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| Re: [GMCnet] LED Headlights [message #274633 is a reply to message #274631] |
Tue, 31 March 2015 08:02   |
Dolph Santorine
Messages: 1236
Registered: April 2011
Location: Wheeling, WV
Karma: -41
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Senior Member |
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The real question is what is the light output -
I recently went to replace some Mercury Vapor lights in out driveway (175 watts) and found that I would be at 135 watts for LED fixtures with the same output. The expected payback on a few hundred dollar fixture had me thinking a fresh $13 bulb was a good value.
We moved into this house about 8 years ago, and the lighting load was nearly 20 kW. Through a combination of turning things off and CFL bulbs, I’ve knocked it down to south of 5, and as the CFL’s fail (they are), moving to LED’s.
It’s interesting knowing that the LED bulb I’m putting in is probably going to operating 20 years from now.
I’ve been doing the same with the coach - but I am adding a shunt and digital ammeter to the coach for the house lights. The running gear is all LED with the exception of the headlights. I think it’s a good use of the 100 amp budget we have from the alternator.
Dolph
DE N8JPC
Wheeling, West Virginia
1977 26’ ex-PalmBeach
1-Ton, Sullybilt Bags, Reaction Arms, 3.70 LSD, Manny Transmission, EV-6010
“The Aluminum and Fiberglass Mistress"
> On Mar 31, 2015, at 8:50 AM, Robert Mueller wrote:
>
> Bob,
>
> What is the high and low beam wattage?
>
> Regards,
> Rob M.
>
> -----Original Message-----
> From: Bob de Kruyff
>
> I decided to upgrade to Sylvania full LED headlights. So far I like them:
>
> http://www.gmcmhphotos.com/photos/march-2015-upgades/p57667-img-2381.html
> http://www.gmcmhphotos.com/photos/march-2015-upgades/p57667-img-2381.html
> --
> Bob
>
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| Re: [GMCnet] LED Headlights [message #274639 is a reply to message #274629] |
Tue, 31 March 2015 08:49 |
Dolph Santorine
Messages: 1236
Registered: April 2011
Location: Wheeling, WV
Karma: -41
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Senior Member |
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Great article, Pete - thanks for sharing.
I just put fixtures with rings around them in my wife’s Mustang - but it’s still the Halogen bulb.
Dolph
> On Mar 31, 2015, at 8:18 AM, Pete Smith wrote:
>
> review here http://www.automobilemag.com/features/news/1410-gear-testing-sylvanias-zevo-led-headlights/
>
> One nice thing.....only 40W on High beam.........
>
> I also like the ones with the LED ring around them......who makes those?
>
>
> Pete
>
>
>
> Les Burt[1
>> wrote on Mon, 30 March 2015 23:32]I'm extremely curious to know how well they perform compared to decent H4 halogens. I've always liked how well
>> a set of Bosch 7" rounds light up the road. Add a set of 55/100w H4 bulbs and it makes nighttime driving enjoyable.
>>
>> Les Burt
>> Montreal
>> '75 Eleganza 26'
>> The EWIP (Eternal Work In Progress)
>>
>>
>>> On Mar 31, 2015, at 12:24 AM, Bob de Kruyff wrote:
>>>
>>> I decided to upgrade to Sylvania full LED headlights. So far I like them:
>>>
>>> http://www.gmcmhphotos.com/photos/march-2015-upgades/p57667-img-2381.html
>>> http://www.gmcmhphotos.com/photos/march-2015-upgades/p57667-img-2381.html
>>> --
>>> Bob de Kruyff
>>> 78 Eleganza
>>> Chandler, AZ
>>> _______________________________________________
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>
>
> --
> Cary, NC
>
> No Coach yet but dicided it will be wet bath.
>
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| Re: [GMCnet] LED Headlights [message #274675 is a reply to message #274633] |
Tue, 31 March 2015 15:55 |
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USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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Senior Member |
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Dolph,
You are correct.
I have Googled Sylvania LED Headlights and Halogen Headlights and I can't find any data that compares the two. Sylvania states that
they are much brighter and the light will extend further in front of the vehicle but there's no DATA!
Regards,
Rob M.
The Pedantic Mechanic
-----Original Message-----
From: Dolph Santorine
The real question is what is the light output -
I recently went to replace some Mercury Vapor lights in out driveway (175 watts) and found that I would be at 135 watts for LED
fixtures with the same output. The expected payback on a few hundred dollar fixture had me thinking a fresh $13 bulb was a good
value.
We moved into this house about 8 years ago, and the lighting load was nearly 20 kW. Through a combination of turning things off and
CFL bulbs, I've knocked it down to south of 5, and as the CFL's fail (they are), moving to LED's.
It's interesting knowing that the LED bulb I'm putting in is probably going to operating 20 years from now.
I've been doing the same with the coach - but I am adding a shunt and digital ammeter to the coach for the house lights. The running
gear is all LED with the exception of the headlights. I think it's a good use of the 100 amp budget we have from the alternator.
Dolph
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Regards,
Rob M. (USAussie)
The Pedantic Mechanic
Sydney, Australia
'75 Avion - AUS - The Blue Streak TZE365V100428
'75 Avion - USA - Double Trouble TZE365V100426
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| Re: [GMCnet] LED Headlights [message #274688 is a reply to message #274687] |
Tue, 31 March 2015 21:42 |
Bob de Kruyff
Messages: 4260
Registered: January 2004
Location: Chandler, AZ
Karma: 1
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Senior Member |
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USAussie wrote on Tue, 31 March 2015 20:29Bob,
Thanks!
Next question; how does that compare to the Quartz Halogen headlights I JUST installed!
100 Watt - High Beam
55 Watt - Low Beam
Regards,
Rob M.
The Pedantic Mechanic
Sydney, Australia
AUS '75 Avion - The Blue Streak TZE365V100428
USA '75 Avion - Double Trouble TZE365V100426
-----Original Message-----
From: Bob de Kruyff
""The real question is what is the light output""
1100 Lumens each.
--
Bob
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I have no idea 
Bob de Kruyff
78 Eleganza
Chandler, AZ
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| Re: LED Headlights [message #274689 is a reply to message #274686] |
Tue, 31 March 2015 21:45 |
Bob de Kruyff
Messages: 4260
Registered: January 2004
Location: Chandler, AZ
Karma: 1
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Senior Member |
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SteveW wrote on Tue, 31 March 2015 20:23Hmmm... I'm interested.
What's the light ouput of a decent set of H4 halogens ??
Steve W
1973 23'
Southern California
I really don't know and I really don't know if these LED's are the best for lighting. Since my other light had water in it and a tarnished reflector I had to something and I'm more or less of a gadget freak so I'm not really pushing them but I found them interesting and something new.
Bob de Kruyff
78 Eleganza
Chandler, AZ
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| Re: [GMCnet] LED Headlights [message #274691 is a reply to message #274687] |
Tue, 31 March 2015 21:49 |
GMC.LES
Messages: 505
Registered: April 2014
Karma: -2
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Senior Member |
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In relation to general household lighting, 1100 lumens is similar to a 50-60w bulb. Since the Sylvania LED headlights are designed to focus the light in a concentrated area, 1100 lumens might perform similar to a higher wattage halogen, but with no official light performance standards to refer to and little to no specific data to look at, Bob's personal opinion will be all we can rely on. The colour temp will also have a lot to do with perceived performance.
Les Burt
Montreal
'75 Eleganza 26'
The EWIP (Eternal Work In Progress)
> On Mar 31, 2015, at 10:29 PM, Robert Mueller wrote:
>
> Bob,
>
> Thanks!
>
> Next question; how does that compare to the Quartz Halogen headlights I JUST installed!
>
> 100 Watt - High Beam
> 55 Watt - Low Beam
>
> Regards,
> Rob M.
> The Pedantic Mechanic
> Sydney, Australia
> AUS '75 Avion - The Blue Streak TZE365V100428
> USA '75 Avion - Double Trouble TZE365V100426
>
>
> -----Original Message-----
> From: Bob de Kruyff
>
> ""The real question is what is the light output""
>
> 1100 Lumens each.
> --
> Bob
>
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| Re: LED Headlights [message #274701 is a reply to message #274699] |
Wed, 01 April 2015 07:58 |
Bob de Kruyff
Messages: 4260
Registered: January 2004
Location: Chandler, AZ
Karma: 1
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Senior Member |
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thesmith wrote on Wed, 01 April 2015 06:15Seems like a comparitive headlight test would be a fun thing to do at a rally.........however I suspect that whats "best" is very subjective.
Pete
We test a lot of lights at work and it is a very difficult thing to do even with good instrumentation. Until recently most of the emphasis around LED's has been about being seen rather than seeing.
Bob de Kruyff
78 Eleganza
Chandler, AZ
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| Re: [GMCnet] LED Headlights [message #274702 is a reply to message #274691] |
Wed, 01 April 2015 07:58 |
Joe Weir
Messages: 769
Registered: February 2013
Location: Columbia, SC
Karma: 7
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Senior Member |
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I suspect there is no direct comparison info because the only non end-users that have a set are writing puff pieces for Sylvania in the major mags and keeping them for their own use. Give it a year, there will be a blogger along to do the work journalists used to do.
If they had a measurable longer throw or a superior beam pattern, we would have heard about it from Sylvania.
However, Les has a point about perceived performance. If the beam goes no further than the current offerings, but what is illuminated is much easier to see due to the whiter light, I'd say it is a win. Heck, retro fitted purpose built LED headlights that actually work as the law intends? Worth it for the cool factor.
Les Burt[1 wrote on Tue, 31 March 2015 21:49]...The colour temp will also have a lot to do with perceived performance.
Les Burt
76 Birchaven - "Wicked Mistress" - New engine, trans, alum radiator, brakes, Sully airbags, fuel lines, seats, adult beverage center... those Coachmen guys were really thinking about us second hand owners by including that beverage center...
Columbia, SC.
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