Machines

Popular Science photographer John Carnett builds a four-wheeler with a screaming Garrett turbine jet engine

Built around a Polaris RZR all-terrain vehicle, John Carnett's homemade machine tops out at just over 60 mph powered by its 87-pound Garrett GTP 30-67 tubine jet engine. The project took Carnett 10 months to build at a cost of more than $15,000.Read More

Jet engine mounted on rails to clear snow from the track switches on CSX's Boston Line in Palmer, Massachusetts.Read More

Hitachi's G1TOWER is the World’s Tallest Elevator Research Tower Scheduled for Completion in April

Hitachi will conduct verification tests on its world's fastest elevator, with a rated speed of 58 feet per second, as well as product development targeting the world's largest high-speed, high-capacity elevator, which will be capable of carrying a five-ton load with a rated speed of 32 feet/sec.Read More

When you live hundres of miles away from the nearest amusement park, you're left with two options: play RollerCoaster Tycoon or build your own backyard roller coaster. These fans picked the latter.Read More

An amazing collection of John Bentley's metal miniature engines and machines (handmade lathe shown below)
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Extreme BBQ Grill: This V8 engine barbecue grill is the envy of every neighborhood

If you think that barbecuing on a stainless steel grill makes you cool, then you just haven’t cooked on a Hot Rod Grill yet. Dressed up as a high performance V8 motor on an engine stand, this grill stands head and shoulders above anything else on the market.Read More

Z Machine fusion could solve the world's energy shortage

Once sparked with a relatively small electrical input, the Z Machine can produce a staggering 290 terawatts of power. That's equivalent to 80 times the world's total power output. Today, that power can only be released in a pulse lasting 70 billionths of a second - but it's a start.Read More

The Hildebrand & Wolfmüller was the world's first two-wheeled motor vehicle to be dubbed a "motorcycle"

An unrestored example of the very first vehicle to which the name ‘motorcycle’ (motorrad in German) was ever applied is to come up for auction in April. The 1895 Hildebrand & Wolfmüller motorcycle sounds like a modern motorcycle in its specification – twin-cylinder, four-valve, water-cooled, 1488cc engine – but it is indeed as unconventional as it is rare.Read More

The Russions don't mess around when it comes to snow removal

This is how Russians melt snow and ice during their intense winters, they strap a Klimov VK-1 jet engine from Mig-15s onto a truck.Read More

This fully articulated, chain-driven 4 x 4 buggy takes rock crawling to a whole new level

4wheeloffroad.com

Rock crawling is about slow-speed, careful and precise driving, and high torque generated through large gear reductions in the vehicles drivetrain. Rock crawlers often drive up, down and across obstacles that would appear impassable - and impossible.

This machine, built by Cameron Carlson, makes current rock crawlers obsolete.Read More