While a lot of automotive engines have one spark plug per cylinder, the HEMI V8 might have two per cylinder. What is the science behind that?

Aside from a large camshaft, cubic inches, and lots of fuel, compression is the element that allows power to be formed. It’s the massive amount of squeeze being placed on the fuel and air, which in ...

Inlet unstart is a particularly critical issue associated with scramjets. That is the upstream displacement or disgorging of the original inlet shock system. Large flow spillage can be caused by the ...

These tests were conducted jointly by ArianeGroup and DLR and follow on from the hot fire test campaign carried out last year, which validated 14 technological building blocks for future liquid ...

Will joined the TopSpeed team over two and a half years ago, bringing his lifelong automotive passion, writing experience, and editorial expertise along with him. Whether classic or modern, American ...

Innospace says a gas leak led to a combustion chamber rupture that caused the first flight of the Hanbit-Nano rocket to fail, with the South Korean launch newcomer aiming to return to the pad in the ...