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Old 31st March 2008, 10:20 AM   (permalink)
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Quote:
Originally Posted by audioguru
I get thousands of PMs from Indian students, "Plzzz Sir, make my school project".
At this juncture, I remember a slogan, form a member, that your mail will go to junk box unless it contains ....

I am also against eating other's food. Don't really like to en-block do a proxy work for a project work.why not the management think of blocking PM facility to any member for some time.
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Old 31st March 2008, 11:04 AM   (permalink)
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Quote:
Originally Posted by quixotron
you are forgiven. repent and sin no more. this is a commandment from the lord.
Ignore this guy.

as for quix, STOP WITH THE RELIGION OK? YOU DONT EVEN DO ANYTHING.
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Old 31st March 2008, 11:30 AM   (permalink)
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Quote:
Originally Posted by dknguyen
But have you ever been asked to build a helicopter like I have?
That's a keeper.
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Old 31st March 2008, 05:20 PM   (permalink)
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Block new members from making PMs for about 1 month?? Good idea.
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Old 31st March 2008, 05:26 PM   (permalink)
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Quote:
Originally Posted by dknguyen
But have you ever been asked to build a helicopter like I have?
The request from a new member asking for a 100VA solar powered UPS as an school project is no less than a Helicopter, I feel. He is asked by his school staff as it appeared and not his brainchild.
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Old 1st April 2008, 04:12 AM   (permalink)
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I like India, and I like Indian people. I find broken English easier and more desirable to accommodate than audioguru's hostility. There's nothing to understand about people who choose to be obnoxious, other than to know they suffer from xenophobia and a lack of imagination
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Old 1st April 2008, 01:33 PM   (permalink)
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I am hostile toward the billions of students from a single country who send me too many PMs and are asking GIMMEE, SIR!
I don't go to the forums in their country, they should.
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Old 1st April 2008, 03:18 PM   (permalink)
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Quote:
Originally Posted by mvs sarma
The request from a new member asking for a 100VA solar powered UPS as an school project is no less than a Helicopter, I feel. He is asked by his school staff as it appeared and not his brainchild.
Actually it's 1000VA or 600W, he may think it can be done for a couple of dollars.
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Old 1st April 2008, 03:27 PM   (permalink)
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Quote:
Originally Posted by blueroomelectronics
Actually it's 1000VA or 600W, he may think it can be done for a couple of dollars.
OOPS- I really missed typing a zero.
How come 2cm square module will deliver that level of wattage? is it perhaps a 12V SPV module? I saw assemblies measuring 30cm*100cm being used to charge a 12V 40AH battery with the help of a charge controller.
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Old 1st April 2008, 03:48 PM   (permalink)
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Quote:
Originally Posted by mvs sarma
OOPS- I really missed typing a zero.
How come 2cm square module will deliver that level of wattage? is it perhaps a 12V SPV module? I saw assemblies measuring 30cm*100cm being used to charge a 12V 40AH battery with the help of a charge controller.
Those teeny cells can barely run an LED. This would be more like it.
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Old 1st April 2008, 04:13 PM   (permalink)
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Lovely Photo Bill.... but i fail to find a lightening spike atop the building especially mounted with solar panels?
I got following data about the solar cell, from the site you have indicated.

"Tiny Silicon Solar Cell For the laser communicator, or for powering the three penny radio. (You will want three for the radio.) This tiny solar cell is 2 centimeters on a side. They can be soldered, but we find it easiest to use transparent tape to stick wires onto the cell. "

So, an school student (assuming an age group of 8 to 15) being asked to design a 1000VA UPS with solar supply is, i feel a helicopter design.
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Last edited by mvs sarma; 1st April 2008 at 04:26 PM.
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Old 1st April 2008, 04:52 PM   (permalink)
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hi Bill,

Found the ideal battery for that large solar panel array..
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Last edited by ericgibbs; 7th July 2008 at 11:23 AM.
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Old 1st April 2008, 05:17 PM   (permalink)
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LOL I've got one of those little gell cells. It's amazing that I've got a set of NiMH AA cells with almost the same AH.
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Old 1st April 2008, 07:24 PM   (permalink)
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Quote:
Originally Posted by ericgibbs
hi Bill,

Found the ideal battery for that large solar panel array..
Nice Eric-- I was just commenting about lightening spike, causually.
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Old 1st April 2008, 07:57 PM   (permalink)
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I took apart an old calculator to remove its solar panel. But it was just a photo of a solar panel! No wires.
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