How Do Electric Wheelchairs Work

Electric wheelchairs are an evolution of the traditional hand-pushed wheelchair/bath chair. They function in much the same way as manual wheelchairs, granting mobility to users over a wide range of terrains and inclines, however they’re selfpropelled, with a motor doing the hard graft. […]

How Cargo Planes Work

Cargo planes – whether used in the private, military or commercial sphere – are fixed-wing vehicles that have usually been designed with haulage in mind or have been converted from standard aircraft. […]

How Does Human-Powered Aircraft Worked

Otto Lilienthal Floats

German inventor, Otto Lilienthal (1848-1896), racked up more than 2,000 flights and built at least 18 different delta planes. He even developed his own artificial hill to take off with his floating rig. He once managed to reach a distance of 250m. […]

How Harley Davidson Engines Work

Harley-Davidson is one of the world’s most famous motorcycle manufacturers. Here we explore the key technology behind some of the company’s latest models.

Harley-Davidson is a manufacturer synonymous with large-engine motorcycles and in 2013 is celebrating its 110th year. With their loud and distinctive two-cylinder engines, notable designs and onus on customization, however, they are arguably viewed as a type of motorcycle in their own right, with the company carving out its own unofficial category within the market. […]

BMW ActiveHybrid 3 Review

Exterior

Bar the badging and standard satin-finish side window trim, the ActiveHybrid 3 looks just like the 335i sedan it is based on. So you get the same beaky nose, classic swept-back profile and 5 Series-aping rear. If you’re a hybrid buyer keen on making a (small) statement, opt for the 18-inch Streamline wheels as fitted to our test car. Exclusively available for ActiveHybrid 3, these lightweight aero-efficient rims add a futuristic edge. […]

Ferrari FF 0-100 Review

The Ferrari FF is more powerful than the mighty Enzo. Utilising the same ginormous 6.3-litre V12 engine as in the F12 Berlinetta – albeit in a less powerful state of tune – it manages to churn out a stupendous 486kW (1kW more than the Enzo but 58kW less than the F12) and a mammoth 683Nm of torque. But what separates the FF from its stable-mates aren’t the peak output figures but rather the bespoke four-wheel drive system.  […]

Porsche 918 Spyder Hybrid

The upcoming 585KW Porsche 918 Spyder can do 325kph, 0-100 in under three seconds and, according to the official figures, emits just 70g/km of CO2 while using just 3.0l/100km. So it’s faster than a Porsche 911 Turbo, more economical than a Prius and emits less carbon than a tiny Peugeot 107. […]

Audi R20 Diesel-Hybrid Supercar

Audi is readying a diesel-hybrid supercar to capitalize on its success at Le Mans. Despite winning the world’s most famous endurance race 11 times in the past 13 years, the record-breaking run of victories hasn’t generated the desired halo effect for the Audi brand. Enter the Audi R20, a street-legal Le Mans racer designed to reaffirm Vorsprung durch Technik. […]