Why is Virtual 4 -Stroke the best 1

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Why is Virtual 4 -Stroke the best 1 D Engine Simulator Available: • NEW for 2006: Simulation of load controlled tests. • Fundamental accuracy requiring minimal calibration due to 30 years of R&D and 100 s of published SAE papers. • Powerful parametric design capability. • High level accuracy is maintained even for racing engines at the top of the performance envelope. Major features of VIRTUAL 4 -STROKE Used by over 50 FSAE Teams • • Integrated Database Parametric Engine Design Turbochargers – Fixed & VGT Superchargers 3 -Way Catalysts VVT and VIS Load controlled testing www. optimum-power. com

Geoff Burgess (former VP Engineering, S&S Cycle) Commented: "Using Virtual 4 -stroke(V 4 S) and Automated Design(AD) has changed the way we look at engine design. Not being constrained by the number of prototypes we can build, we can really look at new avenues to find better performance. Not only can we evaluate designs that we might never have tried, but we can also do it unbelievably quickly. On the PSB 60 project we were able to find an extra 15% power using AD for cam and exhaust system design improvements which was critical to make this engine competitive in V-Twin drag racing. " Kevin Kwiatkowski (from Raetech) commented: "OPTIMUM's Automated Design and Network supercomputer enabled us to simultaneously dial in our cam parameters with induction and exhaust configuration. The performance of the best simulated configuration was astonishingly echoed on the dyno, and this confidence in our simulations coupled to the speed of the system, played a major role in winning the National Championship this season". Pete Spence from TRD (former Toyota Racing development) commented: “There is no doubt that the Automated Design Expert System and Virtual 4 -stroke have helped us create better engines faster than ever before, contributing to our success on the track and on the road. " World Headquarters (USA): European Sales Office: 3117 Washington Pike Tel: 412 -257 -9070 Bridgeville, PA 15017 -1496 Fax: 412 -257 -9011 USA P. O. Box 6094, Stewkley Leighton Buzzard LU 7 0 XW United Kingdom Tel: 44 (0) 1525 242130 Fax: 44 (0) 1525 242140 Japanese Office: Fluent Asia Pacific Co. , LTD Tel: 81 -3 -5324 -7306 Nittochi Nishi Shinjuku Bldg. 18 F, Fax: 81 -3 -5324 -7302 Tokyo, 160 -0023, JAPAN URL: http: //www. fluent. co. jp www. optimum-power. com

Simply put, no other simulation tool can accurately model 2 -Stroke engines like VIRTUAL 2 -STROKE! It is is the new benchmark in CAE tools for 2 -Stroke engine performance prediction. Predict: q q Performance Emissions Noise Engine operating characteristics Major features of VIRTUAL 2 -STROKE NEW for 2006: Simulation of load controlled tests. Fully validated scavenge model 2 -Stroke engine components: • Transfer Ports • Reed Valves • Rotary Valves • Power Valves • • • Integrated Database Parametric Engine Design Turbochargers – Fixed & VGT Superchargers 3 -Way Catalysts OPTIMUM Power Technology South Pittsburgh Technology Park 3117 Washington Pike Bridgeville, PA 15017 -1496 Tel: 412 -257 -9070 Fax: 412 -257 -9011 sales@optimum-power. com www. optimum-power. com

Why use VIRTUAL 4 -Stroke or 2 -Stroke (Virtual Engines)? Convenience & Speed • Virtual Engines is a native PC application and is compatible with all current releases of Windows • Engineered by a world-class team of Engine and Software Engineers to use the latest in computer technology • A full RPM sweep on a 2. 0 L 4 -cylinder engine in 2 minutes (3 GHz Pentium 4) • Network Supercomputer support for Automated Designs Flexibility • Comprehensive engine design capability • 4 -Stroke, 2 -Stroke, S. I. and C. I. • Integrated design with other leading software products • FLUENT • STAR-CD • MATLAB/Simulink • MS Excel, Access and SQL Server • Multi-user floating license option using Flex. LM Advanced Post-Processing • View all gas dynamic or thermodynamic parameters (crankangle or time) • Create custom WAV (sound) and AVI (movie) files which can run on any PC • Understand engine performance, make better design decisions and achieve a more optimized solution • Crank-angle and time-based simulation results Support • Full application support with user manuals • Telephone and e-mail (Typical response time < 4 hrs) • Interim maintenance releases via FTP with E-mail notification. • Two days training per year included in License fee (extra training can be offered on request) www. optimum-power. com

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