Anyone else stocking up on 100w bulbs?...or am I just crazy?

Re: Anyone else stocking up on 100w bulbs?...or am I just crazy?

PostBy: Smokeyja On: Fri Jan 13, 2012 6:32 pm

Freddy wrote:
Smokeyja wrote: I'm not a fan of LED lighting . It doesn't spread the light that well.


As Yanch said, they are getting better and I'm guessing will continue to get better & better. I have been buying LED's for a couple years now.... one here....one there. A few months ago I found the first ones that really work quite well. Philips makes a 5 watt that is shaped like an incandescent & truly puts out the light of a 25 watt. I am very pleased with them. $12 ea. 50,000 life. Not dimable. Instant on, no flicker, comfy light. Next up is the 13 watt Philips that puts out the light of a 60 watt. $24 (down from over $50). They are the ones that have three bright yellow segments, but make warm white light when turned on. They are good, warm comfy light, & dimable. I like them, but, they do tend to shine the light off to the sides rather than all around. A good amount goes off the top, but not as much as an incandescent. They do have a 1/4 second delay when turned on, 1/2 second if in a dimable socket & set to dim. Although they do dim, they only dim about half way, then go out.

One thing with both of these bulbs.... they are not supposed to be used in an enclosed light. I have put the 5 watt in an encloser with no problems, but don't dare try the 13 watt closed in for fear of too much heat.


The LEDs put out that much heat? I thought that was an advantage to LEDs. I use LED lights on my trailer and they are sealed boat lights and they put off a lot of light.

Do the LEDs that are shaped like incandescent bulbs have the same soft white look so you don't realize it's LED?
Smokeyja
 
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Re: Anyone else stocking up on 100w bulbs?...or am I just crazy?

PostBy: Yanche On: Fri Jan 13, 2012 11:16 pm

Smokeyja wrote:
Freddy wrote:
Smokeyja wrote: I'm not a fan of LED lighting . It doesn't spread the light that well.


As Yanch said, they are getting better and I'm guessing will continue to get better & better. I have been buying LED's for a couple years now.... one here....one there. A few months ago I found the first ones that really work quite well. Philips makes a 5 watt that is shaped like an incandescent & truly puts out the light of a 25 watt. I am very pleased with them. $12 ea. 50,000 life. Not dimable. Instant on, no flicker, comfy light. Next up is the 13 watt Philips that puts out the light of a 60 watt. $24 (down from over $50). They are the ones that have three bright yellow segments, but make warm white light when turned on. They are good, warm comfy light, & dimable. I like them, but, they do tend to shine the light off to the sides rather than all around. A good amount goes off the top, but not as much as an incandescent. They do have a 1/4 second delay when turned on, 1/2 second if in a dimable socket & set to dim. Although they do dim, they only dim about half way, then go out.

One thing with both of these bulbs.... they are not supposed to be used in an enclosed light. I have put the 5 watt in an encloser with no problems, but don't dare try the 13 watt closed in for fear of too much heat.


The LEDs put out that much heat? I thought that was an advantage to LEDs. I use LED lights on my trailer and they are sealed boat lights and they put off a lot of light.

Do the LEDs that are shaped like incandescent bulbs have the same soft white look so you don't realize it's LED?

Yes, for the ones with a yellow phosphor bulb coating.

There is significant engineering going on to match the monochromatic LED light to the broader spectrum of an incandescent. Some work is at the LED die level, getting the die itself to emit in more than one direction. Other efforts are to modify the emitted wavelength with a phosphor coating on the inside of the bulb's glass globe. It's all possible and there are many prototype designs. The challenge is making it affordable. As I said the Chinese government is subsidizing their LED die semiconductor industry. They will dominate the LED industry. They almost have too. Their increasing demand for electric power can not be meet even if they buy fossil fuel all around the world. Therefore they are looking to energy conservation. LED's do that. In five years you will want LED lights, they will be that good. The best ones will require a fixture replacement. That's because the LED die chip gets hot, very hot, and the heat is best removed by conduction. Something that's difficult to do with an Edison socket bulb. The new LED products will have soft white colors like an incandescent bulb. It will also be smoothly dim-able
Yanche
 
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Re: Anyone else stocking up on 100w bulbs?...or am I just crazy?

PostBy: Smokeyja On: Sat Jan 14, 2012 1:48 pm

Well I went looking for LED lights last night because speaking of them intrigued me because obviously I haven't been aware of the advancements in LED since I looked which was probably over a year ago. So there wasn't a huge selection at Walmart and I am going to head to Lowes sometime today I think. I saw some really good looking bulbs there and was surprised. Practicality and energy savings will win over looks in the long run in my house but they have done a good job of making them look appealing. Now my problem with LEDs that I saw at the store was the low level of light output. The highest I could find was 150 Lumens which is the equivalent of a 25W bulb. No offense to anyone but who uses a 25W Bulb in a regular light fixture? The lowest I go is a 60W or there is no point in turning on a light because you can't see with anything lower. I can understand a outdoor lantern for decoration but for practicality 25W/150Lumens is useless. I was hoping to find a 100W equivalent to put on my porch light. I see the Flood lights that match 100W in LED but I don't see any regular shaped bulbs hitting up the 40W mark. <removed dead link>

Maybe I haven't looked hard enough. If they get over trying to make everything look space age it would be better. Simple aluminum fins would work wouldn't they? They work to transfer and cool down a lot of things that way. I am renovating my house now so I hope they make some more advancement soon before I spend any money on out dated fixtures.
Last edited by Richard S. on Mon Nov 25, 2013 10:08 am, edited 1 time in total.
Reason: <removed dead link>
Smokeyja
 
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Re: Anyone else stocking up on 100w bulbs?...or am I just crazy?

PostBy: Yanche On: Sat Jan 14, 2012 3:51 pm

Today you will not find the 100 watt replacement LED Edison bulb you want. All the development efforts have been on the 60 watt equivalent bulb. For today's remodeling just install inexpensive incandescent fixtures and plan on replacing them in 5 years when the market forces bring prices of new LED only fixtures down.

Home Depot has the best value in current LED Edison socket bulbs. They have exclusive retail distribution for one of the American based LED companies.
Yanche
 
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Re: Anyone else stocking up on 100w bulbs?...or am I just crazy?

PostBy: europachris On: Sat Jan 14, 2012 6:06 pm

Here is some interesting reading on street lighting application of LEDs by Holophane. http://www.holophane.com/led/LEDgend/default.asp They have been around over 100 years, starting out making glass globes and refractors for lighting fixtures. It is interesting to see how they control both heat and dirt buildup within the fixture to allow for some extremely long rated lifetimes (up to 200,000 hours).

As Yanche said, heat is the real enemy of LEDs. We install optional LED headlights on our forklifts (the standard lights are 55W H3 halogens). They are made by J.W. Speaker in Germantown, WI. They are expensive but put out as much, if not more light than the halogen lamps while consuming maybe 10 watts. The lamp housing is a heavy, finned die-cast aluminum unit that effectively cools the LEDs.
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Re: Anyone else stocking up on 100w bulbs?...or am I just crazy?

PostBy: Willis On: Mon Jan 16, 2012 12:08 am

I find it somewhat ironic that we use the j.w. speaker led lights on our mantrips and CFL bulbs on our roof bolters and beltlines at the underground coal mine I work at. At least we are green while mining coal!
Willis
 
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Re: Anyone else stocking up on 100w bulbs?...or am I just crazy?

PostBy: Smokeyja On: Mon Jan 16, 2012 11:57 am

Willis wrote:I find it somewhat ironic that we use the j.w. speaker led lights on our mantrips and CFL bulbs on our roof bolters and beltlines at the underground coal mine I work at. At least we are green while mining coal!



It depends on who is defining green. I consider coal to be a green fuel. Think about it, it's natural and needs no refining . Coal and wood are as green as you can get! Just because people are saving energy with a few bulbs doesn't mean the power plants are producing any less electricity. It just means they are selling the extra energy. the only thing they do is save on the electric bill for whomever is using them and adding more money in the pockets of those producing them. Those CFL and LED bulbs arent anymore green than the next fairy dust idea. It was just a chance to make more money off people. the American people. We will really see if the CFL bulb in my house last 50 years like it says it will ;) . When I build my steam (coal/wood) powered car I will be sure to use LED lighting :idea:


BTW thanks for mining the good stuff for us :)
Smokeyja
 
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Re: Anyone else stocking up on 100w bulbs?...or am I just crazy?

PostBy: samhill On: Mon Jan 16, 2012 5:56 pm

Your wat too late on you steam powered car thing there Smokeyja. Hate to say it but also too late on the S*** power from the other thread, already being done as well, called a digester/generator, there were several steam cars as well go to the right hand upper corner & do a search but keep up the good ideas.
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Re: Anyone else stocking up on 100w bulbs?...or am I just crazy?

PostBy: Smokeyja On: Mon Jan 16, 2012 11:26 pm

samhill wrote:Your wat too late on you steam powered car thing there Smokeyja. Hate to say it but also too late on the S*** power from the other thread, already being done as well, called a digester/generator, there were several steam cars as well go to the right hand upper corner & do a search but keep up the good ideas.


I know their we're steam cars and coal gasification cars and so on. I never said it was a new idea , just a new project for me :)
I know they run things off methane gas and blah blah blah . But when you have to start shoveling your own sh*t to run your cars, then it will be new ;). Although horses were the main transportation at one time and for the most part you had to shovel sh*t as a part of maintenance there too haha. And why do I need to do a search for steam powered cars I'm not that young Sammy . I've seen my fair Shair at the field days of the past (like a fair or antique farm gathering) You have to have humor when it comes to the "greenies" what's green is made by the black and what's black is more green than green . Confusing I know. What about a nuclear powered car... Darn it, Ford beat me to it in the 50's already ;)

Back to the bulbs though. I am going to try out an LED 60w bulb to see what are the negatives and positives. I haven't left the house since the little one was born saturday . So I might get a chance tomorrow at the home depot to pick one out.
Smokeyja
 
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Re: Anyone else stocking up on 100w bulbs?...or am I just crazy?

PostBy: Freddy On: Tue Jan 17, 2012 7:33 am

Yup, for some reason Home Depot carries the Philips bulbs and Lowes does not. In my opinion, Philips is THE one that works right. The color of the light is "incandescent" and the amount of light is truthful.

LED heat.... I'm starting to think it's not the LED that makes most of the heat, but the conversion of 120V AC to power that the LED runs on. I have some very bright 12V DC LED's that seem quite cool, but, the power supply that converts the AC to DC stays warm. I'm just guessing here.... would the LED household light bulbs be cooler if the wiring was DC? If we had a central power supply? Maybe home in the future will be wired with low voltage DC just for the lights.
Freddy
 
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Re: Anyone else stocking up on 100w bulbs?...or am I just crazy?

PostBy: samhill On: Tue Jan 17, 2012 9:12 am

Now Freddy you got me wondering about the LED traffic lights, not all that long ago there was a big stink about how they would get snow & ice covered because they didn't create enough heat to melt the snow but you don't hear of that any longer. Could it be that they were converting to DC at the control box on the pole & just changed it to the actual light, know nothing about it but it seems to have stopped kind of sudden.
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Re: Anyone else stocking up on 100w bulbs?...or am I just crazy?

PostBy: europachris On: Tue Jan 17, 2012 9:40 am

Freddy wrote: LED heat.... I'm starting to think it's not the LED that makes most of the heat, but the conversion of 120V AC to power that the LED runs on. I have some very bright 12V DC LED's that seem quite cool, but, the power supply that converts the AC to DC stays warm. I'm just guessing here.... would the LED household light bulbs be cooler if the wiring was DC? If we had a central power supply? Maybe home in the future will be wired with low voltage DC just for the lights.


It's some of both, Freddy. LED efficiency is somewhere in the 90~100 lumens/watt range right now, maybe even a bit higher. The Holophane street lighting luminare I referenced is rated about 70 lumens/watt actual light ouput. Each LED consumes a little over a watt. Not much, but since the actual chip is very tiny, the power dissipation is quite high per unit of area, so it is critical that the LED chip be heatsunk properly.

In actuality, LED lighting is no more efficient than a good fluorescent lamp. Even the newest ceramic metal halide lamps running on electronic ballasts can compete in efficiency. Where LEDs beat out the competition is in longevity and lumen maintenance, as well as being compact.
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Re: Anyone else stocking up on 100w bulbs?...or am I just crazy?

PostBy: Smokeyja On: Tue Jan 17, 2012 12:24 pm

europachris wrote:
Freddy wrote: LED heat.... I'm starting to think it's not the LED that makes most of the heat, but the conversion of 120V AC to power that the LED runs on. I have some very bright 12V DC LED's that seem quite cool, but, the power supply that converts the AC to DC stays warm. I'm just guessing here.... would the LED household light bulbs be cooler if the wiring was DC? If we had a central power supply? Maybe home in the future will be wired with low voltage DC just for the lights.


It's some of both, Freddy. LED efficiency is somewhere in the 90~100 lumens/watt range right now, maybe even a bit higher. The Holophane street lighting luminare I referenced is rated about 70 lumens/watt actual light ouput. Each LED consumes a little over a watt. Not much, but since the actual chip is very tiny, the power dissipation is quite high per unit of area, so it is critical that the LED chip be heatsunk properly.

In actuality, LED lighting is no more efficient than a good fluorescent lamp. Even the newest ceramic metal halide lamps running on electronic ballasts can compete in efficiency. Where LEDs beat out the competition is in longevity and lumen maintenance, as well as being compact.



Makes sense! I guess a lot of electronics we own are converting AC into DC much like a laptop and if you put your hand on the converter it is always a good deal warm. This is some good information on this thread. Glad I read it!
Smokeyja
 
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Re: Anyone else stocking up on 100w bulbs?...or am I just crazy?

PostBy: homecomfort On: Sat Jan 21, 2012 11:47 pm

my new refrig. uses LED interior lighting. it ramps up from dim to bright when door is opened. great for late night snacking when sudden bright lights are not welcome. I read where one brand had the inside light stick on, when door was shut, and get so hot as to burn the cover and start a fire. these are very cool !.
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Re: Anyone else stocking up on 100w bulbs?...or am I just crazy?

PostBy: grumpy On: Thu Jun 07, 2012 7:30 pm

Thursday, 07 June 2012 10:02
House Approves Measure to Stall Light-Bulb Efficiency Standards

Tuesday’s amendment, sponsored by Rep. Michael Burgess (R-Texas), says the federal government has no authority to mandate the use of certain light bulbs. “We shouldn’t be making these decisions for the American people,” Burgess said Tuesday on the House floor. “People are sick of the government treading where it just doesn’t belong.”


http://thenewamerican.com/tech/environm ... -standards
grumpy