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Alternative Futures 2.1

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Postby sandra » Sat Mar 27, 2010 12:17 am

Oh and I was looking for an article earlier that I read from a Japan company that created a nanoparticle capable of determining paper (document wise) authentication, something along those lines, wish I could find an update on that.

By the way, on that bamboo bike, I wonder what else you could use besides epoxy for bonding. Something more creative like Ive been wondering. I'm a bike fan, but I was looking for an old school banna seat bike, I love those bikes 8-) But it would be a cool project to try and assemble one.
“Living backwards!” Alice repeated in great
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“—but there’s one great advantage in it, that one’s
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— Lewis Carroll, Through the Looking-Glass
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Postby Aquatank » Sat Mar 27, 2010 8:33 am

This is quite a legitimate question you have on the bikes. I sent a friend in Africa the article as well, figuring it may come in handy. But epoxy wasn't my main problem for that continent, after all thats most just a matter of finding the right combination of plant resins which might be local knowledge. My problem is the "dropouts" the integral metal frame joints and other pieces (wheels) which require heavier industry and infrastructure and wondering if there was a way to get around them.
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Postby sandra » Sat Mar 27, 2010 9:05 pm

Well I was taking a peak at some of the bamboo bikes made, and I came along one that I thought would be perfect for me, just my taste, but I would want something different for the wheels and no spokes etc, of course it would have to have a banana seat, and a basket. 8-)

This bike is hot. But I'd have to change a few things.
It would be a fun summer project, and nothing that would be too difficult for me.
I'm not bad at assembling.
http://www.bikemandan.com/blog/wp-content/uploads/2008/04/1694434_2b70y41h3.jpg

Look at this bike- problem is, its not bamboo, and it must be fairly heavy.
But it holds the infastructure.
http://www.jaradite.com/images/2004/wood_bicycle.jpeg
I'd carve out designs in the wheels, miiiiint.
“Living backwards!” Alice repeated in great
astonishment. “I never heard of such a thing!”
“—but there’s one great advantage in it, that one’s
memory works both ways.”
— Lewis Carroll, Through the Looking-Glass
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Postby Aquatank » Sat Mar 27, 2010 10:11 pm

I'm thinking of bicycle wheels more along the line of these provided the right sustainable raw materials are availiable and if it is possible.
http://www.geekologie.com/2009/09/milit ... ith_ai.php

Technically bamboo is stronger than steel in tensile strength ( http://www.newsweek.com/id/131702 ), the next best woods (bamboo is actually a grass) to use would probably be hickory (About x 0.4176022491 steel) or ironbark (About x 0.3683985962 steel) for parts. Most other woods are below x.02.

For Comparisson
Aluminum: x .3333333333
Cast Iron: x 0.525285848

Those numbers come from some light research I did comparing steel to other materials for Rolled Homogenous Armor equivelences. Not super accurate but close enough I think.
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Postby sandra » Sat Mar 27, 2010 10:36 pm

Aquatank wrote:I'm thinking of bicycle wheels more along the line of these provided the right sustainable raw materials are availiable and if it is possible.
http://www.geekologie.com/2009/09/milit ... ith_ai.php


This is something I have seriously thought about for years and years, a better built and longer lasting tire for standard vehicles, and haven't heard anything up until now- whats preventing from manufacturing these airless tires? The article states maybe not for heavier military, but why are they not already in market? One of the issues I see, now what problems could come form that type of spacing?

And I forgot bamboo is a grass. :geek:

Although I don't understand how you would be able to get tires like that on a bike, Aquatank. :mrgreen:
“Living backwards!” Alice repeated in great
astonishment. “I never heard of such a thing!”
“—but there’s one great advantage in it, that one’s
memory works both ways.”
— Lewis Carroll, Through the Looking-Glass
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Postby Aquatank » Sun Mar 28, 2010 6:19 am

The whole concept of airless tires means not needing the cushion tires provide, thusly a simple metal sheath like those used on wagon whhels or the oldest of bikes would work.

But for us in the industrialized world there is this version of an airless tire which works well for bikes and low speed vehicles its a foam tire. http://www.amerityre.com/index.cfm?action=products. or http://www.airfreetires.com/information ... ular.asp#1 lowspeed So perhaps a hickory wheel with foam tires?

So far it looks like Hickory with Bamboo solves many problems but then we get to the chain, crank and cogs, perhaps even the bearings. Perhaps leather, wood, and wood can work there too, and maybe just some animal fat to grease the axles instead of bearings.

the other tire previously mentioned for civilians
http://strangeandcool.net/2007/09/08/se ... lat-tires/
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Postby sandra » Sun Mar 28, 2010 3:28 pm

I want those Michelin tires. Those are sharp looking, but I still wonder about that type of spacing. Why exactly did they choose that type of spacing. Well I know for a bamboo bike I myself wouldn't be as much concerned about speed etc, I want something different looking. Found a manufacturer that sells the bamboo in Pink and White polka dots, or another design with a Zebra stripe banana seat would work too. :mrgreen: I'm not sure anyone would want to cycle with me. I'm trying to figure out cost range- hoping I could have a low consideration of scrap.

One thing about the airless tires for bikes with foam inserts, states if there is puncture to the tire, you can pretty much glue things back in place, that is alot more convenient.
“Living backwards!” Alice repeated in great
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“—but there’s one great advantage in it, that one’s
memory works both ways.”
— Lewis Carroll, Through the Looking-Glass
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Postby Aquatank » Mon Mar 29, 2010 8:19 am

ooooh multidirectional solar panel windows, maybe now those old skyscrapers can do something useful. http://dvice.com/archives/2010/03/take-a-look-tra.php
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Postby Aquatank » Thu Apr 08, 2010 5:59 pm

Hmmm Smarter placement of turbines might make windpower more reliable
http://www.sciencedaily.com/releases/20 ... 152547.htm

Sea based skyscraper/arcology/verticle farm design has advantage over land based versions
http://www.sciencedaily.com/releases/20 ... 152547.htm

cement plants CO2 emission to create algae based bio-fuel
http://www.enn.com/top_stories/article/41185
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Postby rath » Wed Apr 14, 2010 7:00 am

Crap!

Shiit.

Poo Poo.


Humans Have 101 Uses For Human Waste.

Waste Not, Want Not:

Scientists makes meat from poo

The livestock industry is responsible for around 18 percent of global greenhouse gas emissions, due largely in part to emission of methane from the animals. But researchers in Japan may have a solution - that may be a little difficult to stomach.

Recycling Organic human Waste, is cheap .... & effective way to reduce green house gases & pollution over all.

Some companies are making bricks from sewage sludge, too. A French company manufactures Ecobrique that uses sewage sludge to create ceramic building material. The sludge is partially dried and mixed with clay to create bricks or lightweight concrete. They are then fired at kilns to make them hardy and lightweight like conventional building materials.

Making Biogas from Human Waste

http://www.appropedia.org/Making_Biogas ... uman_Waste

http://www.fastonline.org/CD3WD_40/JF/432/24-573.pdf
Last edited by rath on Thu Apr 15, 2010 2:52 am, edited 1 time in total.
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