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mpguino: injector level fuel montoring
[dcb] posted about his work on the mpgduino mpguino. The project uses an arduino with a LCD display to monitor fuel consumption based on vehicle speed and the pulses of the fuel injectors being fired....
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Urine a candidate for energy independence
We thought we were supposed to have fusion-power for our DeLorean by now but it perhaps urine-power is just around the corner instead. [Gerardine Botte] has been working on creating hydrogen from...
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More 555 Projects to Enjoy
We love all of the projects that are coming out for the 555 design contest, so we thought we would share a couple more that have caught our collective eye. Have a 555 project of your own? Be sure to...
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Rocket propellant manufactured from old newspaper
It turns out that old newsprint can be a bit explosive; at least when it’s combined with the proper ingredients. [Markus Bindhammer] worked out a way to make solid rocket propellant from newspaper....
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Hybrid rocket engine uses acrylic as fuel
We are fascinated by the hybrid rocket engine which [Ben Krasnow] built and tested in his shop. It is actually using a hollow cylinder of acrylic as the fuel, with gaseous oxygen as an oxidizer. We’re...
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Briquette press for rocket stove fuel
[Gregory] uses a rocket stove for heating when it’s cold outside. He’s been trying out all kinds of different materials as fuel when the idea of making his own briquettes from waste materials came to...
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Biodiesel equipment hacks
[Oldman] took on a biodiesel project for some friends a few years ago. A fully operational processing rig was never achieved, but he did document some of the successful hacks he came up during the...
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Bluetooth Enabled Fuel Consumption Monitor
[Malebuffy] bought himself a used boat last year. Fuel isn’t exactly cheap where he lives, so he wanted a way to monitor his fuel consumption. He originally looked into purchasing a Flowscan off the...
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Security Problems with Gas Station Automated Tank Gauges
[HD Moore] recently posted an article on Rapid 7’s blog about an interesting security problem. They’ve been doing some research into the security of automated tank gauges (ATGs). These devices are used...
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Simple Fuel Pressure Alarm Averts Diesel Disaster
If you could spend a couple of bucks on a simple project that might prevent a $2000 repair bill on your vehicle, you’d probably build it, right? That’s the idea behind this simple low-pressure alarm...
View ArticleCheap and Easy Emergency Butane Stove
Homemade stoves are a very popular hack, you can find a zillion videos on YouTube, mostly on alcohol stoves, and they work great. Less common are butane fueled stoves, but [Thomas Kim] has uploaded a...
View Article3D Printed Jet Engine
In specific applications, jet engines are often the most efficient internal combustion engines available. Not just for airplanes, but for anything that needs to run on a wide variety of fuels, operate...
View ArticleA Jet Engine On A Bike. What’s The Worst That Could Happen?
On today’s edition of ‘don’t try this at home,’ we’re transported to Russia to see [Igor Negoda]’s working jet bicycle. This standard mountain bike comes equipped with a jet engine capable of 18kg of...
View ArticleTrike with Water-Rocket Engine
Many of us made soda bottle rockets for science class. Some of us didn’t have that opportunity, and made them in the backyard because that’s what cool kids do. Water rockets work on the premise that if...
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Lazy Hacker Checks Fuel System for Leaks, The Easy Way
Old cars are great. They represent a different time, reflecting the state of society at the point of their design and manufacture, and can charm and delight while also providing useful transport....
View ArticleMicro Chainsaw Gets a Much Needed Nitro Power Boost
When life hands you the world’s smallest chainsaw, what’s there to do except make it even more ridiculous? That’s what [JohnnyQ90] did when he heavily modified a mini-electric chainsaw with a powerful...
View ArticlePlasma-Powered Thrusters For Your Homebrew Satellite Needs
It seems as though every week we see something that clearly shows we’re living in the future. The components we routinely incorporate into our projects would have seemed like science fiction only a few...
View ArticleAzobenzene Stores Solar Energy
Probably the most efficient way to convert solar energy into electricity is the old fashioned way, heating water into steam and turning a turbine. This remains a messy affair though and you don’t...
View ArticleFail of the Week: How Not to Watercool a PC
To those who choose to overclock their PCs, it’s often a “no expense spared” deal. Fancy heat sinks, complicated liquid cooling setups, and cool clear cases to show off all the expensive guts are all...
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Tech Hidden in Plain Sight: Gas Pumps
Ask someone who isn’t technically inclined how a TV signal works or how a cell phone works, or even how a two-way switch in a hall light works and you are likely to get either a blank stare or a wildly...
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