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Chewing Grass

Eyeball ripping LED headlights

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2 minutes ago, Chewing Grass said:

Once again the nights are drawing in and headlights are on, not only do we have the flashes of blue spectrum behind that make you think the coppers are in hot pursuit but we have eyball ripping traffic coming the other way.

Had a sponny new Kia Sportage flash me to cross a junction earlier and the fucking thing nearly burnt my eyeballs out.

I know its modern technology but it seems poorly tested, implemented and regulated especially on cheap cars.

I love it when I can see my silhouette on a motorway sign!

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4 minutes ago, MrPin said:

I was brought up on the Lucas "Prince of Darkness" illumination.O.o

I remember that, yellowish flickering lights that actually made little difference if they were on or not.

I always liked the speedos that used to wibble around giving a speed anywhere between 50 and 80 mph and the fuel gauges that showed empty until you tapped them then went to full. Neither was right.

Edited by davidg

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1 minute ago, dgul said:

Yup.  You knew where you were with Lucas.

Actually you didn't! You were stuck somewhere on a heath in Surrey, surrounded by zombies!

3 minutes ago, davidg said:

I remember that, yellowish flickering lights that actually made little difference if they were on or not.

I always liked the speedos that used to wibble around giving a speed anywhere between 50 and 80 mph and the fuel gauges that showed empty until you tapped them then went to full. Neither was right.

I'll bet you are fond of solid rear axles, drum brakes, and cart springs!

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8 minutes ago, davidg said:

I remember that, yellowish flickering lights that actually made little difference if they were on or not.

I always liked the speedos that used to wibble around giving a speed anywhere between 50 and 80 mph and the fuel gauges that showed empty until you tapped them then went to full. Neither was right.

Sounds like the English version of Magnetti Marelli.

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Dangerous and in need of regulation.

If I have those coming at me on a two lane A road I lose sight of the side of the road and so steer closer to the middle and the oncoming car; not to cause an accident or initimidate the other driver but because I don't want to clip the kerb / bank and potentially roll my car.

So it's actually more dangerous for them as well as I am going to be closer to them.

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35 minutes ago, Chewing Grass said:

Once again the nights are drawing in and headlights are on, not only do we have the flashes of blue spectrum behind that make you think the coppers are in hot pursuit but we have eyball ripping traffic coming the other way.

Had a sponny new Kia Sportage flash me to cross a junction earlier and the fucking thing nearly burnt my eyeballs out.

I know its modern technology but it seems poorly tested, implemented and regulated especially on cheap cars.

This is sort of true.  See, vehicle lighting has pretty much always been poorly tested, implemented and regulated.

The regulations pre about 1970 were pretty much 'as good as the manufacturers could do', both in terms of the light output and in terms of beam control for dipped headlights.

Then, a little brighter halogens come along, and actually, using the old rules (watts input, poor beam control) they performed well -- enough extra light and the poor beam control mainly copes.

Then along comes discharge lighting.  These can be much brighter and also allows precise beam control.  The manufacturers (who want to sell expensive stuff) managed to convince the authorities that brighter dipped beam is okay given precise beam control.  Oh, and didn't have to do anything more. The trouble is, UK roads are nice and bouncy, so we end up with high intensity flashes all the time as our eyes cross the (now brighter) dipped beam boundary.  This wouldn't have been so bad if they'd kept the actual maximum light intensity from the halogens, but the manufacturers resisted this as they wouldn't sell the nice expensive option if it was exactly as bright as the cheap option.  Even though there is research about the higher light output being a potential problem (at least some sponsored by the highways agency) this was conveniently ignored.  Worse than this, the fast high intensity flashing is much more debilitating than the old low intensity slow flashing that you'd get with halogens.  There is less research about this, but, surely the right thing to do would have been to have researched it, rather than just guess that 'it would be okay', which is pretty much what happened.

This was nicely coupled with the burgeoning  ageing population, who think that the extra light when driving at night is fantastic.  Yet also moan about all the 'bright lights coming towards them.'  And as lots of this population are wealthy, they went for the discharge option, so there were lots about.

IMO LEDs are better than discharge, but this is completely negated by it being a much more common fitment in many cars, so what used to be an occasional nuisance in the days of discharge is now an everyday occurrence.  Also, they've not needed to research the impact of the LEDs, as they're similar enough to discharge, happily forgetting that they just guessed when they set the discharge standards, and the evidence on the impact of discharge that has emerged since their use in cars.

tldr -- All the standards are set by the manufacturers, and they don't sell more cars based on them being 'about the same as the last one, really'.

 

25 minutes ago, MrPin said:

Actually you didn't! You were stuck somewhere on a heath in Surrey, surrounded by zombies!

Sorry, missed a bit.

You know where you were with Lucas, as long as there was a full moon.

Edited by dgul

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16 minutes ago, WorkingPoor said:

Anyone remember those £3 amber night driving glasses that used to be onsale in petrol stations in the early 90's?

Ima get me a pair

They'll not help if you're youngish, but if you're early stage cataract (which might be normally unnoticeable, so maybe if aged 55+) you might find a significant benefit of using an amber tint.

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1 hour ago, dgul said:

They'll not help if you're youngish, but if you're early stage cataract (which might be normally unnoticeable, so maybe if aged 55+) you might find a significant benefit of using an amber tint.

polarised glasses help a lot, even clear ones, especially in the rain at night.

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1 hour ago, WorkingPoor said:

Anyone remember those £3 amber night driving glasses that used to be onsale in petrol stations in the early 90's?

Ima get me a pair

maxresdefault.thumb.jpg.b78ec46ac3c68de5cd9dfdb46b2050e3.jpg

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LEDs use pulse width modulation to control brightness. That means they give out a distracting pulsing output. It's very noticeable when viewed through the rear view mirror. 

Don't get me started on Audi's ridiculous sweeping indicators. Can we just go back to filament bulbs and amber lenses please?

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2 minutes ago, whitevanman said:

LEDs use pulse width modulation to control brightness. That means they give out a distracting pulsing output. It's very noticeable when viewed through the rear view mirror. 

Don't get me started on Audi's ridiculous sweeping indicators. Can we just go back to filament bulbs and amber lenses please?

Those Audi affairs are the definition of fashion victim imo: the automotive equivalent of deely boppers.   A tried-and-tested system replaced by a novelty that actually performs worse than the traditional solution, like a sort of trafficator Theresa May.  

The only thing worse are those Noughties Passat things, that you cannot see at all.

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2 hours ago, davidg said:

I remember that, yellowish flickering lights that actually made little difference if they were on or not.

I always liked the speedos that used to wibble around giving a speed anywhere between 50 and 80 mph and the fuel gauges that showed empty until you tapped them then went to full. Neither was right.

My spider has an unbaffled tank so the guage can go from half full to empty on a hard corner.

However, the back end is so light, you never drive it less than half full unless you are a big fan of drifting on roundabouts. I normally keep 10 reams of paper in the boot to keep it on the right track

However, for headlights, crossing with the hot hatch thread, you really need a batch of six kc daylighters up front. Though I am sure they used to be called ceebie daylighters? 

 

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9 minutes ago, spunko2010 said:

As a Bmw driver I'd just like to apologise to everyone for blinding them. Other Bmws blind me just the same, if it's any consolation. I hate LEDs on cars. 

It could be worse, you could be an Audi driver. O.o

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7 minutes ago, One percent said:

It could be worse, you could be an Audi driver. O.o

I always thought Audis were driven by people who couldn't afford a BMW but wouldn't lower themselves to drive a VW.

Edited by Chewing Grass
bloody hell that went wrong

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1 minute ago, Chewing Grass said:

I always thought Audis were driven by people who couldn't afford a BMW but wouldn't lower themselves to drive a VW.

Dunno but Audi and drive in the same sentence is an oxymoron. They clearly can't. The car for those who have no driving skills whatsoever. 

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2 hours ago, Frank Hovis said:

Dangerous and in need of regulation.

If I have those coming at me on a two lane A road I lose sight of the side of the road and so steer closer to the middle and the oncoming car; not to cause an accident or initimidate the other driver but because I don't want to clip the kerb / bank and potentially roll my car.

So it's actually more dangerous for them as well as I am going to be closer to them.

Dunno whether this is any use, but something I learnt on a bike forum is to stare slightly away from the lights. You'll still be able to discern movement OK with your rods, and as soon as you've passed you switch back to normal view [film reference anyone?] and the spot of temporary blindness will be off-centre from your vision and you'll be able to see OK. It works, but you have to catch it before it dazzles you.

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