DUKE ENGINE ENDORSEMENTS

OVERVIEW

Throughout its development and testing phases the Duke engine has received many endorsements from eminently qualified engineers, scientists and experts in the field.

ENDORSEMENTS

Conclusions

• Part-load fuel economy is comparable with modern conventional engines …
• Full-load performance is comparable with modern conventional engines without performance enhancing technologies such as cam phasing and switchable intake systems
• Motored engine friction falls within the range of current conventional engines.
• Exhaust temperature at part-load is high compared to conventional engines – this might prove to be an advantage for catalyst light-off in automotive applications…

“ …no technical barriers to using the Duke engine in automotive applications.”
Mahle Powertrain Development Report, 2007/8

“The inventiveness and ingenuity in design and execution to get this far is very impressive. The engine has several major advantages over conventional IC engines such as – power / weight ratio and fuel economy, packaging size, smooth vibration free running with impressive throttle response, no valve train and half the number of injectors and spark plugs.  These advantages have the potential to make the engine extremely desirable to the auto industry today.”
Geoff Martin, ex Engineering Manager Ford Motor Company NZ, 2008

“The Duke engine is continuing to show its initial promise.  It already performs comparably to current engines, without any refinement of detail in porting, timing, or combustion management. There is as yet no limit found to prevent improvement in all of these areas.… The over-riding feature driving the Duke engine is its weight, size, and simplicity advantage over conventional engines.”
Prof. Peter Squires, University of Canterbury, 2008

“… Mahle would be enthusiastic to work as a development partner with Duke on automotive and other market commercialisation.”
Hugh Blaxill, Chief Engineer, R&D, MAHLEPowertrain Ltd., 2010

“…a rare example of a novel engine worthy of advancing tomarket…”
Dr. Mike Fry, Engine Development Expert, Principal Ngenious Ltd. UK,ex Cosworth Head of R&D, 2011

“..I still firmly believe in the ultimate success of the engine,it’s systems and the overall concept…”
Bob McMurray, CEO A1 RacingTeam, NZ, ex McLaren Formula 1

“.. it’s key advantages are weight and packaging;… it will also package very well in hybrid transmission vehicles and with it’s light weight will not have such a serious disadvantage in rear mounted arrangement,, thus opening up a range of design freedoms that are otherwise denied in the industry.……very attractive to the aviation industry…, …real potential for commercial exploitation>’
Prof. J.N. Randle, Automotive Expert, ex Rover/Jaguar, Director Vehicle Engineering, responsible for JaguarXJ6/12, Director/Prof. Automotive Engineering Centre,Univ. of Birmingham, Prof. for Manufacturing Engineering, DeMontford Univ., 2006

“The engine (Duke, sic.) has some significant advantages over designs that are currently in the marketplace including improvements in power density, vibration, knock resistance and component numbers. It also has the potential to bring fuel efficiency benefits, design and integration benefits and cost of ownership benefits.”…
Alistair Hill, Knibb, Gormezano & Partners, 2008

For more Information contact: Ralf Muller ralf@dukeengines.com 
Or John Garvey john@dukeengines.com

Duke Engines Limited PO Box 879
Shortland Street - Auckland 1015
T.+64 021 250 4494

www.dukeengines.com ©Copyright Duke Engines 04.2011

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