Tuesday, 27 November 2012
Ford 1.0 Ecoboost engine
Ford 1 liter eco boost engine |
ford focus under bonnet |
Ford has announced a 1.0-litre, three-cylinder turbocharged engine for the EcoBoost family developed at Ford's Dunton Technical Centre in the UK. Production is to start in April 2012. The 1.0 comes initially in two versions: 74 kW (101 PS; 99 hp) and 88 to 92 kW (120 to 125 PS; 118 to 123 hp). The more powerful version delivers a maximum of 170 N·m (125 lb·ft) from 1,300–4,500 rpm and 200 N·m (148 lb·ft) on overboost, which makes for a broad torque curve when compared to on-road diesel engines. The engine block is cast iron instead of aluminium for up to 50% faster warm-up, at the expense of additional weight but it is not that heavy even after using cast iron engine just weighs around 250 pounds .Due to natural vibrations of a 3-cylinder design, the flywheel has been deliberately unbalanced to ensure smooth running, without the use of energy sapping balance shafts. The engine also features an internal timing chain, bathed in the engine oil, for long life and greater efficiency. The exhaust manifold is cast into the cylinder head, reducing warm up times and therefore further aiding efficiency. All this is packaged in an engine block the size of an A4 sheet of paper.
The engines are produced in Cologne, Germany, with production to later expand in Craiova, Romania. Production is expected to be 700,000–1,500,000 units per year. The engine is available in Ford Focus, the Ford Focus-based C-MAX and Grand C-MAX, and the Fiesta-based B-Max. Ford has claimed it may be available in the future for the North American markets.
Soon it will be introduced to the Fiesta range, most likely with the arrival of the face lift.
Here are the most unique features of the 1.0-liter EcoBoost petrol Engine:
• Small low-inertia turbocharger which increases torque and performance while minimising the lag in response during the acceleration process
• Variable timing on both intake and exhaust camshafts allowing flexibility to optimise engine efficiency under all conditions
• Offset crank and variable oil pump which increase efficiency and ensure the engine runs at optimum oil pressure across the entire speed range
• High pressure solenoid direct injectors are located centrally providing a much cooler and denser fuel-to-air ratio, leading to more efficient combustion and reduced fuel consumption
• Dual-split cooling system with two thermostats which supports a quicker engine warm up, reduced friction within the engine, lower fuel consumption and less emissions when engine is cold
• Cambelt running in oil reduces noise and also reduces friction leading to fuel savings
• Unbalanced flywheel/pulley. Compact in-line three cylinder engines naturally develop a combined pitch and yaw motion (resulting in a booming noise). Instead of introducing a conventional balance shaft to counteract this, the flywheel and crank pulley are intentionally “unbalanced” to offset the primary engine shaking forces.
In Europe, the 98-horsepower engine is rated at 4.8-liters per 100 km (49 mpg US), while the 123 hp version is said to deliver 5.0 liters per 100 km (47 mpg US). We should point out, however, that those numbers are based on the less strict European test cycle and should drop by as much as 20 percent once US EPA testing is done. CO2 emissions output is rated at 109 grams per kilometer and 114 g/km respectively.
THE VERDICT
Expecting to be underwhelmed, the Ford's new 1.0L EcoBoost engine surprises with power and is a reassuring sign that the return of the 3-cylinder engine won't spell a new era of outrageously underpowered cars. Perfectly suitable in terms of power for the Focus, it's certain to be an even better match in the Fiesta. There's still more to be done in the area of refinement, while perhaps the biggest potential drawback will be Ford's strategy of pricing its EcoBoost offerings above the conventional gasoline ones, meaning those interested in this ultra efficient gasoline engine have to settle for its diesel-like characteristics
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