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How to choose your hobby

Bored? Want to get into something, but not sure what? Lots of people have interests, hobbies, recreations…call it what you will, activities that take up a lot of their time. Many people don’t, and they’re quite happy that way. But there’s lots of others who wish they could find something to do with their time. […]

Why are diesels turbocharged?

The short answer is “because they need it”.  Here’s the long answer, and why. Your internal combustion engine, be it diesel or petrol, draws air in through valves as the piston moves down inside its cylinder.  Then the valves are closed, and the piston moves back up.  A petrol engine creates a compressed mixture of […]

How modern 4X4s should be designed

I’d like to introduce a new concept to the designers of offroad vehicles.  It’s the same one used to design complex IT systems when the consequences of failure cost a lot of money, loss of reputation or even lives.  It’s called graceful degradation, and it’s not that hard. Let’s say you’re designing a high-volume retail […]

Coil suspension or air suspension?

Air or coil suspension? Deciding which new vehicle to buy can be hard enough, and then you have to make a call on the fundamentals such as the engine and transmission before the detailed decisions like trim levels and options. Now there’s another decision to be made and that’s coil or height-adjustable air suspension, this […]

Should you lock your centre diff for offroading?

It’s always interesting to learn new driving techniques and understand different thinking. Any group of people will naturally become a little insular and some techniques may just be accepted unquestioningly as “the way things are done”, with nobody wanting to rock the boat or consider alternatives, and one of the best ways to explore new […]

Quick look at the new Defender

Several readers have been talking about the new Defender, and some have sent photos and video, so I thought I’d share some with the readers. I haven’t yet driven or even seen a Defender so this isn’t a review, but nevertheless should be helpful for prospective owners. Here’s the Defender showings its variable height air-suspension […]