MAE 477 Final Project

Fall 2010

Norbert Ogiba

Engine Fundamentals

Competitors

Purpose for redesign?

Make Model Engine Size Redline Piston Speed (ft/min) Bore Stroke

Redline/Piston Speed

Ratio

Honda Civic Si K20A2 2.0L 8000 4450.33 3.38" 3.38" 1.775149259

Toyota Celica GTS 2ZZ-GE 1.8L 8100 4522.5 3.23" 3.35" 1.791044776

Acura Integra GSR B18C 1.8L 8200 4687.67 3.19" 3.43" 1.749269893

Nissan Sentra SE-R QR25DE 2.5L 6250 4527.56 3.5" 3.94" 1.380434495

Stock

Exotic

Materials

Redesign of Stock

Parts

Redline 6250 7800 7000

Con-Rod Strength 1 3 2

Weight 3 1 2

Price 3 1 2

Rod/Stroke Ratio 1 1 3

Points 8 7 9

(1 point given for low score, 2 for average score, 3 points for a high score in a category)

Animations

Properties Stock Redesign % Change

Speed (mm/s) 34796 28773 -17.3

Acceleration (mm/s^2) 15278712 13582453 -11.1

Rod/Stroke Ratio 1.43 2.037 +29.8

Stress (MPa) 22.28 21.2 -4.9

Dimension availability

Complexity of assembly

Animation of Final Product