RaymondLi
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Water-propelled jetpack is no dream, can be yours for $99,500 this March (video)
It's taken a long time since that 2005 patent was filed for, but Raymond Li is now finally ready to bring his water-propelled jetpack to the money-spending world. Nailing down a March 2011 launch date and a price of $99,500 hasn't been easy for the inventor, who says his efforts to procure capital and prototyping quotations were mostly met with incredulity -- "almost everyone thought I was crazy." His JetLev personal transporter relies on an engine and fuel tank (which remain on the water's surface) to pump H20 into a backpack that then shoots out streams of the drinkable stuff to keep your airborne. Top speed is 22MPH, max height is nearly 33 feet, and the fun factor is somewhere off the scale, whether you're talking metric or imperial. Levitate past the break for a video demonstration. [Thanks, Suraj]
New jet-pack patent propels with water
Sure, we all love jet packs. Who doesn't enjoy strapping a gigantic tube of highly flammable fuel to their back and igniting it so it can propel you hundreds of feet into the air? Well, an inventor named Raymond Li has a different idea, one which he's just managed to patent: a water-propelled rocket pack. The new design would use a system of conduits which route pressure to independently pivoting thrust nozzles, while the actual engine, pump, and dangerous gases remain floating on water in a self-contained, buoyant package. It's somewhat unclear if you'll be able to rocket over land using this device (the fact that the engine is water-based would suggest no), though it is an interesting development for jet-pack enthusiasts.[Via Wired]
