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Compact Fluorescent Light Bulbs: Proceed with Caution
Average citizens cannot be trusted with economic decisions that
require balancing immediate costs and long-term benefits, according to environmentalists. [...] •CFL manufacturers claim that a 13-watt CFL emits the same amount of light as a 60-watt incandescent, but it doesn't seem to work that way in the real world. I've been in CFL-lit hotel rooms where I need a flashlight to read my dog-eared copy of The Road to Serfdom. •Warm-up time: it takes up to 5 minutes for a CFL to reach full strength, which may be related to the point above (why CFLs seem less bright). My friend has installed them in a hallway where illumination is needed only for the thirty seconds it takes to navigate the staircase. Not ideal when Grandma visits and can't see the skateboard on the stairs. •Few CFLs last for their advertised lifetimes of five years or more. Many people report replacing them after one year, making those return on investment numbers a bit less rosy. Using them in ceiling fixtures, on dimmers or timers, and for less than fifteen minutes per use reduce their life. •CFLs contain mercury and should be returned to a hazardous waste center for disposal. Studies assume a 25% recycling rate, with the rest going into landfills. (The Westinghouse website recommends recycling only when disposing of "a large quantity" of fluorescent tubes and doesn't mention how to dispose of their CFLs.) According to a 2008 Yale study, burning coal to supply electricity to incandescent bulbs emits more mercury per bulb than a CFL contains, but regions that rely on cleaner fuels like natural gas experience greater mercury contamination with the introduction of CFLs. Why would environmentalists advocate to bring a toxic product into every home? •Cleaning up a broken CFL doesn't require a haz-mat team, but you have to take significant precautions to avoid mercury contamination of living areas. •Manufacturing CFLs is labor-intensive. No CFLs are made with expensive U.S. labor; most are made in China, where hundreds of factory workers in CFL plants have been hospitalized for mercury poisoning. The last major light bulb factory in the U.S., a GE plant in Winchester, VA, closed earlier this month. •CFLs require six times as much energy to manufacture as incandescent bulbs, not to mention -- if you're concerned about such things -- the carbon footprint of shipping them from China. •CFLs appear to cause migraines and epileptic seizures in a small number of people. Other health risks are being studied. •CFLs work poorly in cold temperatures -- as a wintertime front porch light, for example. In cold climates, the heat of incandescent bulbs is a useful -- if inefficient -- byproduct. •CFLs degrade the quality of the electric current (so-called "dirty electricity" with uneven sine waves) on a circuit into which they are plugged, causing problems for other electronic devices and possible health hazards to humans. [...] (complete story with references) http://www.americanthinker.com/2010/...ight_bulb.html |
Compact Fluorescent Light Bulbs: Proceed with Caution
"Chas. Chan" wrote in message ... Average citizens cannot be trusted with economic decisions that require balancing immediate costs and long-term benefits, according to environmentalists. [...] •CFL manufacturers claim that a 13-watt CFL emits the same amount of light as a 60-watt incandescent, but it doesn't seem to work that way in the real world. I've been in CFL-lit hotel rooms where I need a flashlight to read my dog-eared copy of The Road to Serfdom. •Warm-up time: it takes up to 5 minutes for a CFL to reach full strength, which may be related to the point above (why CFLs seem less bright). My friend has installed them in a hallway where illumination is needed only for the thirty seconds it takes to navigate the staircase. Not ideal when Grandma visits and can't see the skateboard on the stairs. •Few CFLs last for their advertised lifetimes of five years or more. Many people report replacing them after one year, making those return on investment numbers a bit less rosy. Using them in ceiling fixtures, on dimmers or timers, and for less than fifteen minutes per use reduce their life. •CFLs contain mercury and should be returned to a hazardous waste center for disposal. Studies assume a 25% recycling rate, with the rest going into landfills. (The Westinghouse website recommends recycling only when disposing of "a large quantity" of fluorescent tubes and doesn't mention how to dispose of their CFLs.) According to a 2008 Yale study, burning coal to supply electricity to incandescent bulbs emits more mercury per bulb than a CFL contains, but regions that rely on cleaner fuels like natural gas experience greater mercury contamination with the introduction of CFLs. Why would environmentalists advocate to bring a toxic product into every home? •Cleaning up a broken CFL doesn't require a haz-mat team, but you have to take significant precautions to avoid mercury contamination of living areas. •Manufacturing CFLs is labor-intensive. No CFLs are made with expensive U.S. labor; most are made in China, where hundreds of factory workers in CFL plants have been hospitalized for mercury poisoning. The last major light bulb factory in the U.S., a GE plant in Winchester, VA, closed earlier this month. •CFLs require six times as much energy to manufacture as incandescent bulbs, not to mention -- if you're concerned about such things -- the carbon footprint of shipping them from China. •CFLs appear to cause migraines and epileptic seizures in a small number of people. Other health risks are being studied. •CFLs work poorly in cold temperatures -- as a wintertime front porch light, for example. In cold climates, the heat of incandescent bulbs is a useful -- if inefficient -- byproduct. •CFLs degrade the quality of the electric current (so-called "dirty electricity" with uneven sine waves) on a circuit into which they are plugged, causing problems for other electronic devices and possible health hazards to humans. [...] (complete story with references) http://www.americanthinker.com/2010/...ight_bulb.html .. .. I've had them for years. Reliable Low operating cost. Cool. Less air-conditioning need to get rid of the heat incandescent lamps generate LEDs will be even better! Incandescent lamps, 130 year old technology......ancient history! |
Compact Fluorescent Light Bulbs: Proceed with Caution
On 9/22/2010 8:31 PM, Sid9 wrote:
"Chas. Chan" wrote in message ... Average citizens cannot be trusted with economic decisions that require balancing immediate costs and long-term benefits, according to environmentalists. [...] •CFL manufacturers claim that a 13-watt CFL emits the same amount of light as a 60-watt incandescent, but it doesn't seem to work that way in the real world. I've been in CFL-lit hotel rooms where I need a flashlight to read my dog-eared copy of The Road to Serfdom. •Warm-up time: it takes up to 5 minutes for a CFL to reach full strength, which may be related to the point above (why CFLs seem less bright). My friend has installed them in a hallway where illumination is needed only for the thirty seconds it takes to navigate the staircase. Not ideal when Grandma visits and can't see the skateboard on the stairs. I haven't tried the CFL outside but I had regular Fluorescent lighting in a barn and when below 32F they didn't work worth a damn. I think we're are going to transition to the more expensive LED lighting bit going from $0.30 bulbs to $6.00 bulbs would be a hard sell so the CFL is an intermediate to acclimate the consumers. |
Compact Fluorescent Light Bulbs: Proceed with Caution
Average citizens cannot be trusted with economic decisions that
require balancing immediate costs and long-term benefits, according to environmentalists. [...] •CFL manufacturers claim that a 13-watt CFL emits the same amount of light as a 60-watt incandescent, but it doesn't seem to work that way in the real world. I've been in CFL-lit hotel rooms where I need a flashlight to read my dog-eared copy of The Road to Serfdom. 60-watt incandescent don't put out a lit of light either. The good thing about CF is you can use more or brighter bulbs for more light and still use less electricity. •Warm-up time: it takes up to 5 minutes for a CFL to reach full strength, Exactly what you want in the middle of the night. which may be related to the point above (why CFLs seem less bright). My friend has installed them in a hallway where illumination is needed only for the thirty seconds it takes to navigate the staircase. Not ideal when Grandma visits and can't see the skateboard on the stairs. •Few CFLs last for their advertised lifetimes of five years or more. They are getting better. Many people report replacing them after one year, making those return on investment numbers a bit less rosy. Using them in ceiling fixtures, on dimmers or timers, and for less than fifteen minutes per use reduce their life. •CFLs contain mercury and should be returned to a hazardous waste center for disposal. Studies assume a 25% recycling rate, with the rest going into landfills. (The Westinghouse website recommends recycling only when disposing of "a large quantity" of fluorescent tubes and doesn't mention how to dispose of their CFLs.) According to a 2008 Yale study, burning coal to supply electricity to incandescent bulbs emits more mercury per bulb than a CFL contains, but regions that rely on cleaner fuels like natural gas experience greater mercury contamination with the introduction of CFLs. Why would environmentalists advocate to bring a toxic product into every home? •Cleaning up a broken CFL doesn't require a haz-mat team, but you have to take significant precautions to avoid mercury contamination of living areas. •Manufacturing CFLs is labor-intensive. No CFLs are made with expensive U.S. labor; most are made in China, where hundreds of factory workers in CFL plants have been hospitalized for mercury poisoning. The last major light bulb factory in the U.S., a GE plant in Winchester, VA, closed earlier this month. •CFLs require six times as much energy to manufacture as incandescent bulbs, not to mention -- if you're concerned about such things -- the carbon footprint of shipping them from China. •CFLs appear to cause migraines and epileptic seizures in a small number of people. Other health risks are being studied. •CFLs work poorly in cold temperatures -- as a wintertime front porch light, for example. In cold climates, the heat of incandescent bulbs is a useful -- if inefficient -- byproduct. •CFLs degrade the quality of the electric current (so-called "dirty electricity" with uneven sine waves) on a circuit into which they are plugged, causing problems for other electronic devices and possible health hazards to humans. [...] (complete story with references)http://www.americanthinker.com/2010/...ent_light_bulb... |
Compact Fluorescent Light Bulbs: Proceed with Caution
Chas. Chan wrote: Average citizens cannot be trusted with economic decisions that require balancing immediate costs and long-term benefits, according to environmentalists. [...] •CFL manufacturers claim that a 13-watt CFL emits the same amount of light as a 60-watt incandescent, but it doesn't seem to work that way in the real world. I've been in CFL-lit hotel rooms where I need a flashlight to read my dog-eared copy of The Road to Serfdom. •Warm-up time: it takes up to 5 minutes for a CFL to reach full strength, which may be related to the point above (why CFLs seem less bright). My friend has installed them in a hallway where illumination is needed only for the thirty seconds it takes to navigate the staircase. Not ideal when Grandma visits and can't see the skateboard on the stairs. •Few CFLs last for their advertised lifetimes of five years or more. Many people report replacing them after one year, making those return on investment numbers a bit less rosy. Using them in ceiling fixtures, on dimmers or timers, and for less than fifteen minutes per use reduce their life. •CFLs contain mercury and should be returned to a hazardous waste center for disposal. Studies assume a 25% recycling rate, with the rest going into landfills. (The Westinghouse website recommends recycling only when disposing of "a large quantity" of fluorescent tubes and doesn't mention how to dispose of their CFLs.) According to a 2008 Yale study, burning coal to supply electricity to incandescent bulbs emits more mercury per bulb than a CFL contains, but regions that rely on cleaner fuels like natural gas experience greater mercury contamination with the introduction of CFLs. Why would environmentalists advocate to bring a toxic product into every home? •Cleaning up a broken CFL doesn't require a haz-mat team, but you have to take significant precautions to avoid mercury contamination of living areas. •Manufacturing CFLs is labor-intensive. No CFLs are made with expensive U.S. labor; most are made in China, where hundreds of factory workers in CFL plants have been hospitalized for mercury poisoning. The last major light bulb factory in the U.S., a GE plant in Winchester, VA, closed earlier this month. •CFLs require six times as much energy to manufacture as incandescent bulbs, not to mention -- if you're concerned about such things -- the carbon footprint of shipping them from China. •CFLs appear to cause migraines and epileptic seizures in a small number of people. Other health risks are being studied. •CFLs work poorly in cold temperatures -- as a wintertime front porch light, for example. In cold climates, the heat of incandescent bulbs is a useful -- if inefficient -- byproduct. There is no doubt, if it gets 5 degrees below zero chances are they will not work anymore. Around 20 degrees it they take a long time to get going. But have had on in the kitchen that is on most nights for at least and hour for 5 or so years. have had the same one at my office for about as long at that is on for at least 8 hours a day Previous to that with regular bulbs would go through 0one of these aver 3 months. •CFLs degrade the quality of the electric current (so-called "dirty electricity" with uneven sine waves) on a circuit into which they are plugged, causing problems for other electronic devices and possible health hazards to humans. [...] (complete story with references) http://www.americanthinker.com/2010/...ight_bulb.html |
Compact Fluorescent Light Bulbs: Proceed with Caution
On Sep 22, 3:45*pm, "Chas. Chan" wrote:
Average citizens cannot be trusted with economic decisions that require balancing immediate costs and long-term benefits, according to environmentalists. [...] •CFL manufacturers claim that a 13-watt CFL emits the same amount of light as a 60-watt incandescent, but it doesn't seem to work that way in the real world. I've been in CFL-lit hotel rooms where I need a flashlight to read my dog-eared copy of The Road to Serfdom. •Warm-up time: it takes up to 5 minutes for a CFL to reach full strength, which may be related to the point above (why CFLs seem less bright). My friend has installed them in a hallway where illumination is needed only for the thirty seconds it takes to navigate the staircase. Not ideal when Grandma visits and can't see the skateboard on the stairs. •Few CFLs last for their advertised lifetimes of five years or more. Many people report replacing them after one year, making those return on investment numbers a bit less rosy. Using them in ceiling fixtures, on dimmers or timers, and for less than fifteen minutes per use reduce their life. •CFLs contain mercury and should be returned to a hazardous waste center for disposal. Studies assume a 25% recycling rate, with the rest going into landfills. (The Westinghouse website recommends recycling only when disposing of "a large quantity" of fluorescent tubes and doesn't mention how to dispose of their CFLs.) According to a 2008 Yale study, burning coal to supply electricity to incandescent bulbs emits more mercury per bulb than a CFL contains, but regions that rely on cleaner fuels like natural gas experience greater mercury contamination with the introduction of CFLs. Why would environmentalists advocate to bring a toxic product into every home? •Cleaning up a broken CFL doesn't require a haz-mat team, but you have to take significant precautions to avoid mercury contamination of living areas. •Manufacturing CFLs is labor-intensive. No CFLs are made with expensive U.S. labor; most are made in China, where hundreds of factory workers in CFL plants have been hospitalized for mercury poisoning. The last major light bulb factory in the U.S., a GE plant in Winchester, VA, closed earlier this month. •CFLs require six times as much energy to manufacture as incandescent bulbs, not to mention -- if you're concerned about such things -- the carbon footprint of shipping them from China. •CFLs appear to cause migraines and epileptic seizures in a small number of people. Other health risks are being studied. •CFLs work poorly in cold temperatures -- as a wintertime front porch light, for example. In cold climates, the heat of incandescent bulbs is a useful -- if inefficient -- byproduct. •CFLs degrade the quality of the electric current (so-called "dirty electricity" with uneven sine waves) on a circuit into which they are plugged, causing problems for other electronic devices and possible health hazards to humans. [...] (complete story with references)http://www.americanthinker.com/2010/...ent_light_bulb... wrt- Compact Fluorescent Light (CFL) Bulbs . . . The Best Compact Fluorescent Light (CFL) Bulbs a PM Lab Test -by- Popular Mechanics http://www.popularmechanics.com/home...s/news/4215199 |
Compact Fluorescent & Incandescent Light Bulbs: Proceed withCaution - Dangerous New Fangled Technology Foisted On Us By Progressives
Beam Me Up Scotty
wrote: On 9/22/2010 8:31 PM, Sid9 wrote: I think we're are going to transition to the more expensive LED lighting bit going from $0.30 bulbs to $6.00 bulbs would be a hard sell so the CFL is an intermediate to acclimate the consumers. Incandescent lamps are too futuristic for most of us, stick to whale oil or kerosene lamps. Only greenies like incandescent lamps. progressives like you. They'll never come down in price and be cheap like the old kind we've been using for the past 500 years. |
Compact Fluorescent Light Bulbs: Proceed with Caution
On Sep 22, 6:45*pm, monkeydeskstand wrote:
Chas. Chan wrote: Average citizens cannot be trusted with economic decisions that require balancing immediate costs and long-term benefits, according to environmentalists. [...] •CFL manufacturers claim that a 13-watt CFL emits the same amount of light as a 60-watt incandescent, but it doesn't seem to work that way in the real world. I've been in CFL-lit hotel rooms where I need a flashlight to read my dog-eared copy of The Road to Serfdom. •Warm-up time: it takes up to 5 minutes for a CFL to reach full strength, which may be related to the point above (why CFLs seem less bright). My friend has installed them in a hallway where illumination is needed only for the thirty seconds it takes to navigate the staircase. Not ideal when Grandma visits and can't see the skateboard on the stairs. •Few CFLs last for their advertised lifetimes of five years or more. Many people report replacing them after one year, making those return on investment numbers a bit less rosy. Using them in ceiling fixtures, on dimmers or timers, and for less than fifteen minutes per use reduce their life. •CFLs contain mercury and should be returned to a hazardous waste center for disposal. Studies assume a 25% recycling rate, with the rest going into landfills. (The Westinghouse website recommends recycling only when disposing of "a large quantity" of fluorescent tubes and doesn't mention how to dispose of their CFLs.) According to a 2008 Yale study, burning coal to supply electricity to incandescent bulbs emits more mercury per bulb than a CFL contains, but regions that rely on cleaner fuels like natural gas experience greater mercury contamination with the introduction of CFLs. Why would environmentalists advocate to bring a toxic product into every home? •Cleaning up a broken CFL doesn't require a haz-mat team, but you have to take significant precautions to avoid mercury contamination of living areas. •Manufacturing CFLs is labor-intensive. No CFLs are made with expensive U.S. labor; most are made in China, where hundreds of factory workers in CFL plants have been hospitalized for mercury poisoning. The last major light bulb factory in the U.S., a GE plant in Winchester, VA, closed earlier this month. •CFLs require six times as much energy to manufacture as incandescent bulbs, not to mention -- if you're concerned about such things -- the carbon footprint of shipping them from China. •CFLs appear to cause migraines and epileptic seizures in a small number of people. Other health risks are being studied. •CFLs work poorly in cold temperatures -- as a wintertime front porch light, for example. In cold climates, the heat of incandescent bulbs is a useful -- if inefficient -- byproduct. There is no doubt, if it gets 5 degrees below zero chances are they will not work anymore. Around 20 degrees it they take a long time to get going. - But have had on in the kitchen that is on most - nights for at least and hour for 5 or so years. - have had the same one at my office for about - as long at that is on for at least 8 hours a day DITTO THAT AND MORE : These Spiral {Mushroom} CFLs rated at 120 Watts Light Output {=Lumens} and use http://i00.i.aliimg.com/photo/v0/289..._anion_CFL.jpg only 30 Watts of Power are Good for Reading Lights {Daylight} and Shine Well in most places http://cgi.ebay.com/370294601763 a 100 Watt Incandescent Bulb was used before. http://www.amazon.com/dp/B001A0GFCG/ NOTE - In a Kitchen where they are switch On&Off many times Daily and are "On" for 8~12 Hours Daily these last about 3-Years* before they don't Light-Up anymore. Doing-The-Math : 10 Hours x 365 Days x 3 Years = 10,950 Service Hours * How Do I Know ? : I write the MM/YY on the base of the CFL Bulb when it is installed to check it's Service Life at Replacement. (o: smart :o) ~ RHF - Previous to that with regular bulbs would go - through 0one of these aver 3 months. Same here. Buy a Pack of Four Incandescent Bubs for One Light Socket and they would be gone in a Year. •CFLs degrade the quality of the electric current (so-called "dirty electricity" with uneven sine waves) on a circuit into which they are plugged, causing problems for other electronic devices and possible health hazards to humans. [...] (complete story with references) http://www.americanthinker.com/2010/...ent_light_bulb... |
Compact Fluorescent Light Bulbs: Proceed with Caution (Rightard idiocy)
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Compact Fluorescent Light Bulbs: Proceed with Caution
"Chas. Chan" wrote in message ... Average citizens cannot be trusted with economic decisions that require balancing immediate costs and long-term benefits, according to environmentalists. [...] •CFL manufacturers claim that a 13-watt CFL emits the same amount of light as a 60-watt incandescent, but it doesn't seem to work that way in the real world. I've been in CFL-lit hotel rooms where I need a flashlight to read my dog-eared copy of The Road to Serfdom. You whiny-ass titty-baby tool. Grow some fur. Jim |
Compact Fluorescent Light Bulbs: Proceed with Caution
On Wed, 22 Sep 2010 18:45:44 -0700 (PDT), monkeydeskstand
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Idiots-R-Us : LED Flashlight Prices going down and down and down . . .
On Sep 22, 5:45*pm, Beam Me Up Scotty Then-Destroy-
wrote: On 9/22/2010 8:31 PM, Sid9 wrote: "Chas. Chan" wrote in message .... Average citizens cannot be trusted with economic decisions that require balancing immediate costs and long-term benefits, according to environmentalists. [...] •CFL manufacturers claim that a 13-watt CFL emits the same amount of light as a 60-watt incandescent, but it doesn't seem to work that way in the real world. I've been in CFL-lit hotel rooms where I need a flashlight to read my dog-eared copy of The Road to Serfdom. •Warm-up time: it takes up to 5 minutes for a CFL to reach full strength, which may be related to the point above (why CFLs seem less bright). My friend has installed them in a hallway where illumination is needed only for the thirty seconds it takes to navigate the staircase. Not ideal when Grandma visits and can't see the skateboard on the stairs. I haven't tried the CFL outside but I had regular Fluorescent lighting in a barn and when below 32F they didn't work worth a damn. - I think we're are going to transition to the more - expensive LED lighting bit going from $0.30 bulbs - to $6.00 bulbs would be a hard sell so the CFL - is an intermediate to acclimate the consumers. FWIW LED Light may be coming down in Price at least for simple 3-LED Flashlights {Hand Torches} On the way back up the Hill from Stockton, CA stopped by the Dollar Tree Store in Oakdale, CA and saw a Plastic Body 3-LED Flashlight* that used 3 AAA Batteries {Not Included} for only One Buck [$1]. -hint- 'Dollar Tree' * Distributor : Greenbrier Intl. & Made-in-China Got it home and tested it with the 3 AAA Batteries installed and IT IS A BRIGHT WHITE LIGHT ! The 1"D x 3.5"L Barrel fits in the Palm of the Hand with the 1.5"D x 1.5"L Light-Head still exposed. unless you have Big Hands. The over-all shape sort of looks like this one. http://img.directindustry.com/images...ght-253681.jpg The Front Lens of the 3-LED Light-Head generally looks like this. http://www.lightjunction.com/images/...c-M3XC4-R2.jpg Just seems this year that a smaller Aluminum Body 9-LED Flashlight that used 3 AAA Batteries was selling for $5~$10 with the cheap LABs included. -but- This 3-LED Flashlight is Brighter then any of the 9-LED Flashlights -imho- HELLO Just because LEDs are so energy efficient : Please Remember Not-to-Over-Do-It ;;-}} ~ RHF http://blog.makezine.com/500-led-flashlight.jpg |
Idiots-R-Us : LED Flashlight Prices going down and down anddow...
Dollar Tree? Cool Hand Luke movie was filmed not far from Stockton.
There is a Dollar Tree store in that strip mall next to the Walmart store, that is a mile and a half South of doggy's couch.That Walmart store is where I do my food shopping. I have to get out and about tomorrow morning anyway, Ergo my old house has PEX plastic water pipes and the outside water faucet has done sprung a pinhole water leak.To repair that water leak, I could call a plumber, but I like to do things myself, so that means I am going buy a crimping tool (about $100.00 more or less, but a plumber would charge me about that much or more to come out here and fix that water leak for me anyway) and some copper rings and a Go - No Go gauge.If I get any more PEX water leaks, I can allways fix them myself. While I am out and about (He says, Where is Elmo? She says, He is out and about) tomorrow, I might stop off at that Dollar Tree store. http://www.dollartree.com cuhulin |
Idiots-R-Us : Stop All New Car Production Now To Save The Planet -Look to Cuba For Examples of Eco-Friendly Hybrid Cars
On Oct 4, 4:09*pm, Mr.B1ack wrote:
RHF wrote: On Sep 22, 5:45*pm, Beam Me Up Scotty Then-Destroy- wrote: On 9/22/2010 8:31 PM, Sid9 wrote: "Chas. Chan" wrote in message ... Average citizens cannot be trusted with economic decisions that require balancing immediate costs and long-term benefits, according to environmentalists. [...] •CFL manufacturers claim that a 13-watt CFL emits the same amount of light as a 60-watt incandescent, but it doesn't seem to work that way in the real world. I've been in CFL-lit hotel rooms where I need a flashlight to read my dog-eared copy of The Road to Serfdom. •Warm-up time: it takes up to 5 minutes for a CFL to reach full strength, which may be related to the point above (why CFLs seem less bright). My friend has installed them in a hallway where illumination is needed only for the thirty seconds it takes to navigate the staircase. Not ideal when Grandma visits and can't see the skateboard on the stairs. I haven't tried the CFL outside but I had regular Fluorescent lighting in a barn and when below 32F they didn't work worth a damn. - I think we're are going to transition to the more - expensive LED lighting bit going from $0.30 bulbs - to $6.00 bulbs would be a hard sell so the CFL - is an intermediate to acclimate the consumers. FWIW LED Light may be coming down in Price at least for simple 3-LED Flashlights {Hand Torches} On the way back up the Hill from Stockton, CA stopped by the Dollar Tree Store in Oakdale, CA and saw a Plastic Body 3-LED Flashlight* that used 3 AAA Batteries {Not Included} for only One Buck [$1]. -hint- 'Dollar Tree' * Distributor : Greenbrier Intl. & Made-in-China Got it home and tested it with the *3 AAA Batteries installed and IT IS A BRIGHT WHITE LIGHT ! The 1"D x 3.5"L Barrel fits in the Palm of the Hand with the 1.5"D x 1.5"L Light-Head still exposed. unless you have Big Hands. The over-all shape sort of looks like this one. http://img.directindustry.com/images...shlight-253681... The Front Lens of the 3-LED Light-Head generally looks like this. http://www.lightjunction.com/images/...c-M3XC4-R2.jpg Just seems this year that a smaller Aluminum Body 9-LED Flashlight that used 3 AAA Batteries was selling for $5~$10 with the cheap LABs included. -but- This 3-LED Flashlight is Brighter then any of the 9-LED Flashlights -imho- HELLO Just because LEDs are so energy efficient : Please Remember Not-to-Over-Do-It ;;-}} ~ RHF http://blog.makezine.com/500-led-flashlight.jpg * *LEDs are "more efficient" ... but only if you narrow * *your definition considerably. * *LEDs require precision engineering to make ... and * *that costs money and energy and toxic crap that has * *to be specially disposed. Mr. Black, The same can be said for all the new High MPG Cars and Hybrid Cars : The Energy used to Build the One 'New' Car and All of it's Parts could Fuel a currently existing Car for 3+ Years by some estimates. -so- Keeping the Old Clunker has an overall Energy Use Avoidance in the First Year that extends out 3+ Years -and- Keeping the Old Clunker for 3+ Years can Reduce the Carbon Footprint for a Decade. http://farm4.static.flickr.com/3556/...207_z.jpg?zz=1 |
Idiots-R-Us : LED Flashlight Prices going down and down and down . . .
"Mr.B1ack" wrote in message ... RHF wrote: On Sep 22, 5:45 pm, Beam Me Up Scotty Then-Destroy- wrote: On 9/22/2010 8:31 PM, Sid9 wrote: "Chas. Chan" wrote in message ... Average citizens cannot be trusted with economic decisions that require balancing immediate costs and long-term benefits, according to environmentalists. [...] .CFL manufacturers claim that a 13-watt CFL emits the same amount of light as a 60-watt incandescent, but it doesn't seem to work that way in the real world. I've been in CFL-lit hotel rooms where I need a flashlight to read my dog-eared copy of The Road to Serfdom. .Warm-up time: it takes up to 5 minutes for a CFL to reach full strength, which may be related to the point above (why CFLs seem less bright). My friend has installed them in a hallway where illumination is needed only for the thirty seconds it takes to navigate the staircase. Not ideal when Grandma visits and can't see the skateboard on the stairs. I haven't tried the CFL outside but I had regular Fluorescent lighting in a barn and when below 32F they didn't work worth a damn. - I think we're are going to transition to the more - expensive LED lighting bit going from $0.30 bulbs - to $6.00 bulbs would be a hard sell so the CFL - is an intermediate to acclimate the consumers. FWIW LED Light may be coming down in Price at least for simple 3-LED Flashlights {Hand Torches} On the way back up the Hill from Stockton, CA stopped by the Dollar Tree Store in Oakdale, CA and saw a Plastic Body 3-LED Flashlight* that used 3 AAA Batteries {Not Included} for only One Buck [$1]. -hint- 'Dollar Tree' * Distributor : Greenbrier Intl. & Made-in-China Got it home and tested it with the 3 AAA Batteries installed and IT IS A BRIGHT WHITE LIGHT ! The 1"D x 3.5"L Barrel fits in the Palm of the Hand with the 1.5"D x 1.5"L Light-Head still exposed. unless you have Big Hands. The over-all shape sort of looks like this one. http://img.directindustry.com/images...ght-253681.jpg The Front Lens of the 3-LED Light-Head generally looks like this. http://www.lightjunction.com/images/...c-M3XC4-R2.jpg Just seems this year that a smaller Aluminum Body 9-LED Flashlight that used 3 AAA Batteries was selling for $5~$10 with the cheap LABs included. -but- This 3-LED Flashlight is Brighter then any of the 9-LED Flashlights -imho- HELLO Just because LEDs are so energy efficient : Please Remember Not-to-Over-Do-It ;;-}} ~ RHF http://blog.makezine.com/500-led-flashlight.jpg LEDs are "more efficient" ... but only if you narrow your definition considerably. LEDs require precision engineering to make ... and that costs money and energy and toxic crap that has to be specially disposed. WHITE LEDs suck ... they're really a BLUE LED with a pinch of white phosphor material stuck on. The problem is that the phosphor has a limited - in some cases VERY limited - lifespan. Then your LED gets dim and/or takes on weird colors. Not really an issue for flashlights ... but for home lighting that's on for hours per day every day - problem. So why not use red + green + blue LEDs to get white ? First of all, each color uses a different voltage, complicating design. The processes used also vary, so making a sheet of alternating R/G/B emitters is a super pain in the ass. Finally, next time you're out and about, look at the LED lights in the traffic signals. Oh wait, you'll probably have trouble finding GREEN ones because GREEN LEDs are unreliable for some damned reason (I recall a Scientific American article a year or so ago explaining why). So, after a year, you'll have a Red/Nothing/Blue = icky purpleish light instead of a nice white light. The hope for LEDs lies in the "organic" variety that can literally be "printed" onto a plastic sheet using tech fairly close to an injet printer. They won't be AS bright as the old kind, and they won't last AS long ... but they'll be a lot CHEAPER so you can afford to replace dimming elements. Give these about another three to five years. By then the cost/performance/efficiency should be in the acceptable range. Not meaning to hijack, but I am concerned that eventually, when I have no choice but to use CFLs, my SW radio listening will suffer. It's my understanding, that they contain a 'mini-starter' which emits RFI. I've experienced problems from flourescent fixture starters that I've replaced which will randomly blank out any AM transmissions. Flicking the light switch off, then on corrects it temporarily. Anyone comment on the CFLs? HankG |
Idiots-R-Us : LED Flashlight Prices going down and down and down. . .
On 10/5/10 14:36 , HankG wrote:
wrote in message ... wrote: On Sep 22, 5:45 pm, Beam Me Up ScottyThen-Destroy- wrote: On 9/22/2010 8:31 PM, Sid9 wrote: "Chas. wrote in message ... Average citizens cannot be trusted with economic decisions that require balancing immediate costs and long-term benefits, according to environmentalists. [...] .CFL manufacturers claim that a 13-watt CFL emits the same amount of light as a 60-watt incandescent, but it doesn't seem to work that way in the real world. I've been in CFL-lit hotel rooms where I need a flashlight to read my dog-eared copy of The Road to Serfdom. .Warm-up time: it takes up to 5 minutes for a CFL to reach full strength, which may be related to the point above (why CFLs seem less bright). My friend has installed them in a hallway where illumination is needed only for the thirty seconds it takes to navigate the staircase. Not ideal when Grandma visits and can't see the skateboard on the stairs. I haven't tried the CFL outside but I had regular Fluorescent lighting in a barn and when below 32F they didn't work worth a damn. - I think we're are going to transition to the more - expensive LED lighting bit going from $0.30 bulbs - to $6.00 bulbs would be a hard sell so the CFL - is an intermediate to acclimate the consumers. FWIW LED Light may be coming down in Price at least for simple 3-LED Flashlights {Hand Torches} On the way back up the Hill from Stockton, CA stopped by the Dollar Tree Store in Oakdale, CA and saw a Plastic Body 3-LED Flashlight* that used 3 AAA Batteries {Not Included} for only One Buck [$1]. -hint- 'Dollar Tree' * Distributor : Greenbrier Intl.& Made-in-China Got it home and tested it with the 3 AAA Batteries installed and IT IS A BRIGHT WHITE LIGHT ! The 1"D x 3.5"L Barrel fits in the Palm of the Hand with the 1.5"D x 1.5"L Light-Head still exposed. unless you have Big Hands. The over-all shape sort of looks like this one. http://img.directindustry.com/images...ght-253681.jpg The Front Lens of the 3-LED Light-Head generally looks like this. http://www.lightjunction.com/images/...c-M3XC4-R2.jpg Just seems this year that a smaller Aluminum Body 9-LED Flashlight that used 3 AAA Batteries was selling for $5~$10 with the cheap LABs included. -but- This 3-LED Flashlight is Brighter then any of the 9-LED Flashlights -imho- HELLO Just because LEDs are so energy efficient : Please Remember Not-to-Over-Do-It ;;-}} ~ RHF http://blog.makezine.com/500-led-flashlight.jpg LEDs are "more efficient" ... but only if you narrow your definition considerably. LEDs require precision engineering to make ... and that costs money and energy and toxic crap that has to be specially disposed. WHITE LEDs suck ... they're really a BLUE LED with a pinch of white phosphor material stuck on. The problem is that the phosphor has a limited - in some cases VERY limited - lifespan. Then your LED gets dim and/or takes on weird colors. Not really an issue for flashlights ... but for home lighting that's on for hours per day every day - problem. So why not use red + green + blue LEDs to get white ? First of all, each color uses a different voltage, complicating design. The processes used also vary, so making a sheet of alternating R/G/B emitters is a super pain in the ass. Finally, next time you're out and about, look at the LED lights in the traffic signals. Oh wait, you'll probably have trouble finding GREEN ones because GREEN LEDs are unreliable for some damned reason (I recall a Scientific American article a year or so ago explaining why). So, after a year, you'll have a Red/Nothing/Blue = icky purpleish light instead of a nice white light. The hope for LEDs lies in the "organic" variety that can literally be "printed" onto a plastic sheet using tech fairly close to an injet printer. They won't be AS bright as the old kind, and they won't last AS long ... but they'll be a lot CHEAPER so you can afford to replace dimming elements. Give these about another three to five years. By then the cost/performance/efficiency should be in the acceptable range. Not meaning to hijack, but I am concerned that eventually, when I have no choice but to use CFLs, my SW radio listening will suffer. It's my understanding, that they contain a 'mini-starter' which emits RFI. I've experienced problems from flourescent fixture starters that I've replaced which will randomly blank out any AM transmissions. Flicking the light switch off, then on corrects it temporarily. Anyone comment on the CFLs? HankG CFL's and long tubes can be radically different animals. One is a linear noise source, so the attenuation with distance is proportional, whereas CFL's represent, more or less, a point source, so attenuation is proportional to the square of the distance. In other words, CFL noise falls off more quickly. CFL technology can also be quiet different than long tubes. And, with a quality bulb, inherently lower noise. Early CFL's were quite noisy. Current production CFL's tend to be much quieter, although cheaply made CFL's can still produce small amounts of noise. At a distance of a couple of meters, the noise is not an issue, but cumulatively, they can raise the overall noise floor in your location if many are used. The good news is that cheap CFL's don't last very long, and must be replaced often until they're gone. The better news is that with an external antenna of some quality, worked against a good ground, the raised noise floor can be both avoided, and/or overcome. |
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