Much like discussing religion and politics at a backyard BBQ, bringing up the debate of whether a 2-stroke dirt bike is faster than a 4-stroke is like asking if Ford is better than Chevy. Fortunately, ...

SAE Transactions, Vol. 83, Section 3: 740525–740863 (1974), pp. 2702-2721 (20 pages) The performance characteristics of naturally aspirated 4-stroke cycle engines are influenced by the through-flow or ...

Combustion in a diesel engine during cold starting under normal and border-line conditions was investigated. Experiments were conducted on a single cylinder, air-cooled, 4-stroke-cycle engine in a ...

Wärtsilä’s 4-stroke engine-based solution for ammonia fuel now delivers higher than ever levels of efficiency and performance. Following its introduction to the commercial marine sector in November ...

If you’re shopping for a new fishing boat or an outboard motor to power it, one of the decisions you’ll have to make is between a 2 stroke vs 4 stroke engine. Unless you’re going electric, this choice ...

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 has ...