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| Author | Subject: HID Flicker.. |
 welshpug!
Capt Pedantic  Location: Bigend, Wales. Registered: 27 Mar 2007 Posts: 25,838 Status: Offline |
Post #51
the different type of bulb is exactly what the issue is in most cases, they project the light in a very different way.________________________________________ need a part number? get on here - http://public.servicebox.peugeot.comBring on the Trumpets. |
 Posted 19th Mar 2010 at 20:09
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cosmic spanner
Moral objector  Location: North London Registered: 11 Oct 2004 Posts: 10,399 Status: Offline |
Post #52
darkgti6 wrote: Finally as for the department of transport thing posted up I think thats a load of tosh to be honest. Tosh in what sense? I don't build or design lights for a living, so you may well take issue with the reasons why they reach their conclusion. But the conclusion remains the same: the Transport Department considers aftermarket HID illegal..  If it's honestly wrong then experts should argue with the government to change their mind and maybe we would all benefit.darkgti6 wrote: The lenses and/or reflectors on all car headlights are computer designed to direct light in a certain way. The HID kits put a different type of bulb in exactly the same place in the headlight unit so I dont see what the problem is! This is an article that I found interesting, and was the first thing that warned me off these HID kits. I found it because he has a good guide on how to aim & adjust your headlights (for MOT etc. purposes): Thinking of converting to HID? quote: Halogen headlamps and HID headlamps require very different optics to produce a safe and effective
________________________________________ Democracy is two wolves and a lamb voting on what to have for lunch....Liberty is a well-armed lamb contesting the vote. Project é - my 306 project thread. |
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Posted 19th Mar 2010 at 20:28
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welshpug!
Capt Pedantic Location: Bigend, Wales. Registered: 27 Mar 2007 Posts: 25,838 Status: Offline |
Post #53
That's precisely why I'm not going to fit HID's to my cars, unless someone can produce a HID lamp that will retro fit into the older lenses.I can't actually recall whether there are any O.E HID headlamps where you can actually see the light source, they have a projector type lens rather than the large open type used with the H4 - H1 or H7 filament type bulb. You can actually get plenty of HID Spot / Flood and FOG lamps though, a very common sight on rallies, the amount of light they chuck out is quite immense, but you wont see shit for a while if you look straight at them, but that's the case for all of them not just HID's. ________________________________________ need a part number? get on here - http://public.servicebox.peugeot.comBring on the Trumpets. |
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Posted 19th Mar 2010 at 20:30
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darkgti6
Seasoned Pro  Location: Bracknell Registered: 07 Jun 2008 Posts: 1,361 Status: Offline |
Post #54
Interesting reading I have to say! I never realised this was such a big issue as I was planning on getting some HIDS at some point.It seems the worst culprits are the projector type headlights where I have to agree the light spread is awful. The Megane in the video has projectors and the Daniel Stern artical is mainly refering to projector style lamps. Ive been in front of someone with HIDS and projectors and I had to dip my rear view mirror. On crystals I really cant see it being much of an issue. ________________________________________ Team Peugeot Sport 308 Gti�Black T'99 Gti - may she rest in peace - written off in a shunt on the A329m |
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Posted 20th Mar 2010 at 00:33
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welshpug!
Capt Pedantic Location: Bigend, Wales. Registered: 27 Mar 2007 Posts: 25,838 Status: Offline |
Post #55
its just as much an issue in crystals as they still are not designed for this type of light source.________________________________________ need a part number? get on here - http://public.servicebox.peugeot.comBring on the Trumpets. |
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Posted 20th Mar 2010 at 00:41
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phillipm
Seasoned Pro  Location: Rotherham Registered: 15 Oct 2006 Posts: 20,607 Status: Offline |
Post #56
You can get them so they're not bad with a bit of selective masking and repainting (at least, I have on my H4 ph1 lights) of the reflectors and the plastic cutoff, but it's a bit of a pain in the arse, it took me ages.________________________________________ - Bespoke rollcages/additions/adjustments. Half cages right up to complete custom spaceframes - MSA/FIA spec, CDS, ROPT, T45, etc - PM meEmail me! Custom-made polybushes available - need an odd size or fitment? - anything from batch work to one-off pieces. |
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Posted 20th Mar 2010 at 00:46
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monty-69
Senior User  Location: Colne Registered: 02 Jul 2006 Posts: 790 Status: Offline |
Post #57
I can't see the point, surely when you struggle to see on a unlit road you just turn your main beam on . |
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Posted 20th Mar 2010 at 00:57
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darkgti6
Seasoned Pro Location: Bracknell Registered: 07 Jun 2008 Posts: 1,361 Status: Offline |
Post #58
welshpug! wrote: its just as much an issue in crystals as they still are not designed for this type of light source. I dissagree, its the projector thats causing the issue. HIDS are certainly much less appropriate for those lenses. Think about a crystal headlamp! All thats different is the amount of light being produced. The light source is in exactly the same place! ________________________________________ Team Peugeot Sport 308 Gti�Black T'99 Gti - may she rest in peace - written off in a shunt on the A329m |
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Posted 20th Mar 2010 at 01:10
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the8valver
Senior User  Location: Essex Registered: 08 Apr 2005 Posts: 930 Status: Offline |
Post #59
monty-69 wrote: I can't see the point, surely when you struggle to see on a unlit road you just turn your main beam on . No good when cars are coming straight at you on the other side though..........  ________________________________________ If I see another six it'll be a fine day!*edit, oh FFS or another Rallye* Au Revoir T848UCH  , gone but never forgotten ! |
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Posted 20th Mar 2010 at 01:16
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darkgti6
Seasoned Pro Location: Bracknell Registered: 07 Jun 2008 Posts: 1,361 Status: Offline |
Post #60
cosmic spanner wrote: You have to look at who's behind HID technology. Bosch and Osram are two of the biggest. No they are not! discharge lamp technology dates back to the early 1900's and it certainly wasnt anything to do with Osram, Bosch or any other large manufacturer for that matter! cosmic spanner wrote: How much money do you think they make from regular halogen bulbs? pennies per car (at manufacturer's rates). No. Its a liscence to print money for them. Practically all the manufacturing equipment is automated and operated by un-skilled workers, the material cost is pennies, they churn out thousands and charge pounds each for them. ________________________________________ Team Peugeot Sport 308 Gti�Black T'99 Gti - may she rest in peace - written off in a shunt on the A329m |
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Posted 20th Mar 2010 at 03:47
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phillipm
Seasoned Pro Location: Rotherham Registered: 15 Oct 2006 Posts: 20,607 Status: Offline |
Post #61
darkgti6 wrote: The light source is in exactly the same place!  The actual arc of light within the bulb is a completely different shape and temperature spectrum, even if physically they're in a similar location. ________________________________________ - Bespoke rollcages/additions/adjustments. Half cages right up to complete custom spaceframes - MSA/FIA spec, CDS, ROPT, T45, etc - PM meEmail me! Custom-made polybushes available - need an odd size or fitment? - anything from batch work to one-off pieces. |
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Posted 20th Mar 2010 at 01:20
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darkgti6
Seasoned Pro Location: Bracknell Registered: 07 Jun 2008 Posts: 1,361 Status: Offline |
Post #62
phillipm wrote: darkgti6 wrote: The light source is in exactly the same place! The actual arc of light within the bulb is a completely different shape and temperature spectrum, even if physically they're in a similar location. Light is light at the end of the day, regardless of what shape the emiter is. The temperature has nothing to do with how its distributed which is what the issue is here. As for the arc in question we are talking fractions of a millimetre which IMO doesnt make the slightest bit of difference. ________________________________________ Team Peugeot Sport 308 Gti�Black T'99 Gti - may she rest in peace - written off in a shunt on the A329m |
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Posted 20th Mar 2010 at 01:31
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darkgti6
Seasoned Pro Location: Bracknell Registered: 07 Jun 2008 Posts: 1,361 Status: Offline |
Post #63
Heres one I made earliertesting :-  and playing with a tesla:-  ________________________________________ Team Peugeot Sport 308 Gti�Black T'99 Gti - may she rest in peace - written off in a shunt on the A329m |
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Posted 20th Mar 2010 at 01:34
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phillipm
Seasoned Pro Location: Rotherham Registered: 15 Oct 2006 Posts: 20,607 Status: Offline |
Post #64
There's a post either on here or drivers somewhere where I ran through it all a few years ago along with the filament shape and outputs.Farked if I can find it in the search function though. ________________________________________ - Bespoke rollcages/additions/adjustments. Half cages right up to complete custom spaceframes - MSA/FIA spec, CDS, ROPT, T45, etc - PM meEmail me! Custom-made polybushes available - need an odd size or fitment? - anything from batch work to one-off pieces. |
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Posted 20th Mar 2010 at 01:38
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darkgti6
Seasoned Pro Location: Bracknell Registered: 07 Jun 2008 Posts: 1,361 Status: Offline |
Post #65
phillipm wrote: There's a post either on here or drivers somewhere where I ran through it all a few years ago along with the filament shape and outputs. Farked if I can find it in the search function though. I just dont buy it Phil.... yes I agree HIDS in projector headlights are a bad idea but I just dont see how it would matter in a crystal headlamp but hey I could be wrong. What we need is someone with crystals and HIDS to look at. On a personal note (and as much as I like playing devils advocate) the only reason I was planning on buying HIDS was because if im getting dazzled by everyone elses HIDS then they can be blinded by mine. And that includes HIDS on factory setups because they are all to bloody bright IMO. ________________________________________ Team Peugeot Sport 308 Gti�Black T'99 Gti - may she rest in peace - written off in a shunt on the A329m |
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Posted 20th Mar 2010 at 01:43
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