31 May 2009

How To Escape a Burning Skyscraper

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For $1500 you can soon buy this device, which will allow you to zoom down the side of a 100 story building in perfect safety. High rise safety is anything but guaranteed, and anything that may add to your survival safety margin is worth considering.
Based on the concept of a fishing reel, the device is a simple harness to lower people to the ground, letting the individual plan his own escape, unless he is buckled in the pressure. The user is expected to open a small container, which is to be hooked to some steady anchor, on support of which the user can slip into a one size fits all harness, automatically controlled centrifugal braking to manage the descent.

The device along with the automatic braking system that takes less than four minutes to climb down a 100 story building also has a manual backup brake lever, in case the automatic system fails. California’s Vallejo Fire Department has conducted successful tests of the device, and now Stone is planning to market the Rescue Reel, which will be ready to buy at about $1,500. _Gizmowatch_via_ImpactLab

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04 December 2007

Ultralight Pilots Needed: Quicker, More Economic Disaster Relief

The seeds of Mr. Lishman's invention were sown in 1998, when he watched news coverage of the relief efforts that followed Hurricane Mitch, a sluggish storm that stalled over Central America, killing nearly 11,000 people and leaving more than 8,000 missing. Mr. Lishman noted that it took weeks to get supplies to some areas that were accessible only by air. GlobeandMail
Disaster rescue and relief is expensive work. Remote areas often lack landing strips for large supply craft, and helicopters are incredibly expensive to own, operate, and maintain.
Mr. Lishman is on to a new project - a tiny, skeletal aircraft he hopes will revolutionize the business of disaster relief. Mr. Lishman wants to pack more than a dozen of the little planes into a container that can be flown to areas such as Sudan's Darfur region, where they could be deployed like mechanized hornets, buzzing to hard-hit sites with loads of food and medical supplies.

...Mr. Lishman quickly saw that the helicopter had some key drawbacks when it came to disaster relief. Getting them to the scene was a problem; helicopters are too slow to fly over very long distances, and are too large and complex to break down and pack inside an airplane. They are also extremely costly. The least expensive helicopter on the market (the two-seat Robinson R22) goes for more than $225,000. Most helicopters cost far more.

Helicopters also demand constant, expensive maintenance and a highly skilled pilot. In Canada, a Robinson R22 rents for about $400 an hour, including the pilot, while a larger helicopter, such as the popular Bell JetRanger, costs about $1,000 an hour.

...The rescue trike's key feature is its simplicity: It can be built for little more than the price of a mid-size car, maintained by a shade-tree mechanic, and packed into a box for easy transport. Mr. Lishman said at least 15 of the machines can be loaded into a transport plane, packed inside a steel container.

The transport plane would serve as a delivery system for the Air First Aid team. After landing at the nearest available airstrip, the rescue trikes would be unloaded and assembled. If necessary, the container they arrived in could serve as a shelter for the pilots. The fleet of the ultralights would be loaded with supplies and then head for the disaster scene, guided by an inexpensive GPS unit.
Source

I like the idea. It makes sense on many levels, and In fact, I wouldn't mind flying one of these "trikes" in a relief situation. The biggest drawback is the weather limitations that ultralight aircraft must necessarily respect.

Although these rescue trikes are not supposed to be thought of as "toys," I am putting this post in the "Adventure Toys" category just for the fun of it.

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20 February 2007

Rapid Ascent for Rescue and Assault Teams

As a climber and spelunker, I have reason to utilise "jumar" climbing devices from time to time. But firefighters and military/police assault teams often need to ascend several hundred feet very rapidly--more rapidly than even climbing stairs, much less using jumars. MIT engineering students have developed a rapid ascending device that allows the lifting of a 250 pound weight 30 stories (300 feet ++) at ten feet per second--or about 30 seconds.
The students founded a company, Atlas Devices, based in Cambridge, MA, to commercialize the device, which is about the size of a power drill. Nathan Ball, Atlas's chief technology officer, says that such a device has never been made before because the batteries and motors needed to generate enough power for rapid rope ascents have been bulky and heavy. Atlas's 20-pound machine uses a fast-charging, high-power-density lithium-ion battery made by A123 Systems, based in Watertown, MA. (See "More Powerful Batteries.") To use the device, a soldier or rescue worker wraps a rope around its cylinder and clips it to a harness worn around the waist.
Source.

The next time I find myself several hundred feet down a vertical cave, I will no doubt use jumars to ascend. But I'll be wishing I had something faster.

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