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A stratified charge can allow for slightly higher compression ratios without "knock," and leaner air/fuel ratio than in conventional internal combustion engines. Conventionally, a four-stroke (petrol or gasoline) Otto cycle engine is fueled by drawing a mixture of air and fuel into the combustion chamber during the intake stroke
Air–fuel ratio (AFR) is the mass ratio of air to a solid, liquid, or gaseous fuel present in a combustion process. The combustion may take place in a controlled manner such as in an internal combustion engine or industrial furnace, or may result in an explosion (e.g., a dust explosion),The air–fuel ratio determines whether a mixture is combustible at all, how much energy is being released ...
Ammonium perchlorate composite propellant is a composite propellant, meaning that it has both fuel and oxidizer combined into a homogeneous mixture, in this case with a rubbery binder as part of the fuel. The propellant is most often composed of ammonium perchlorate (AP), an elastomer binder such as hydroxyl-terminated polybutadiene (HTPB) or ...
The engine runs on a mixture of unleaded auto fuel and oil. Producing 45 hp (34 kW) at 5800 rpm, the G-50 competed in the early 1980s ultralight powerplant market against the similar Rotax 447. Production of the engine was completed in the late 1980s and today only used engines and parts are available.
In a piston engine, the static compression ratio ( ) is the ratio between the volume of the cylinder and combustion chamber when the piston is at the bottom of its stroke, and the volume of the combustion chamber when the piston is at the top of its stroke. [ 9] It is therefore calculated by the formula [ 10] where. is the displacement volume.
The Type 73 armored personnel carrier (73式装甲車, nana-san-shiki-soukou-sya) is a tracked armored personnel carrier that entered service with Japan Ground Self-Defense Force in 1973. [ 3] In 1996, the JGSDF adopted the wheeled Type 96 armored personnel carrier to supplement the Type 73 and eventually replace it. [ 4]
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Mini choppers in Ballard, Seattle, Washington, May 20, 2009. Mini Choppers are scaled-down versions of custom-built motorcycles known as choppers. Commercially available Mini Choppers are available from various retailers, some utilizing similar production methods to Minibikes, while others use Scooter, Moped sourced parts/engines.