Posted in Retrotechtacular Tagged 2-stroke, 4-stroke, coal gas, combustion, diesel, diesel engines, engine theory, fire piston, hot bulb engine, internal combustion engine, Rudolph Diesel ...

Which is cheaper to maintain, a 2-stroke or 4-stroke? This depends on the age of the outboard motor and the number of hours on it. But generally speaking, two-stroke engines are cheaper and easier to ...

Less power and efficiency than a 4 stroke. On a 2 stroke engine, combustion also occurs above the piston, but air and fuel will enter and exit the engine above and below the piston.

Porsche engine tech New 4 + 2-stroke format Examining recent Porsche patents Porsche has filed patents for an engine cycle with two combustion events for every six strokes (or three rotations of ...

Porsche's 6-stroke patent seems to indicate it could eke more power out of an engine Unless you drive an early 2-stroke Saab , your car probably has a 4-stroke engine . But Porsche wants to see if ...

Over the last few years, there’s been a resurgence in the popularity of two-strokes engines, even though competitive riders continue to rely on four-stroke power. So which is preferable?

The 318 Detroit Diesel is a 9.3-liter 2-stroke diesel V8 that made 318 hp, and it was popular for its inherent 2-stroke advantages, such as reversability.

The main difference between the gas-driven 2- and 4-stroke sleds is in how the engine works. A 4-stroke engine goes through four strokes of the piston to complete the combustion cycle, while a 2 ...

Intake, compression, power, then exhaust. Every 4-stroke engine ever made – about 80% of all engines currently in existence – function on this principle – even rotary engines. But now ...

Porsche engine tech New 4 + 2-stroke format Examining recent Porsche patents. Porsche has filed patents for an engine cycle with two combustion events for every six strokes (or three rotations of ...