LATEST ARTICLES

Why rims are measured in inches?

Parts of Europeans cars are pretty much always in metric: 10 mm nut, 15 mm diameter hose and so on. After all,...

Iceland has no railways, but it had 3 separate train accidents

Iceland is one of the few countries in Europe that does not have a railway. There were never any train stations, intercity...

What is that little metal plate flapping on tractor’s exhaust?

A lot of tractors, bulldozers and some trucks use exhaust flappers - small metal plates that can be seen and heard flapping...

Why some pressure gauges are filled with liquid?

You may have noticed that some pressure gauges are liquid-filled. These measuring devices are often installed in industrial equipment, hydraulic and other...

Goliath Pionier looks like a cartoon villain’s car, but was very important

Unique does not necessarily mean beautiful. The Goliath Pionier is not necessarily a beautiful car, but it is so unique that it...

Front-hinged and rear-hinged bonnets – why both exist?

Some cars have front-hinged bonnets, but most hoods open towards the rear. What are the advantages and disadvantages of these designs? Why...

No fist-bumps allowed – a peculiar WW2 glove-pistol

Small firearms have one advantage - they are easy to hide. On paper Sedgley OSS .38 was not a very powerful or...

Why Robinson helicopters have such tall rotor masts?

A helicopter flies by and to a great surprise of your friends you immediately identify it as a Robinson. With confidence too,...

Convair Sea Dart was a fighter jet seaplane

Fighter jets are highly capable military aircraft, but their range is actually quite limited. This is what makes aircraft carriers so important...

The shortest double-decker coach in the world is only 9 meters long

Double-decker buses have some disadvantages. A higher center of gravity worsens their stability in corner and some lower bridges is a problem...

Why Volkswagen decided not to make the BlueSport sportscar?

There are many words we could use to describe modern Volkswagen cars – serious, reliable, safe, modern, maybe a bit boring. Of...