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#41 |
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Master Poster
Join Date: Nov 2007
Posts: 2,257
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You're quite wrong, and you appear to be suffering from severe credulousness. I kindly recommend picking up a grade school physics text, and starting from there.
Good luck! |
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#42 |
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Graduate Poster
Join Date: Aug 2007
Posts: 1,951
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When is the last time you plugged in your electric wheelchair to charge it?
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#43 |
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Student
Join Date: May 2010
Location: Canada, Ontario
Posts: 40
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Seems like everyone is attacking your idea from a technical standpoint and talking about the battery. I have a quick set of simple questions that you should be able to answer directly.
How much does the chair weigh? Are you sitting in the chair when it's going up the hill? Are you sitting in the chair (or adding additional weight) when you roll it back down? I ask those questions because you seem to think that you could add many many generators to the chair to get an additional charge. I would think that if you added too many generators the chair simply wouldn't roll back down the hill without some additional force to help it move. And if that's the case, then you need to account for that force. Simply sending the chair up empty while you push the accelerator and then sitting in it to bring it back down the hill in maximum gear would completely null your findings. |
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#44 |
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Illuminator
Join Date: Dec 2008
Posts: 4,350
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You are of course correct, but if the OP can walk up the hill with the electric wheelchair it would make me wonder why he even has one. Of course his notion that simply using different gear ratios uphill and downhill can result in a net energy gain is nonsense.
Of course if your suggestion that OP is walking up and riding down is correct, the true source of energy is his muscles. Somehow I doubt that people walking uphill repeatedly is going to meet the world's energy needs. |
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#45 |
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If Charlie Parker Was a Gunslinger, There'd Be a Whole Lot of Dead Copycats
Join Date: Jul 2007
Location: Seattle
Posts: 6,133
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__________________
Creativity is more than just being different. Anybody can plan weird; that's easy. What's hard is to be as simple as Bach. Making the simple, awesomely simple, that's creativity. - Charles Mingus |
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#46 |
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Penultimate Amazing
Join Date: Feb 2008
Location: Belgium (Flatland)
Posts: 31,680
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__________________
Yesterday upon the stairs I met a man who wasn't there He wasn't there again today I wish that he would go away. |
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#47 |
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Illuminator
Join Date: Jun 2010
Location: North Yorkshire
Posts: 3,980
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#48 |
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Penultimate Amazing
Join Date: Feb 2008
Location: Belgium (Flatland)
Posts: 31,680
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Why doesn't god give a real gift, like curing all children suffering from cancer instead of letting somebody go up and down a hill in an electric wheelchair?
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__________________
Yesterday upon the stairs I met a man who wasn't there He wasn't there again today I wish that he would go away. |
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#49 |
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Daydreamer
Join Date: Jul 2008
Location: Downunder
Posts: 4,388
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__________________
"That is just what you feel, that isn't reality." - hamelekim |
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#50 |
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Graduate Poster
Join Date: Jul 2009
Posts: 1,313
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#51 |
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Philosopher
Join Date: Apr 2007
Location: Dublin (the one in Ireland)
Posts: 7,247
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__________________
Yes I gave in and configured an avatar. |
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#52 |
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NLH
Join Date: Oct 2002
Posts: 25,929
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https://www.yola.com/
How disappointing! I expected yolasite to be an exotic substance like Cavorite, with properties that defy the laws of physics. |
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