[Rhodes22-list] Environment -- dimming bulbs

Fri Feb 23 12:48:57 EST 2007

Ed,

Doesn't seem like that is feasible for my home recessed lights, which is
what we were talking about.

Hank

On 2/23/07, Tootle <ekroposki at charter.net> wrote:
>
>
> Bob:
>
> I think that you missed another boat, see:
>
> http://www.fifthlight.com/technology_dimmableelectronicballast.html
>
> That is unless you are marketing the program for home computers?
>
> Ed K
> Greenville, SC, USA
>
>
> Robert Skinner wrote:
> >
> > Hank, you have put your finger on a huge potential market.
> >
> > Theoretically, with chopper circuits and pulsed output,
> > you could make a florescent bulb that would be dimmable.
> >
> > Since many dimmers use SCRs (silicon controled rectifiers)
> > which do not put out the same form of alternating current
> > that the existing coil bulbs expect, the design would
> > take some work.
> >
> > It may be a while before dimmable coil bulbs come to market,
> > but when they do...
> >
> > /Robert
> > ------------------------------------------------------------
> > Hank wrote:
> >>
> >> One of the problems with these is they don't work with dimmers.  All of
> >> my
> >> recessed lights are on dimmers that I use all of the time, so it is not
> >> practical to switch.  For regular lamps we have switched.
> >>
> >> Hank
> >>
> >> On 2/22/07, Brad Haslett <flybrad at gmail.com> wrote:
> >> >
> >> > Ok folks, here is a quick and 'clean' thought.  I'm not preaching,
> but
> >> we
> >> > have been switching to these bulbs as the old ones burn out.  They
> >> aren't
> >> > cheap, and I don't know where the break-even point is, but you feel
> >> better
> >> > and it gives you a certain environ-snobbery arguing position.  You
> can
> >> buy
> >> > them at SamsClub, WalMart, and other eco-friendly stores.
> >> >
> >> > Brad
> >> >
> >> > ------------------------
> >> >
> >> >    Back to Story<
> >> >
> >>
> http://news.yahoo.com/s/ap/20070220/ap_on_sc/ban_the_bulb_8;_ylt=AqA0NiAnFgJ315H_dAZJJLlxieAA
> >> > >-
> >> > Help<
> >> >
> >>
> http://us.lrd.yahoo.com/_ylt=AmAEg00nzg5WmJGCFhRVhQFxieAA/SIG=10rbjkhqd/**http%3A//help.yahoo.com/
> >> > >
> >> > [image: Yahoo! News]<
> >> > http://news.yahoo.com/;_ylt=AltToAxFx686SzI720Fzl69xieAA>
> >> > Australia to ban old-style light bulbs
> >> >
> >> > By ROHAN SULLIVAN, Associated Press WriterTue Feb 20, 6:26 PM ET
> >> >
> >> > The Australian government on Tuesday announced plans to phase out
> >> > incandescent light bulbs and replace them with more energy-efficient
> >> > compact
> >> > fluorescent bulbs across the country.
> >> >
> >> > Legislation to gradually restrict the sale of the old-style bulbs
> could
> >> > reduce Australia's greenhouse gas emissions by 4 million tons by 2012
> >> and
> >> > cut household power bills by up to 66 percent, said Environment
> >> Minister
> >> > Malcolm Turnbull.
> >> >
> >> > Australia produced almost 565 million tons of greenhouse gases in
> 2004,
> >> > official figures show.
> >> >
> >> > Prime Minister John Howard said the plan would help all Australians
> >> play a
> >> > part in cutting harmful gas emissions: "Here's something practical
> that
> >> > everybody will participate in."
> >> >
> >> > In incandescent light bulbs, perfected for mass use by Thomas A.
> Edison
> >> in
> >> > the late 19th century, electricity flows through a filament to create
> >> > light.
> >> > Much of the energy, however, is wasted in the form of heat.
> >> >
> >> > Australia is not the only place looking to replace them with
> >> fluorescent
> >> > lighting, which is more efficient and longer lasting.
> >> >
> >> > Last month, a California assemblyman announced he would propose a
> bill
> >> to
> >> > ban the use of incandescent bulbs in his state. And a New Jersey
> >> lawmaker
> >> > has called for the state to switch to fluorescent lighting in
> >> government
> >> > buildings within three years.
> >> >
> >> > Cuba's Fidel Castro launched a similar program two years ago, sending
> >> > youth
> >> > brigades into homes and switching out regular bulbs for energy-saving
> >> ones
> >> > to help battle electrical blackouts around the island.
> >> >
> >> > The idea was later embraced by Castro's friend and ally, Venezuelan
> >> > President Hugo Chavez, who announced his own program to save energy
> and
> >> in
> >> > recent months has given away millions of fluorescent bulbs in
> >> > neighborhoods
> >> > nationwide.
> >> >
> >> > Under the Australian plan, bulbs that do not comply with energy
> >> efficiency
> >> > targets would be gradually banned from sale. Exemptions may apply for
> >> > special needs such as medical lighting and oven lights.
> >> >
> >> > Fluorescent bulbs are currently more expensive than incandescent
> bulbs,
> >> > but
> >> > use only about 20 percent of the power to produce the same amount of
> >> light
> >> > and last longer, making them more competitive over time, advocates
> >> argue.
> >> >
> >> > Environmentalists welcomed the light bulb plan, but noted than the
> vast
> >> > bulk
> >> > of Australia's greenhouse gas emissions come from industry, such as
> >> > coal-fired power stations.
> >> >
> >> > They urged the government to set national targets for emission
> >> reductions
> >> > and renewable energy.
> >> >
> >> > "It is a good, positive step. But it is a very small step. It needs
> to
> >> be
> >> > followed through with a lot of different measures," Australian
> >> > Conservation
> >> > Foundation spokesman Josh Meadows told Australian Broadcasting Corp.
> >> > radio.
> >> >
> >> > Howard has become a global warming convert, conceding in recent
> months
> >> for
> >> > the first time that human activity is having an effect on rising
> >> > temperatures.
> >> >
> >> > But he has steadfastly refused to bring Australia into line with most
> >> of
> >> > the
> >> > world and ratify the Kyoto protocol on greenhouse gas reductions,
> >> arguing
> >> > that doing so could damage Australia's coal-dependent economy.
> >> >
> >> > Copyright (c) 2007 The Associated Press. All rights reserved. The
> >> > information contained in the AP News report may not be published,
> >> > broadcast,
> >> > rewritten or redistributed without the prior written authority of The
> >> > Associated Press.
> >> > Copyright (c) 2007 Yahoo! Inc. All rights reserved.
> >> > Questions or Comments<
> >> >
> >>
> http://us.ard.yahoo.com/SIG=12f1p5o19/M=224039.1983420.3465435.1919853/D=news/S=14715249:FOOT/_ylt=AvXfD0ah5M6LM8riA7dE0IZxieAA/Y=YAHOO/EXP=1172197187/A=1030392/R=1/SIG=1124ddvo1/*http://help.yahoo.com/help/news/
> >> > >
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> >> >
> >>
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> >> >
> >>
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> >> > >-
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> >> > Policy<
> >> >
> >>
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> >> > >-
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> > --
> > Robert Skinner               "Squirrel Haven"
> > 9 Gateway Commons, Gorham, Maine   04038-1331
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