlamps [Login to view extended thread Info.] Archived from groups: per prev. post (more info?)

Steve Parry wrote: > In news:Rx85j.174120$392.109676@fe09.news.easynews.com, > Catman <catman.DeleteThis@rustcuore-sportivo.co.uk> wibbled >> No, not M. Mangetout but my Sprint ST 1050 >> >> That will be 4 since June. >> >> Especially interesting when the second one failed in 12 hours on the >> way to work this morning on the dark and windy crooked mile. Still >> no-one seemed to mind my full beam. >> >> Anyone else having the same problem? > > On the end of the failed filament is it broken clean or is there a small > ball of melted metal > > Broken indicates vibration, ball indicates excess current. Believe it or not I had multiple halogen bulb failures on a '77 KZ750B1 until I rewired the headlamp circuit. It didn't like being fed too few volts. I had always assumed that running a bulb at a lower voltage would extend its life. Hopefully M. Catman is au fait on bulb handling procedures. -- '01 SV650S '99 EX250-F13 '98 ZG1000-A13 OMF #7 >> Stay informed about: Eating headlamps

External

Since: Feb 01, 2007
Posts: 71

(Msg. 4) Posted: Tue Dec 04, 2007 10:18 am Post subject: Re: Eating headlamps [Login to view extended thread Info.] Archived from groups: per prev. post (more info?)

"Steve Parry" <k100rs_1990removethis.DeleteThis@hotmail.com> wrote in message news:5rkllqF15490rU1@mid.individual.net... > In news:Rx85j.174120$392.109676@fe09.news.easynews.com, > Catman <catman.DeleteThis@rustcuore-sportivo.co.uk> wibbled >> No, not M. Mangetout but my Sprint ST 1050 >> >> That will be 4 since June. >> >> Especially interesting when the second one failed in 12 hours on the >> way to work this morning on the dark and windy crooked mile. Still >> no-one seemed to mind my full beam. >> >> Anyone else having the same problem? > > On the end of the failed filament is it broken clean or is there a small > ball of melted metal > > Broken indicates vibration, ball indicates excess current. > Melted ball end on the filament tails is also the sign for failure when illuminaited or for normal end of life failure. Usually associated with 'facetting' of the filament coils ('sparkly' crystalline facets) which is a good indicator of service life. I wonder what manufacturer produced these lamps. JB >> Stay informed about: Eating headlamps

dave_dot_emers

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Since: Jan 03, 2005
Posts: 276

(Msg. 5) Posted: Tue Dec 04, 2007 10:37 am Post subject: Re: Eating headlamps [Login to view extended thread Info.] Archived from groups: per prev. post (more info?)

"Catman" <catman.RemoveThis@rustcuore-sportivo.co.uk> wrote in message news:Rx85j.174120$392.109676@fe09.news.easynews.com... > No, not M. Mangetout but my Sprint ST 1050 > > That will be 4 since June. > > Especially interesting when the second one failed in 12 hours on the way > to work this morning on the dark and windy crooked mile. Still no-one > seemed to mind my full beam. What brand are the bulbs? > Anyone else having the same problem? Only when I bought some cheap bulbs from the local motor factor. -- Dave ex Motorcycle Maintenance Workshop http://tinyurl.com/4mhaw >> Stay informed about: Eating headlamps

Catman

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Since: Jan 06, 2004
Posts: 1112

(Msg. 6) Posted: Tue Dec 04, 2007 10:50 am Post subject: Re: Eating headlamps [Login to view extended thread Info.] Archived from groups: per prev. post (more info?)

Steve Parry wrote: > In news:Rx85j.174120$392.109676@fe09.news.easynews.com, > Catman <catman.DeleteThis@rustcuore-sportivo.co.uk> wibbled >> No, not M. Mangetout but my Sprint ST 1050 >> >> That will be 4 since June. >> >> Especially interesting when the second one failed in 12 hours on the >> way to work this morning on the dark and windy crooked mile. Still >> no-one seemed to mind my full beam. >> >> Anyone else having the same problem? > > On the end of the failed filament is it broken clean or is there a small > ball of melted metal > > Broken indicates vibration, ball indicates excess current. > Ahh the last two were clean, I'll check these later, when I go shopping. I'm guessing cheap bulbs probably don't help. -- Catman MIB#14 SKoGA#6 TEAR#4 BOTAFOF#38 Apostle#21 COSOC#3 Tyger, Tyger Burning Bright (Remove rust to reply) 116 Giulietta 3.0l Sprint 1.7 145 2.0 Cloverleaf 156 V6 2.5 S2 Triumph Sprint ST 1050: It's blue, see. www.cuore-sportivo.co.uk >> Stay informed about: Eating headlamps

Catman

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Since: Jan 06, 2004
Posts: 1112

(Msg. 7) Posted: Tue Dec 04, 2007 10:51 am Post subject: Re: Eating headlamps [Login to view extended thread Info.] Archived from groups: per prev. post (more info?)

JB wrote: > "Steve Parry" <k100rs_1990removethis RemoveThis @hotmail.com> wrote in message > news:5rkllqF15490rU1@mid.individual.net... >> In news:Rx85j.174120$392.109676@fe09.news.easynews.com, >> Catman <catman RemoveThis @rustcuore-sportivo.co.uk> wibbled >>> No, not M. Mangetout but my Sprint ST 1050 >>> >>> That will be 4 since June. >>> >>> Especially interesting when the second one failed in 12 hours on the >>> way to work this morning on the dark and windy crooked mile. Still >>> no-one seemed to mind my full beam. >>> >>> Anyone else having the same problem? >> On the end of the failed filament is it broken clean or is there a small >> ball of melted metal >> >> Broken indicates vibration, ball indicates excess current. >> > Melted ball end on the filament tails is also the sign for failure when > illuminaited or for normal end of life failure. Usually associated with > 'facetting' of the filament coils ('sparkly' crystalline facets) which is a > good indicator of service life. > I wonder what manufacturer produced these lamps. The 'cheap' one I suspect. -- Catman MIB#14 SKoGA#6 TEAR#4 BOTAFOF#38 Apostle#21 COSOC#3 Tyger, Tyger Burning Bright (Remove rust to reply) 116 Giulietta 3.0l Sprint 1.7 145 2.0 Cloverleaf 156 V6 2.5 S2 Triumph Sprint ST 1050: It's blue, see. www.cuore-sportivo.co.uk >> Stay informed about: Eating headlamps

Catman

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Since: Jan 06, 2004
Posts: 1112

(Msg. 8) Posted: Tue Dec 04, 2007 10:51 am Post subject: Re: Eating headlamps [Login to view extended thread Info.] Archived from groups: per prev. post (more info?)

Dave Emerson wrote: > "Catman" <catman DeleteThis @rustcuore-sportivo.co.uk> wrote in message > news:Rx85j.174120$392.109676@fe09.news.easynews.com... >> No, not M. Mangetout but my Sprint ST 1050 >> >> That will be 4 since June. >> >> Especially interesting when the second one failed in 12 hours on the way >> to work this morning on the dark and windy crooked mile. Still no-one >> seemed to mind my full beam. > > What brand are the bulbs? > Cheap. I'll check when I'm back in the shop. >> Anyone else having the same problem? > > Only when I bought some cheap bulbs from the local motor factor. Nail <> head interface I suspect. -- Catman MIB#14 SKoGA#6 TEAR#4 BOTAFOF#38 Apostle#21 COSOC#3 Tyger, Tyger Burning Bright (Remove rust to reply) 116 Giulietta 3.0l Sprint 1.7 145 2.0 Cloverleaf 156 V6 2.5 S2 Triumph Sprint ST 1050: It's blue, see. www.cuore-sportivo.co.uk >> Stay informed about: Eating headlamps

Catman

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Since: Jan 06, 2004
Posts: 1112

(Msg. 9) Posted: Tue Dec 04, 2007 10:55 am Post subject: Re: Eating headlamps [Login to view extended thread Info.] Archived from groups: per prev. post (more info?)

Mark Olson wrote: > Steve Parry wrote: >> In news:Rx85j.174120$392.109676@fe09.news.easynews.com, >> Catman <catman.DeleteThis@rustcuore-sportivo.co.uk> wibbled >>> No, not M. Mangetout but my Sprint ST 1050 >>> >>> That will be 4 since June. >>> >>> Especially interesting when the second one failed in 12 hours on the >>> way to work this morning on the dark and windy crooked mile. Still >>> no-one seemed to mind my full beam. >>> >>> Anyone else having the same problem? >> >> On the end of the failed filament is it broken clean or is there a >> small ball of melted metal >> >> Broken indicates vibration, ball indicates excess current. > > Believe it or not I had multiple halogen bulb failures on > a '77 KZ750B1 until I rewired the headlamp circuit. It didn't > like being fed too few volts. I had always assumed that > running a bulb at a lower voltage would extend its life. I was wondering about that very issue on the way to work. > Hopefully M. Catman is au fait on bulb handling procedures. > He is. He is also planning an HID upgrade over the festive period. But it's a time thing. -- Catman MIB#14 SKoGA#6 TEAR#4 BOTAFOF#38 Apostle#21 COSOC#3 Tyger, Tyger Burning Bright (Remove rust to reply) 116 Giulietta 3.0l Sprint 1.7 145 2.0 Cloverleaf 156 V6 2.5 S2 Triumph Sprint ST 1050: It's blue, see. www.cuore-sportivo.co.uk >> Stay informed about: Eating headlamps

M.Badger

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Since: Aug 07, 2007
Posts: 23

(Msg. 10) Posted: Tue Dec 04, 2007 10:58 am Post subject: Re: Eating headlamps [Login to view extended thread Info.] Archived from groups: per prev. post (more info?)

Mark Olson wrote: > Steve Parry wrote: >> In news:Rx85j.174120$392.109676@fe09.news.easynews.com, >> Catman <catman.DeleteThis@rustcuore-sportivo.co.uk> wibbled >>> No, not M. Mangetout but my Sprint ST 1050 >>> >>> That will be 4 since June. >>> >>> Especially interesting when the second one failed in 12 hours on the >>> way to work this morning on the dark and windy crooked mile. Still >>> no-one seemed to mind my full beam. >>> >>> Anyone else having the same problem? >> >> On the end of the failed filament is it broken clean or is there a small >> ball of melted metal >> >> Broken indicates vibration, ball indicates excess current. > > Believe it or not I had multiple halogen bulb failures on > a '77 KZ750B1 until I rewired the headlamp circuit. It didn't > like being fed too few volts. I had always assumed that > running a bulb at a lower voltage would extend its life. On normal tungsten lamps it does, but not on halogens. They need to run at their rated voltage/current provide the heat to get them in to their regenerating cycle. Did you notice a clouding on the inside of the quartz?. > > Hopefully M. Catman is au fait on bulb handling procedures. > -- Bandit 650 GHPOTHUF #30 >> Stay informed about: Eating headlamps

External

Since: Feb 01, 2007
Posts: 71

(Msg. 11) Posted: Tue Dec 04, 2007 10:58 am Post subject: Re: Eating headlamps [Login to view extended thread Info.] Archived from groups: per prev. post (more info?)

"Catman" <catman DeleteThis @rustcuore-sportivo.co.uk> wrote in message news:zia5j.191306$I52.20965@fe07.news.easynews.com... > JB wrote: >> "Steve Parry" <k100rs_1990removethis DeleteThis @hotmail.com> wrote in message >> news:5rkllqF15490rU1@mid.individual.net... >>> In news:Rx85j.174120$392.109676@fe09.news.easynews.com, >>> Catman <catman DeleteThis @rustcuore-sportivo.co.uk> wibbled >>>> No, not M. Mangetout but my Sprint ST 1050 >>>> >>>> That will be 4 since June. >>>> >>>> Especially interesting when the second one failed in 12 hours on the >>>> way to work this morning on the dark and windy crooked mile. Still >>>> no-one seemed to mind my full beam. >>>> >>>> Anyone else having the same problem? >>> On the end of the failed filament is it broken clean or is there a small >>> ball of melted metal >>> >>> Broken indicates vibration, ball indicates excess current. >>> >> Melted ball end on the filament tails is also the sign for failure when >> illuminaited or for normal end of life failure. Usually associated with >> 'facetting' of the filament coils ('sparkly' crystalline facets) which is >> a good indicator of service life. >> I wonder what manufacturer produced these lamps. > > The 'cheap' one I suspect. > Stick some Osram Silverstars or Philips Vison Plus in there. You will notice the difference. Accept no substitute. JB >> Stay informed about: Eating headlamps

Mark Olson

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Since: Jul 18, 2003
Posts: 1653

(Msg. 12) Posted: Tue Dec 04, 2007 10:58 am Post subject: Re: Eating headlamps [Login to view extended thread Info.] Archived from groups: per prev. post (more info?)

M.Badger wrote: > Mark Olson wrote: >>Believe it or not I had multiple halogen bulb failures on >>a '77 KZ750B1 until I rewired the headlamp circuit. It didn't >>like being fed too few volts. I had always assumed that >>running a bulb at a lower voltage would extend its life. > On normal tungsten lamps it does, but not on halogens. They need to run at > their rated voltage/current provide the heat to get them in to their > regenerating cycle. Did you notice a clouding on the inside of the quartz?. So I came to understand after edumacating myself a bit. However, that did not explain how autos implementing Daytime Running Lamps by running their headlamps at partial power avoid this problem. I assume they use PWM to control the power, but the pulse rate is almost certainly too fast for the filaments to warm up completely each cycle. So, how do they avoid dramatically shortening the H4 bulbs' life, given that the typical GM DRL implementation is main beams at <mumble> percent power? -- '01 SV650SK1 '99 EX250-F13 '98 ZG1000-A13 OMF #7 >> Stay informed about: Eating headlamps

Nidge

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Since: Oct 26, 2004
Posts: 234

(Msg. 13) Posted: Tue Dec 04, 2007 10:58 am Post subject: Re: Eating headlamps [Login to view extended thread Info.] Archived from groups: per prev. post (more info?)

Pip sed: >I only use the Osram Silverstars now, having found >that they punch out the same sort of light as a >100W bulb, with less scatter and while remaining >legal and ........ 'Kin ace - that's just sorted the perennial problem of what to get for SWMBO's tree present. She's been mumbling since the start of winter that her VFR's lights are a bit dull. -- Nidge UKRM's answer to Compo(C)Cane -- Message posted using http://www.talkaboutmotorcycles.com/group/uk.rec.motorcycles/ More information at http://www.talkaboutmotorcycles.com/faq.html >> Stay informed about: Eating headlamps

Catman

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Since: Jan 06, 2004
Posts: 1112

(Msg. 14) Posted: Tue Dec 04, 2007 10:58 am Post subject: Re: Eating headlamps [Login to view extended thread Info.] Archived from groups: per prev. post (more info?)

JB wrote: > "Catman" <catman RemoveThis @rustcuore-sportivo.co.uk> wrote in message > news:zia5j.191306$I52.20965@fe07.news.easynews.com... >> JB wrote: >>> "Steve Parry" <k100rs_1990removethis RemoveThis @hotmail.com> wrote in message >>> news:5rkllqF15490rU1@mid.individual.net... >>>> In news:Rx85j.174120$392.109676@fe09.news.easynews.com, >>>> Catman <catman RemoveThis @rustcuore-sportivo.co.uk> wibbled >>>>> No, not M. Mangetout but my Sprint ST 1050 >>>>> >>>>> That will be 4 since June. >>>>> >>>>> Especially interesting when the second one failed in 12 hours on the >>>>> way to work this morning on the dark and windy crooked mile. Still >>>>> no-one seemed to mind my full beam. >>>>> >>>>> Anyone else having the same problem? >>>> On the end of the failed filament is it broken clean or is there a small >>>> ball of melted metal >>>> >>>> Broken indicates vibration, ball indicates excess current. >>>> >>> Melted ball end on the filament tails is also the sign for failure when >>> illuminaited or for normal end of life failure. Usually associated with >>> 'facetting' of the filament coils ('sparkly' crystalline facets) which is >>> a good indicator of service life. >>> I wonder what manufacturer produced these lamps. >> The 'cheap' one I suspect. >> > Stick some Osram Silverstars or Philips Vison Plus in there. You will > notice the difference. > Accept no substitute. > Trying them now. -- Catman MIB#14 SKoGA#6 TEAR#4 BOTAFOF#38 Apostle#21 COSOC#3 Tyger, Tyger Burning Bright (Remove rust to reply) 116 Giulietta 3.0l Sprint 1.7 145 2.0 Cloverleaf 156 V6 2.5 S2 Triumph Sprint ST 1050: It's blue, see. www.cuore-sportivo.co.uk >> Stay informed about: Eating headlamps

Lozzo

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Since: Jul 03, 2003
Posts: 1309

(Msg. 15) Posted: Tue Dec 04, 2007 10:58 am Post subject: Re: Eating headlamps [Login to view extended thread Info.] Archived from groups: per prev. post (more info?)

Nidge says... > Pip sed: > > >I only use the Osram Silverstars now, having found >that they punch out > the same sort of light as a >100W bulb, with less scatter and while > remaining >legal and ........ > > 'Kin ace - that's just sorted the perennial problem of what to get for > SWMBO's tree present. She's been mumbling since the start of winter that > her VFR's lights are a bit dull. Do us a favour, cut the high beam terminals off them first. It's bad enough having one bike in the area ready to melt my retinas. -- Lozzo Triumph Daytona 955i SE Suzuki SV650 K3 Honda CBR600 F-W Yamaha SR250 SpazzTrakka Suzuki GSX-R750L >> Stay informed about: Eating headlamps

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