But it also means that mixing the fuel and air can be tricky, which is why diesel engines have specially-shaped pistons. A diesel engine's piston head looks like someone took a scoop out of the top.

The production of truck engine pistons begins with raw metal casting, followed by precise shaping and machining to ensure durability and performance. Skilled factory workers employ advanced ...

But the basic idea of getting rid of all the reciprocating bits of a normal engine – pistons, con-rods, valves – and replacing them with a design that does the same suck-squeeze-bang-blow sequence ...

Industry associations warn that a pending judicial action in California could prematurely force fuel suppliers to provide an unleaded avgas for piston-engine aircraft that does not have industry ...

thus allowing for stowed luggage and carry-on items. In the case of piston-engine airplanes, we assume each occupant weighs 170 lb. There is no 30-lb. luggage allowance for piston-engine airplanes.

Featuring major recent upgrades completed in 2025 and only 2 owners since new. Highlights include a factory-new engine, new parachute & rocket, seat inflators, pilot and co-pilot seat impact honeycomb ...

In this video, I take on an exciting engineering challenge: combining two internal combustion engines into a single opposed-piston engine. This unique project improves balance, reduces vibrations ...