Development of a Single Cylinder Engine Package for Formula SAE Applications

Timms, Mitchell (2013). Development of a Single Cylinder Engine Package for Formula SAE Applications Honours Thesis, School of Engineering, The University of Queensland.

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Author Timms, Mitchell
Thesis Title Development of a Single Cylinder Engine Package for Formula SAE Applications
School, Centre or Institute School of Engineering
Institution The University of Queensland
Publication date 2013
Thesis type Honours Thesis
Supervisor Bo Feng
Total pages 94
Language eng
Subjects 0913 Mechanical Engineering
Formatted abstract
The Formula SAE (FSAE) competition rules allow for a vast array of concepts developed by university teams to be competitive. Recent years of competition have seen cars utilising both single and multi-cylinder engine systems, space frame & monocoque chassis construction methods and various aerodynamic package designs take victory. Monash University won the 2011 and 2012 FSAE Australasia competitions utilising a single cylinder engine, whilst the same team won the previous two competitions utilising a four cylinder unit (SAE Australasia, 2012) – demonstrating that if well developed, a wide scope of possible engine packages can be competitively used.

A suitable design for a single cylinder FSAE-specification engine package has been developed, based upon a 2005 KTM 450SX motocross bike motor. This specified design comprises the intake system (including bellmouth, throttle body, restrictor, plenum chamber & intake runners) and exhaust system, tuned for optimum performance across a 4,000 rpm range of engine speeds (4,000 rpm – 8,000 rpm). Ancillary systems for the single cylinder enging package, including the cooling, oil/lubrication, electrical and packaging (ancillary) system are discussed.

Through Ricardo WAVE and Optimum Lap simulation, the developed engine package was compared to the performance of UQR’s existing Honda 4-cylinder engine, with the improved fuel economy, drivability & reduced mass of the single cylinder engine contributing to an estimated net gain of 11.378 Formula SAE competition points being scored from the Endurance/Economy events alone, despite the single cylinder car sacrificing 0.03 seconds per lap of speed to the current four cylinder car.
Keyword Formula SAE Applications

Document type: Thesis
Collection: UQ Theses (non-RHD) - UQ staff and students only
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Created: Thu, 10 Dec 2015, 15:37:53 EST by Asma Asrar Qureshi on behalf of Scholarly Communication and Digitisation Service