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Old 09-09-2011, 02:54 PM   #1
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HyBoost Focus -- 2.0-L performance from 1.0-L engine

Here is existing technology, demonstrated in a modfied 2009 Focus, that results in and amazing car. (Now, how can I make this mod. on my Focus??)

Excerpts of article:

"Ricardo, Inc., ... today revealed for the first time the HyBoost project vehicle at the Cenex Low Carbon Vehicle 2011 (LCV2011) event hosted at Rockingham, U.K."

"The HyBoost concept is based on a 2009 Ford Focus in which a 2.0L naturally aspirated four-cylinder gasoline engine has been replaced with a 1.0L three-cylinder EcoBoost engine. In implementing this 50 percent downsizing by swept volume, the research team had the objective of delivering zero degradation in driveability, performance or acceleration. This is to be achieved through the use of a combination of technologies including a belt starter-generator to provide regenerative braking and stop/start, exhaust energy recapture through electric turbo-compounding, advanced, cost-effective lead-acid batteries and super-capacitors to provide energy storage, and electric supercharging to provide improved transient response and avoid the pitfalls of turbo-lag that otherwise place a practical limit on the potential for downsizing. A HyBoost demonstrator vehicle, including many of these technologies is being displayed at the LCV2011 event."

"Commenting on first demonstrations of the HyBoost project vehicle, Ricardo chief technology and innovation officer Neville Jackson said: 'The form of 'intelligent electrification' powertrain architecture being evaluated in the HyBoost concept aims to break the previous boundaries of gasoline engine downsizing by implementing a practical mix of technologies aimed at recapturing braking energy and re-using this for supercharging at critical points in the operating envelope. Coupled with well-proven micro-hybridization techniques, HyBoost thus offers the prospect of significantly reduced carbon emissions from a gasoline engine powertrain in a more commercially attractive package than full hybridization, while delivering uncompromised or even better performance. We look forward to sharing the results of this very promising research project in the coming months'."

See: http://www.wsmv.com/story/15411924/r...yboost-project


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Old 09-12-2011, 12:58 PM   #2
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i though ford was going to put this in the fiesta?
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Old 09-12-2011, 09:54 PM   #3
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Ricardo is a top notch consulting firm, but don't misunderstand what they actually did. The project was to lower tail pipe emissions to near zero. That means the engine does not lean burn, which would be a fuel saving measure ... you need equal parts of air and fuel to meet this standard and there is no way around that fact. Thus, 'performance of a 2.0 from a 1.0' translates to the 1.0 using the amount of fuel of a 2.0 because it will ingest near the same amount of fuel.

Basically, it's a technology nightmare and highly impractical. The major limiting factor for fuel economy is vehicle weight.

Consider this:

Toyota Yaris
Curb Weight: 2,300lb (source)
Power: 106hp @ 6,000rpm, 103ft/lb @ 4,300rpm
MPG Estimates: 30 / 38 / 33

HP to weight: 21.7lb/hp, 22.33lb/ft-lb


Ford Fiesta
Curb Weight: 2,537lb (source)
Power: 120hp @ 6,350rpm, 112ft/lb @ 5,000rpm
MPG Estimates: 28 / 37 / 33

HP to Weight: 21.1lb/hp, 22.65lb/ft-lb


Geo Metro XFi
Curb Weight: 1,621lb (source)
Power: 49 @ 4,700rpm, 58 @ 3,300rpm
MPG Estimates: 53 / 58

HP to Weight: 33lb/hp, 27.9lb/ft-lb


Simple proof that you don't need fancy technology riddled crap to get good mileage. You need less vehicle weight.
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