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  1. Join Date
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    #21
    my only complain with LED's is that it is good for low ceiling lighting. pag high ceiling na hindi na umaabot sa slab ung kinang ng LED.

  2. Join Date
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    #22
    Depends on how they're aimed/focused.... and how many watts the bulb is. LED floodlights can be very effective.

    Quote Originally Posted by andywesteast View Post
    State of the Art Pinoy engineering.

    Next, the PhUV naman.
    With the PhUV, they were trying to reinvent the wheel. Use ultra-cheap Chinese mechanicals, mated to bespoke sheetmetal, fiberglass and lights that were not cost-effective to design, buy and produce. In the end, you have a UV that cost almost as much as a Chinese UV but was uglier. A lot of us posited ways in which the design could be improved to cut costs and make it look attractive.

    The inventor of the bottle light has never claimed it to be "state-of-the-art" or "super-duper-califragilistic-eco-duper-osius"... just that it was easy to make, easy to teach people to make and cheap for them to make and sell. There is no illusion that this will replace electric lights completely. Just that it will help reduce the need for them.

    You really should watch interviews with him. Some of the stuff his group does (like buildings which use sacks, plastic bottles and adobe) looks simple, but is effective, robust and reproducible.

    -

    This is opposed to most "green" initiatives, which are complex, expensive and unreliable.

    Ang pagbalik ng comeback...

  3. Join Date
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    #23
    Quote Originally Posted by Retz View Post
    my only complain with LED's is that it is good for low ceiling lighting. pag high ceiling na hindi na umaabot sa slab ung kinang ng LED.
    You're probably not using the correct LED lumens and/or lighting fixture for your environment.

  4. Join Date
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    #24
    ^

    currently im using T5 fluorescent lamp and sinubukan kong palitan ng T5 Led with a lower wattage that is equivalent to a T5 Fluorescent 54W, yan ung na observe ko.

  5. Join Date
    Aug 2004
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    #25
    I replaced a 25w circular with a 7w LED. The 7w is brighter.

    There are many different kinds of LED. The early ones with exposed bulbs surrounded by reflectors were inadequate. Newer ones have diffusers much like some CFLs. They're pretty good.

    Ang pagbalik ng comeback...

  6. Join Date
    Jul 2012
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    837
    #26
    Quote Originally Posted by niky View Post

    With the PhUV, they were trying to reinvent the wheel. Use ultra-cheap Chinese mechanicals, mated to bespoke sheetmetal, fiberglass and lights that were not cost-effective to design, buy and produce. In the end, you have a UV that cost almost as much as a Chinese UV but was uglier. A lot of us posited ways in which the design could be improved to cut costs and make it look attractive.

    The inventor of the bottle light has never claimed it to be "state-of-the-art" or "super-duper-califragilistic-eco-duper-osius"... just that it was easy to make, easy to teach people to make and cheap for them to make and sell. There is no illusion that this will replace electric lights completely. Just that it will help reduce the need for them.

    You really should watch interviews with him. Some of the stuff his group does (like buildings which use sacks, plastic bottles and adobe) looks simple, but is effective, robust and reproducible.

    This is opposed to most "green" initiatives, which are complex, expensive and unreliable.
    FINALLY, the most sensible man in this forum butted in and gave credit to the man and the idea behind the invention ;)

    Thanks for sharing your progressive thoughts on this.... Just like in the old days, people who were still riding horses and carts, including the elitists opined that the car will never be able to replace the their trusty carriages because they say that they just couldn't stand the smoke coming out of the engine.... And they were proven wrong ;)

    The typical Pinoy mentality is just like any "instigator" or "pot-stirrer", has never matured nor become a progressive thinker thru the centuries; no wonder why the country runs in mayhem that there was even no single industry developed known to fuel industrialisation thus were labelled only as a trading country.... That's why when we're hit by regional crisis, we feel the impact heavily.... Imagine US$0.28 per kW-h cost on power alone and a population ballooning to 102.5 M Pinoys in 2013, to name a few of the many woes in the country.

    And ingenious ways like this just won't survive in Pinas because of the "talangka mentality" nothwithstanding that it is somehwat still in its maiden voyage and can still be improved in who knows how long, say, 5 years down the line when another individual or group decides to do something about it at a cost-effective manner.

    Dinaig natin sa power cost, fuel cost pati sa population (to name a few) mga SE Asian neighbours natin (except Indonesia), pero tinalo nila tayo sa economic level nila hehe - Indeed, ONLY IN THE PHELIPENS


    Quote Originally Posted by niky View Post
    The inventor of the bottle light has never claimed it to be "state-of-the-art" or "super-duper-califragilistic-eco-duper-osius"... just that it was easy to make, easy to teach people to make and cheap for them to make and sell. There is no illusion that this will replace electric lights completely. Just that it will help reduce the need for them.
    What a bang of description boss Niky! 5-star rating ang comment mo!

    Cheers!



    Last edited by d_mac; August 17th, 2013 at 12:27 AM.

  7. Join Date
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    #27
    sa ibang news naman ... ginagamit yung plastic bottles as "float device" ... sama-sama nakatali gawing salbabida, rescue boat para baha ... basta hwag lang leaky yung takip, reliable siguro yun

  8. Join Date
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    3,428
    #28
    Solar-powered lamp.



    Little Sun Philippines

    What is the Little Sun?

    A high-quality solar-powered lamp in the shape of a hand-sized sun.

    A social business that produces Little Sun lamps and distributes them worldwide by establishing sustainable trade routes, allowing off-grid distributors to profit while bringing light to local users.

    A global project connecting the world’s electrified areas with off-grid communities – purchasing a Little Sun at the regular price of €20 in areas of the world with electricity allows Little Suns to be sold off-grid at much lower, locally affordable prices.

    A work of art that works in life.

  9. Join Date
    Oct 2009
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    473
    #29
    Quote Originally Posted by kinyo View Post
    sa ibang news naman ... ginagamit yung plastic bottles as "float device" ... sama-sama nakatali gawing salbabida, rescue boat para baha ... basta hwag lang leaky yung takip, reliable siguro yun
    http://cl.jroo.me/z3/Y/C/n/e/a.baa-B...ttles-its-.jpg


  10. Join Date
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    #30
    ^

    pilipino talaga ma diskarte.

  11. Join Date
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    #31

    Hydrogen Fuel from Direct Sunlight.....yan ang WORLD CHANGING.

    Hindi lang butas sa bubong:rofl::

    Sunlight hydrogen power possible with solar-thermal reactor - UPI.com
    Last edited by andywesteast; August 19th, 2013 at 11:03 PM.

  12. Join Date
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    #32
    ^ magastos pero maganda nga naman

    yung plastic bottle libre lang

  13. Join Date
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    #33
    ^

    very practical kasi plastic bottle, pang 'masa' ba.

  14. Join Date
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    #34
    Quote Originally Posted by andywesteast View Post

    Hydrogen Fuel from Direct Sunlight.....yan ang WORLD CHANGING.

    Hindi lang butas sa bubong:rofl::

    Sunlight hydrogen power possible with solar-thermal reactor - UPI.com
    Sige. Try distributing hydrogen fuel to poor communities without spending millions for high pressure storage capacity.

    Ang pagbalik ng comeback...

  15. Join Date
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    #35
    Quote Originally Posted by donbuggy View Post
    Solar-powered lamp.



    Little Sun Philippines
    Pretty cool. Still a bit expensive, though.

    Ang pagbalik ng comeback...

  16. Join Date
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    #36
    sa 168 meron silang binebenta na led flashlight. you just shake it and then iilaw na. no batteries needed.

  17. Join Date
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    #37
    Quote Originally Posted by niky View Post
    Sige. Try distributing hydrogen fuel to poor communities without spending millions for high pressure storage capacity.
    Sige. Try running the bote light at night when it us really needed

    Our maid said they just open the door or windows in the province during the day. They do not need the bote light.
    Last edited by andywesteast; August 20th, 2013 at 11:35 PM.

  18. Join Date
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    #38
    Quote Originally Posted by andywesteast View Post
    Sige. Try running the bote light at night when it us really needed

    Our maid said they just open the door or windows in the province during the day. They do not need the bote light.
    Obviously you didn't read what I wrote before: The light is to minimize light use during the daytime. In the slums. Where the houses are built close together, and there's little natural light that can come through the tight spaces between buildings... or even into interior rooms... your typical nipa hut has just one or two rooms with lots of natural light.

    Pero... obviously... hindi sila yung target ng bote light.

    -

    Sige. Hanap ka ng squatter colony na patong patong sa bukid. Hintayin ko lang.

    Tapos i-describe mo kung pano makikinabang ang urban o rural poor sa hydrogen plant kung kasing mahal ng ginto ang hydrogen fuel cells...
    Last edited by niky; August 21st, 2013 at 01:47 AM.

    Ang pagbalik ng comeback...

  19. Join Date
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    #39
    Quote Originally Posted by andywesteast View Post
    Sige. Try running the bote light at night when it us really needed

    Our maid said they just open the door or windows in the province during the day. They do not need the bote light.

    sa susunod ung bote light may solar panel and battery na.

  20. Join Date
    Dec 2009
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    607
    #40
    Quote Originally Posted by niky View Post
    Obviously you didn't read what I wrote before: The light is to minimize light use during the daytime. In the slums. Where the houses are built close together, and there's little natural light that can come through the tight spaces between buildings... or even into interior rooms... your typical nipa hut has just one or two rooms with lots of natural light.

    Pero... obviously... hindi sila yung target ng bote light.


    The slums are situated in the urban and suurban areas.

    Thee areas are mostly electrified. Most of the squatters have electrical appliances and lighting.

    If un-electrified slums are the target market, they are a small niche market. Then you are not changing the world.
    Last edited by andywesteast; August 21st, 2013 at 05:02 PM.

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