Breakthrough
Features
You might regard them as the bane of your life on the road. But that doesn’t stop them being absolutely incredible, says David Twohig
Features
As chief engineer for the Alpine A110, David Twohig knows a thing or two about this technology, but only because two others pioneered it first
Features
It’s considered the most modern of materials, so how surprised would you be to learn it dates back to the ’60s? The 1860s that is… David Twohig has the story
Features
We all love a good manual gearbox. But whether we still would without this fiendishly clever invention is another question altogether says David Twohig
Features
Back by popular demand, David Twohig descends even deeper into the wild and wacky world of cylinder head wizardry. Don’t say you weren’t warned
Features
More air into a cylinder and a greater volume of exhaust gas out means more power. Hurrah! David Twohig explains how double overhead cams came to be
Features
In part one of this feature about valvetrain development, David Twohig explains the importance and origins of the overhead camshaft
Features
How two British dentists dreamt up this life-saving innovation more than a century ago. David Twohig tells the tale of the airbag