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[BB] Innovator: Martin Riddiford's Gravity-Powered Lamp - Page 3

post #21 of 32
Quote:
Originally Posted by Deagle50ae View Post

Seriously?
You must have not read at all... and if you did, you forgot that there actually are places without electricity in the world. This is about providing safe, cheap, light for poor and developing nations. Not about a "cool new gadget"

Quote:
Originally Posted by srsparky32 View Post

^

Quote:
Originally Posted by Ghooble View Post

Horribly impractical to lift a 25lb weight once every 30minutes? It's not like you're gonna need the light for multiple contiguous hours. Me thinks you're being a bit dramatic.

Quote:
Originally Posted by pcguru000 View Post

You're avatar seems impractical to me smile.gif

I don't see how this in an innovation really though -we've had "crank" based charging systems for years. I didn't read though FYI... will get to it later :>

LOL... I had this guy blocked and couldn't figure out what y'all were talking about.

I had to click to show the post, and that's when I remembered why I blocked him... that... avatar... ugh (* ̄m ̄)

BTW, this invention is amazing. It would even work when there's no sun light to charge my solar lamp that I use every night. Great for a zombie shelter if there's no light shaft... hehe ( ̄ー ̄)
post #22 of 32
Quote:
Originally Posted by BinaryDemon View Post

30 minutes wind-down time is too short. Make it 30ft tall, and put it on one of those carnival strong-man sledgehammer rigs. Then atleast you only need to swing the sledgehammer once every few hours.


Huh; that's a good idea! thumb.gif
post #23 of 32
Quote:
Originally Posted by BinaryDemon View Post

30 minutes wind-down time is too short. Make it 30ft tall, and put it on one of those carnival strong-man sledgehammer rigs. Then atleast you only need to swing the sledgehammer once every few hours.


Its a cool invention but I agree. 30 min is just to short for it to be a practical replacement for a kerosene lamp.
    
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post #24 of 32
Quote:
Originally Posted by BinaryDemon View Post

30 minutes wind-down time is too short. Make it 30ft tall, and put it on one of those carnival strong-man sledgehammer rigs. Then atleast you only need to swing the sledgehammer once every few hours.

This is the best idea I have heard yet.
post #25 of 32
Very practical IMO. The wind up alternative requires CONSTANT winding, and winding in and of itself is a rather aka ward motion unless the item is mounted on something (which it couldn't be if you had to constantly crank it, thus had to walk around with the thing to use it).

Let's pretend you have an unfurnished basement you use as storage, perhaps you actually do. With one quick easy lift, you can have light for the entire duration of your time spent in the basement looking for whatever it is you need to bring upstairs. You don't have to bother turning it off on the way up while your hands are full, it'll turn itself off when it finishes falling, and it doesn't have any impact on your electric bill. You always know exactly where it is, as it doesn't move, so there is no "fumbling around in the dark", it becomes just as natural as flicking that light switch in your bathroom in the middle of the night.

See? A totally practical use right here in our electric-powered homes. Now imagine how many times more useful it would be in nations with unreliable/no power grids.

Besides, lets face it, most of you users of this forum could afford to lift a small weight a few times a day wink.gif
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post #26 of 32
Quote:
Originally Posted by Zero4549 View Post

Very practical IMO. The wind up alternative requires CONSTANT winding, and winding in and of itself is a rather aka ward motion unless the item is mounted on something (which it couldn't be if you had to constantly crank it, thus had to walk around with the thing to use it).

Let's pretend you have an unfurnished basement you use as storage, perhaps you actually do. With one quick easy lift, you can have light for the entire duration of your time spent in the basement looking for whatever it is you need to bring upstairs. You don't have to bother turning it off on the way up while your hands are full, it'll turn itself off when it finishes falling, and it doesn't have any impact on your electric bill. You always know exactly where it is, as it doesn't move, so there is no "fumbling around in the dark", it becomes just as natural as flicking that light switch in your bathroom in the middle of the night.

See? A totally practical use right here in our electric-powered homes. Now imagine how many times more useful it would be in nations with unreliable/no power grids.

Besides, lets face it, most of you users of this forum could afford to lift a small weight a few times a day wink.gif

Well put.

This invention is the epitome of practicality!
post #27 of 32

Now put it into floodlight form and use it in stadiums around the world! biggrin.gif

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post #28 of 32
Nice. Like it.

Just imaging this setup with some decent compound pulleys. You could increase the weight of the machine to make the motor either; move slower down the pole and last longer, or make the light shine brighter. As well you could maintain the same weight and machine while making the input force much less.

For example, a compound pulley with a 5:1 mechanical advantage would mean that you only need to pull 5lb's every 30 minutes ( which any computer geek could do), or you could put a 125lb weight on the light so that you only have to pull 25lbs every 2.5 hours. ( more practical for those complainers)

Any which way you put it, this invention in combination with pulleys would really unleash the potential this things has. To the very extreme, we could put a 1000lb weight that you only have to reset every 20 hours (assuming the ratios remain constant) and with a 15:1 mechanical advantage pulley you would only have to pull 67 pounds per 20 hours of light.


In short, This is a great invention and should produce very fruitful ventures with a little more work.
Edited by Acefire - 3/16/13 at 4:19pm
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post #29 of 32
Would be great for camping and setting stuff up at night quick, or in the morning before you get the fire going (depending on where and when you camp). Granted, that's some hardcore camping cause most people are pretty lazy. Me, if I'm camping I'll be up at 6am every morning. something about being out there, I sleep better and wake up instantly with the sun.

The basement idea was brilliant, though it could go anywhere. Want a light to situate yourself before bed that turns off in 30 min? I would find that very useful, you have oodles of practical uses for this and one of it's side effects is amazing too.

Granted, due to lazyness this will probably be something few would buy however I do think they did something neat.
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post #30 of 32
I could see something like this being used alot in Offroading, You could use the same method to charge a battery, It'd take a while but get it done.
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