Homemade TIN CAN ROCKET STOVE. Simple DIY. no special tools required. easy clear directions. This stove is great! Items needed: 3 metal cans, gravel/sand and/or dirt! that's it. only tools i used were a hacksaw, pliers and a drill. powerful stove. wind and rain resistant. can cook full meals using very little fuel (leaves, twigs and small sticks).
Unlike a conventional battery that contains both cathode and anode material, oxygen from the atmosphere is one of the battery reactants and is not packaged within the battery. So a cell can contain more zinc fuel in the anode to provide more capacity, or run time, than a conventional battery. As a result, the MetAir® Ranger PPS has higher energy capacity-to-volume (and weight) ratio than any other commercially available battery.
interesting battery tech. 400$ MetAir Ranger Battery for 192hours. Not clear if you can buy "power cartridge" to change cells within the battery though.
More info from the FAQ:
MetAir® Cells Zinc-air primary batteries offer a long stable shelf life, generally up to three years (before initial use, sealed in the original airtight packaging). Once activated (exposed to air), the MetAir® battery should be completely utilized within three months.
if properly re-sealed to cut-off the air supply, you can slow the discharge rate and re-use the battery again for up to two months, depending on remaining energy capacity.
Zinc-air batteries are safe, eco-friendly, non-toxic, and nonflammable. MetAir cells contain zinc in the anode gel, a non-combustible, non-toxic material. The MetAir batteries contain NO added mercury, lead, lithium, or cadmium.
They are primary (non-rechargeable) cells which can be conveniently used and replaced. Once discharged (completely utilized), the MetAir® Power Cartridge is replaceable and can be disposed of in the normal waste stream
A gadget created by Kristof Retezár, an industrial design student at the University of Applied Arts in Vienna, collects and condenses moisture from the air while a bicycle is in motion. It then fills up a water bottle attached to the bike frame.
great BOV item as water access while on the road can quickly turn out to be an issue
All a user has to do is squirt in a measure of lighter fuel or camping gas, and the company claims you'll be able to refill an iPhone 11 times over. eZelleron is making some big claims about the efficacy, efficiency and safety of its new product, saying that it'll be safe to stash in your pocket and will even be allowed into an aircraft cabin.
Now that's new! Intsead of a battery pack, you pack a generator :)
[When SHTF, will you grab your] brand new Bug Out Bags and quietly walk into the national forest. This is the bug out to the woods strategy that I read about often in comments or on forums.
A pretty interesting reality check. The comments thread is worth checking out too. Now it's time to consider bugging out to a Bug Out Location through thoughtful planning of various routes and scenarii... with survival caches along the way. That takes time but it's
the bow part is very well put and it comes as no surprise that "making your own arrows is really more of a process of assembly than of construction". Making them from scratch is a very complicated process.
I wanted to test the ability to use Google Earth as a navigational tool while under sail. I brought the following tools:
Windows Laptop – some of the tools I used were only available for Windows.Google Earth – just the basic free versionGPS – used a Garmin 60Cx – a nicely featured GPS with color screen and charts. But, a basic Garmin GPS with a serial or USB port would have worked just as well.EarthNC – EarthNC offers very nicely converted digital vector nautical charts for Google Earth (KML format) from the US National Oceanic and Atmospheric Administration (NOAA) – over 600 charts. The EarthNC charts take very good advantage of advanced KML features to present colorful information for the charts (depth contours, buoys, hazrds, etc.) in an eye-pleasing and informative fashion in Google Earth. See my earlier review of EarthNC.GooPs – GooPs provides tools for linking your GPS with Google Earth and drives your view in GE so you can use it for navigation. Even the Pro version only costs US$14.95Franson’s GPSGate – I needed this in order to allow GooPs to think I had my GPS hooked up by serial port instead of the USB. I’m told GooPs will soon have its own ability to handle USB GPS interfaces. I used the 14-day trial version for GPSGate for my review. It worked perfectly.
the goal is here is to put together some shelf stable 800 calories meals for our BOBs. The requirements were that the meals had to be nutritiously balanced and significantly cheaper than MREs. And I wanted the foods to be as close to our ordinary diet as possible so we don’t suffer digestive shock.
The French company Mecanroc has created the Swincar Spider, an extremely nimble and ecological electric car that can tackle all sorts of nature with its unique tilting technology.'Swincar comes to life after many years of research, reflections, testing and developments. We are now ready to share with you our Adventure … and the pleasure of this extraordinary vehicle! Swincar, this electric vehicle with exceptional field skills was developed by reinventing a tilting technology on fully mechanical
Looks like a legit BOV :) I wonder what's the max load capacity on this
If you’ve run out of drinking water during a lakeside camping trip, there’s a simple solution: Break off a branch from the nearest pine tree, peel away the bark, and slowly pour lake water through the stick. The improvised filter should trap any bacteria, producing fresh, uncontaminated water. In fact, an MIT team has discovered that this low-tech filtration system can produce up to four liters of drinking water a day — enough to quench the thirst of a typical person
We did not wait the MIT to test & approve this technique, but it might help spread the word. You shouln't be in a hurry though, it's takes for ever to go through.
And for trail mapping, stars watching, knot making... here is a non-exhaustive-yet-quite-complete guide to ourdoor apps for both iStuff & Droids, some free, some pricy, some online and some offline... enjoy
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