Second part of a two-course capstone design experience in mechanical engineering. Includes refinement of prototype, design optimization, fabrication, testing, and evaluation. Students orally present the final design and prepare a written report and operation manual for the product. Prerequisites: Requires prereq courses of MCEN 4026, 4043 and 4045 (all min grade C-). Restricted to students with 87-180 credits (Senior, Fifth Year Senior) Mechanical Engineering (MCEN) or General Engr Plus (GEEN-BS) students, with a sub-plan of Mechanical (MEC).