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Gasoline direct injection (GDI), also known as petrol direct injection (PDI), [1] is a mixture formation system for internal combustion engines that run on gasoline (petrol), where fuel is injected into the combustion chamber. This is distinct from manifold injection systems, which inject fuel into the intake manifold (inlet manifold).
This article concerns itself with the methanol engines; gasoline-powered model engines are similar to those built for use in string trimmers, chainsaws, and other yard equipment, unless they happen to be purpose-built for aeromodeling use, being especially true for four-stroke gasoline-fueled model engines. Such engines usually use a fuel that ...
The only thing all fuel injection systems have in common is the absence of carburetion. There are two main functional principles of mixture formation systems for internal combustion engines: internal and external. A fuel injection system that uses external mixture formation is called a manifold injection system.
They feature an SOHC head with 2-valves per cylinder, and is fed by a multi-point fuel injection system, which allows it to run on either E100 (pure ethanol) or E25 gasoline (standard in Brazil). Major differences between previous engines include reduced friction, lowered weight, individual coil-near-plug ignition, and a new cylinder head design.
The engine is a six-cylinder four-stroke, horizontally-opposed, 5,254 cc (320.6 cu in) displacement, air-cooled, direct-drive, gasoline engine design. It employs dual electronic ignition and produces 180 to 200 hp (134 to 149 kW) at 3300 rpm.
K – On-demand Atkinson cycle in non-hybrid engines; S – D-4S Gasoline direct injection; T24A-FTS T24A is a 2.4-liter engine, as denoted by the "24" in "T24A" F – Normal cylinder head DOHC; T – Turbocharged; S – D-4S Gasoline direct injection; Some engines don’t share the same displacement as with the one found in the engine code.
The LV7 is the multi-point fuel injection 1.4 L naturally-aspirated variant of the SGE, with a 74 mm × 81.3 mm (2.91 in × 3.20 in) bore and stroke for a total capacity of 1,399 cc (1.4 L). Compression ratio is 10.6:1 and the engine can run on regular unleaded grade gasoline. Assembly is in Changwon, South Korea.
Diesel engines are generally heavier, noisier, and more powerful at lower speeds than gasoline engines. They are also more fuel-efficient in most circumstances and are used in heavy road vehicles, some automobiles (increasingly so for their increased fuel efficiency over gasoline engines), ships, railway locomotives, and light aircraft.
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