Conference Session

Technical Issues in Architectural Engineering II

Collection

2007 Annual Conference & Exposition

Authors

Frank Yeboah, North Carolina A&T State University; Harmohindar Singh, North Carolina A&T State University; Shamsuddin Ilias, North Carolina A&T State University

Tagged Divisions

Architectural

) models.Suggested Course TextbooksThe authors are of the opinion that this course is better delivered in a team-taught manner, due tothe fact that most of the issues related to bioterrorism in buildings involve several topics orsubjects – HVAC controls, filtrations, chemical and biological agents and their dissemination,building design considerations, decontamination, risk management, economics etc.Consequently, recommending any particular course textbook(s) will be an arduous task just forthe very reasons that the course involves too many issues/topics which are sometimes unrelated,and hence make selecting any particular textbook(s) difficult. That notwithstanding, thefollowing course textbooks (not an exhausted list) can serve as a way forward: 1

Conference Session

International Distance & Service Learning for Engineers- Discussion on Best Practices

Collection

2007 Annual Conference & Exposition

Authors

Keshav Varde, University of Michigan-Dearborn

Tagged Divisions

International

students than the campus students.This was particularly crucial when dealing with technical and math based discussion because oftechnical limitations.References1. Chapman, D. D. (2005), Building an Evaluation Plan for Fully Online Degree Programs.2. Indiana University Report (2004), Technology as a Lever – Developing Guidelines for Good Practice in Education.3. Johnson, S. D., Aragon, S. R., Shaik, N. and Palma-Rivas, N. (2000), Comparative Analysis of Learner Satisfaction and Learning Outcomes in Online and Face-to-Face Learning Environments, J of Interactive Learning Research, 11(1), 29-49.4. Varde, N. and Fogler, H. S. (2002), Asynchronous Learning of Chemical Reaction Engineering, e-Technologies in Engineering Education, ECI Symposium

Conference Session

NSF Grantees Poster Session

Collection

2007 Annual Conference & Exposition

Authors

John Lee, San Jose State University; Stacy Gleixner, San Jose State University; Tai-Ran Hsu, San Jose State University; David Parent, San Jose State University

Mourtos. The class is alsograteful to Dolf van der Heide and Jiahe (Jan) Wang from COMSOL Multiphysics, Mary AnnMaher from SoftMEMS, and Busbee Hardy from MEMSCAP, who each provided a seminarintroduction to their respective services and products. Page 12.831.10Bibliography[1] S. J. Lee, S. Gleixner, D. Parent, and T. R. Hsu, "A Development Framework for Hands-On Laboratory Modules in Microelectromechanical Systems (MEMS) " in Proceedings of the ASEE Annual Meeting 2006, Chicago, IL.[2] N. J. Mourtos, "From learning to talk to learning engineering: Drawing connections across the disciplines," World Transactions on

Conference Session

Assessing Design Coursework II

Collection

2007 Annual Conference & Exposition

Authors

Martin Grimheden, Royal Institute of Technology (KTH)

Tagged Divisions

Design in Engineering Education

further advantages of these courses a setup iscreated where synergy between the capstone and cornerstone courses are utilized. It might be assimple as having students share a coffee machine, but also by having capstone students coachingand mentoring cornerstone students or having cornerstone projects as a subproject of a largercapstone project. All these mechanisms creates an exchange of experiences and knowledgebetween the junior and the more senior students which has proved advantageous for the juniorstudents to better understand their future professional roles.References1. Hagman, L., Norell, M., and Ritzén, S. “Teaching in Integrated Product Development – experiences from project-based learning”. In Proceedings of the International

Conference Session

Computer Tools for Education

Collection

2007 Annual Conference & Exposition

Authors

Jianyu Dong, California State University-Los Angeles; Nancy Warter-Perez, California State University-Los Angeles

Tagged Divisions

Computers in Education

, 2005 0.4 Fall, 2006 0.2 0 ho m e wo rk pro je c t pre s e nt a t io n o v e ra ll Figure 6. Student performance comparison in multiple course tasks in EE442.Nevertheless, we did face some challenges when implementing the CPBL model in the pilotcourses. As with any course re-design, it usually takes several iterations to “work out the kinks.”The biggest challenge is how to balance the instruction time and the time to do in-class projects.It is important that the in-class projects should not take too much instructional time. However

Conference Session

Design for the Environment

Collection

2007 Annual Conference & Exposition

Authors

David McStravick, Rice University

Tagged Divisions

Design in Engineering Education

AC 2007-1688: AC-POWERED BACKPACK PROJECTDavid McStravick, Rice University DAVID MCSTRAVICK received his B. S. and Ph. D. degrees in mechanical engineering from Rice University. He worked in industry for many years in various engineering research positions. He joined Rice University in 1996 and is currently a Professor in the Practice of Mechanical Engineering in the MEMS Department. He teaches in the area of engineering design and his current research interests are in medical product design and in engineering education. Page 12.159.1© American Society for Engineering Education, 2007

Conference Session

NSF Grantees Poster Session

Collection

2007 Annual Conference & Exposition

Authors

Patrick Tebbe, Minnesota State University-Mankato; Stewart Ross, Minnesota State University-Mankato; Sharon Kvamme, Minnesota State University-Mankato; Brian Weninger, Minnesota State University-Mankato; Jess Boardman, Minnesota State University-Mankato

,” Journal of Engineering Education, Vol. 89, No. 4 (2000).4. Felder, R.M., Woods, D.R., Stice, J.E., and Rugarcia, A., “The Future of Engineering Education II. Teaching Methods That Work,” Chem. Engr. Education, Vol. 34, No. 1 (2000).5. Anderson, E.E., Sharma, M.P., and Taraban, R., “Application of Active Learning Techniques to Computer- Based Instruction of Introductory Thermodynamics,” Proceedings of the 2002 American Society for Engineering Education Annual Conference (2002).6. Kellogg, R.S. and Vogel, J., “Engineering Design as a Learning Process,” Proceedings of the 2001 American Society for Engineering Education Annual Conference (2001).7. Shooter, S. and Shooter, C., “Enhancing Design Education by

Conference Session

Emerging Trends in Engineering Education Poster Session

Collection

2007 Annual Conference & Exposition

Authors

Mireille Battikha, Consultant

project (e.g., column, footing, wall, slab) form the coreto which associations of digital entities are made. The associations include the intermediateproducts related to the assemblies, and the activities that shaped them. Figure 1 shows anexample of how images/videos about construction products are associated to some of theircorresponding images/videos about construction activities. Page 12.346.4 Footing Wall Column Slab F-0 W-0 C-0 S-0 F-1 W-1 C-1 S-1 cure finish strip finish

Conference Session

FPD8 -- Introductory Courses

Collection

2007 Annual Conference & Exposition

Authors

Robert Pieri, North Dakota State University; Ghodrat Karami, North Dakota State University

Tagged Divisions

First-Year Programs

e om S le og nc ia H ad

Conference Session

Multidisciplinary Teams

Collection

2007 Annual Conference & Exposition

Authors

Kelly Crittenden, Louisiana Tech University

Tagged Divisions

Multidisciplinary Engineering

Education 2005, 21, (1), 139-150.2. Benedict, B.; Napper, S. A.; Guice, L. K., Restructuring for Strategic Outcomes. Journal of Engineering Education 2000, 89, (2), 237-246.3. Guice, L. K.; Napper, S. A.; Nelson, J. D., Interdisciplinary Administration Supports Interdisciplinary Education and Research. Proceedings of the International Conference on Engineering Education 2003, 2003-216.4. Nelson, J. D.; Napper, S. A.; Elmore, B.; Carpenter, J.; Deese, B., An Integrated Freshman Engineering Curriculum. Frontiers in Education Conference 1998.5. Nelson, J. D.; Napper, S. A., Ramping Up an Integrated Engineering Curriculum to Full Implementation. Proceedings of the Frontiers in Education Conference 1999.6

Conference Session

NAFP Panel Discussion

Collection

2007 Annual Conference & Exposition

Authors

Mohan Aggarwal, Alabama A&M University; Benjamin Penn, NASA/Marshall Space Flight Center; Ravindra Lal, Alabama A&M University

Tagged Divisions

Minorities in Engineering

support staff should be provided to maintain teaching laboratories and researchinfrastructure and there should be a reduction in the requirement for the cumbersomesignature/approval process.For graduate students, at the present time, out-of-state tuition should not be charged to all out-of-state graduate students after one year of residence at the university. Tuition waivers should begiven to all graduate students on assistantship or fellowships. Tuition rules should be similar toother state-supported institutions so Alabama A&M University can recruit and support graduatestudents competitively.Need for more Ph.D.’s in PhysicsWe receive calls and visits from various agencies such as the Coast Guard Academy and otheruniversities such as

Conference Session

Innovations in ECE Education I

Collection

2007 Annual Conference & Exposition

Authors

Dick Blandford, University of Evansville; Deborah Hwang, University of Evansville

Tagged Divisions

Electrical and Computer

Engineering and Computer Science DepartmentAbstractIn the United States, more than 10% of traditional electrical engineering programs havecombined with computer science into a single department 1. Historically computer scienceprograms emerged from mathematics or electrical engineering departments in the mid to late1960's. Since mathematics is not typically in the engineering college many computer scienceprograms developed independently from engineering programs. In the 1970's and early 1980's,with the advent of the microprocessor and embedded computer systems, computer engineeringevolved mostly out of existing electrical engineering programs and has since become a separatediscipline distinct from electrical engineering with

Conference Session

Innovations for the Senior Year of the ME Curriculum

Collection

2007 Annual Conference & Exposition

Authors

Steven Trimble, Arizona State University; Ronald Bengelink, Arizona State University; Valana Wells, Arizona State University

Tagged Divisions

Mechanical Engineering

, she develops and oversees accreditation processes and assessment procedures. Dr. Wells teaches courses in Aerodynamics, Aircraft Design, Rotorcraft Performance, Flight Mechanics, Vibrations, and Acoustics. Page 12.82.1© American Society for Engineering Education, 2007 A New Required Senior Course: The Engineering Profession S. Trimble, R. Bengelink, and V. Wells Department of Mechanical and Aerospace Engineering Ira A. Fulton School of Engineering Arizona State University

Conference Session

Assessment and Evaluation in Engineering Education II

Collection

2007 Annual Conference & Exposition

Authors

Jenefer Husman, Arizona State University; Christa Lynch, Arizona State University; Jonathan Hilpert, Arizona State University; mary ann Duggan, Arizona State University

Tagged Divisions

Educational Research and Methods

sciencesreport doing so due to poor instruction [4]. Accordingly, this line of research has sparked aninterest in improving the quality of education engineering students receive by improvinginstruction through increased understanding of student learning and motivation [3]. From a motivation perspective, some of the most important steps students taketoward a career in science and engineering (S & E) are in choosing the right coursework,experiences, and mentors to get them there. Over the past few years, researchers haveamassed a substantial body of knowledge regarding how students think about their personalfutures. They argue if we want to understand why students choose one career path overanother, and why they choose to persevere or abandon

Conference Session

Contemporary Instrumentation Poster Session

Collection

2007 Annual Conference & Exposition

Authors

Scott Shepard, University of Central Florida

Tagged Divisions

Instrumentation

held in the 1960’s). The promises of nanotechnology are well known andthe potential impact of quantum computers and quantum communication is becoming moreapparent in the public domain. Apart from exposing undergraduates to an important emergingtechnology however – why should quantum communication experiments be integrated intoengineering technology laboratory components at this time?One reason is that it is now time for quantum encryption to be brought into actual/practicalimplementation. This goal is precisely the path a committee at the Los Alamos NationalLaboratory (LANL) has recommended for the primary focus of future funding in the area3. Asthe LANL 'Quantum Information Science and Technology Roadmap' puts it: "... will build on

Conference Session

Design Experiences in Energy Systems

Collection

2007 Annual Conference & Exposition

Authors

Peter Mark Jansson, Rowan University; Ryan Elwell, Rowan University

Tagged Divisions

Energy Conversion and Conservation

andinterconnection information, and calculations for incentive (rebate) request. Two examples ofthese summary designs can be seen in Figures 4 and 5. The estimated size of the system isimportant for many reasons which are related to subsequent feasibility issues: 1) Choosing the Page 12.460.6Figure 4: Initial design for New Public Works Building Figure 5: Initial design for Civic Center Page 12.460.7matching inverter(s) and wiring strategy, 2) application process for the New Jersey Clean EnergyProgram (NJCEP), and 3) calculation of long-term economic benefits.Wiring designThe transmission path

Conference Session

Emerging Technologies in Manufacturing Education - I

Collection

2007 Annual Conference & Exposition

Authors

Zbigniew Czajkiewicz, Robert Morris University; Arif Sirinterlikci, Robert Morris University; Ozden Uslu, Robert Morris University

Tagged Divisions

Manufacturing

Capacities Materials System prices* FDM Stratasys16 8"x8"x12" to ABS, PC, PPSF / $25,000 to 16"x14"x12" PPSU $400,000 SLA 3D Systems, 10"x10"x10" to Photopolymers - $200,000 to F&S17 59"x29.5"x19.7" Epoxy, acrylic $900,000 SLS 3D Systems, 10"x10"x8.5" to Steel, Aluminum, $200,000 to EOS18, F&S 28"x15.2"x22.9" Titanium, $1,000,000

Conference Session

Professional Graduate Education & Industry

Collection

2007 Annual Conference & Exposition

Authors

Donald Keating, University of South Carolina; Thomas Stanford, University of South Carolina; John Bardo, Western Carolina University; Duane Dunlap, Western Carolina University; Stephen Tricamo, New Jersey Institute of Technology; Eugene DeLoatch, Morgan State University; Dennis Depew, Purdue University; Mark Schuver, Purdue University; Gary Bertoline, Purdue University; Albert McHenry, Arizona State University; Timothy Lindquist, Arizona State University; Joseph Tidwell, Boeing Co.; Mark Smith, Rochester Institute of Technology; Raymond Morrison, Lockheed Martin Aeronautics Co.; Harvey Palmer, Rochester Institute of Technology; Norman Egbert; David Quick, Rolls-Royce Corporation; Roger Olson, Rolls-Royce Corporation; Mohammad Noori, California State Polytechnic University; Samuel Truesdale, Rolls-Royce Corporation; Edward Sullivan, California Polytechnic State University; Joseph Rencis, University of Arkansas; Carla Purdy, University of Cincinnati

Tagged Divisions

Graduate Studies

critical element in sustaining competitiveness”… However … “The United States could lose its preeminence in technology unless a new national innovation agenda is developed.” 1 Finding # 2: U.S. engineering progress is essential to U.S. economic competitiveness and national security. Whereas the U.S. Scientific Workforce and the U.S. Engineering Workforce are both vital national resources for the nation’s S&T progress, they serve two distinct purposes. Continuous advancements in basic research [performed primarily at the nation’s research universities] are essential in sustaining U.S. preeminence for the nation’s scientific progress, and continuous

Conference Session

Teaching Emerging Energy Technologies

Collection

2007 Annual Conference & Exposition

Authors

Gene Liao, Wayne State University; Chih-Ping Yeh, Wayne State University; James Sawyer, Macomb Community College

Tagged Divisions

Energy Conversion and Conservation

vehicle markets and missions,” SAE paper 1999-01-2946, 1999.4. Walters, J., Husted, H. and Rajashekara, K.,“Comparative study of hybrid powertrain strategies,” SAE paper 2001-01-2501, 2001.5. Hirose, K., Abe, S. and Killmann, G., “Overview of current and future hybrid technology,” SAE paper 2002-33- 0016, 2002.6. “Hybrid and diesel vehicles expected to represent 11 percent of market share in next seven years,” JD Power and associates, www.jdpower.com, June 28, 2005.7. JD Power and associates, www.jdpower.com, June 2003.8. Denton, K., Goldman, J., Hays, B. and Haytt, C., “2000 University of Maryland FutureTruck design description,” SAE paper 2001-01-0681, 2001.9. Conley, J., Caly, B., Waters, R., Toth

Conference Session

Environmental Engineering Curricula I

Collection

2007 Annual Conference & Exposition

Authors

Xiaoqi Zhang, University of Massachusetts-Lowell; Clifford Bruell, University of Massachusetts-Lowell; Yexin Yin, University of Massachusetts Lowell; Praveen Jayaradu, University of Massachusetts Lowell; Mark Hines, University of Massachusetts Lowell

Tagged Divisions

Environmental Engineering

undergraduate environmentalcurriculum so that students will be exposed to cutting-edge advances in nanotechnology and theirimpact on the environment.Overview of ModulesThree research-based environmental nanotechnology modules have been designed andimplemented. Modules 1 and 3 have been incorporated into an undergraduate levelenvironmental engineering course, and Modules 1 and 2 have been successfully incorporatedinto a senior-level chemistry course. For these modules, we selected two nanomaterials(nanoscale bimetallic iron particles and engineered nanospheres) that may provide solutions tochallenging environmental pollution problems [3]. Table 1 shows a summary of each module andits learning objective(s

Conference Session

Aspirational Visions of Civil Engineering in 2025 & Policy 465

Collection

2007 Annual Conference & Exposition

Authors

Kenneth Fridley, University of Alabama; Richard Anderson, Somat Engineering, Inc.

Tagged Divisions

Civil Engineering

newly-created knowledge of technologies in a traditional or emerging advanced Page 12.258.7 specialized technical area appropriate to civil engineering. (Bloom’s Level 6) Table 2 (continued) P r o f e s s i o n a l O u t c o m e s 19. Communication Plan, compose, and integrate the verbal, written, virtual, and graphical communication of a project to technical and non-technical audiences. (Bloom’s Level 5) 20. History and heritage Explain

Conference Session

MIND - Poster Session

Collection

2007 Annual Conference & Exposition

Authors

Linda Shaykhian, NASA; Gholam Ali Shaykhian, NASA

Tagged Divisions

Minorities in Engineering

., Jeffrey, K., An Interactive Computer-Based Tutorial for MATLAB, 30th ASEE/IEEE Frontiers in Education Conference, October 18-21, 2000. Page 12.858.95. Wirth, M., Kovesi, P., MATLAB as an Introductory Programming Language, 2006 Wiley Periodicals Inc.6. Teaching Problem-Solving Skills, Prepared for the TRACE Workshop, “Teaching Problem-Solving Skills,” June 17, 2003.7. Navaee, S., Das, N., Utilization of MATLAB in Structural Analysis, Proceedings of the 2002 ASEE/SEFI/TUB Colloquium.8. Wikipedia encyclopedia, http://en.wikipedia.org/wiki/Dynamically_typed_language.9. Sen, S., and Shaykhian, G. Scope of various

Conference Session

Scientific Literature and Data: Proliferation, Storage, and Open Access

Collection

2007 Annual Conference & Exposition

Authors

Amy Stout, Massachusetts Institute of Technology; Anne Graham, Massachusetts Institute of Technology

Tagged Divisions

Engineering Libraries

short with respect to data. OpenAccess, a movement that originally addressed publications like books and journalarticles, has evolved to include data. Librarians at MIT conducted an experiment in 2005-2006 that underscored the issues of management and dissemination. The knowledgegathered from the results of this experiment informed them of how to strengthen librarianservices to academic communities. In its fledgling stages, data storage and disseminationare ripe to mature in the upcoming years. Such an evolution is crucial to science. Afterall, as renowned physiologist Claude Bernard said, “Art is I; science is we 27 .”1 Lewis J. Memory Overload. Wired. February, 2003.2 Carlson S. Lost in a Sea of Science Data. Information Technology

Conference Session

Biology and Engineering

Collection

2007 Annual Conference & Exposition

Authors

George Meyer, University of Nebraska-Lincoln; David Jones, University of Nebraska-Lincoln

Tagged Divisions

Biological & Agricultural

Fuzzy Decision-Making, CRC Press, Boca Raton, FL, 1995.4. T. J. Ross, Fuzzy Logic with Engineering Applications, 2nd Edition. McGraw-Hill, Inc., New York, 2005.5. K. Kurata and N. Eguchi, “Machine learning of fuzzy rules for crop management in protected cultivation,” Transactions of the ASAE 33(4), pp. 1360-1368, 1990.6. K. Chao, R. S. Gates, and R. G. Anderson, “Knowledge-based control systems for commercial single stem rose production,” ASAE Paper No. 97-4032, St. Joseph, MI, 1997.7. P. J. Salgado, B. Cunha, and C. Couto, “A fuzzy identification and controller for the agricultural greenhouse,” 7th International Conference on Computers in Agriculture, American Society of Agricultural Engineers, St

Conference Session

Design Experiences in Energy Systems

Collection

2007 Annual Conference & Exposition

Authors

Andrew Lau, Pennsylvania State University

Tagged Divisions

Energy Conversion and Conservation

overarching goals: engage students inlearning and facilitate the transition to college life. In the College of Engineering, we seek toprovide a small class experience that provides them with a meaningful and interestingintroduction into some aspect of engineering practice. Class size is limited to 20 students andnearly all FYS’s are taught by regular faculty members. There are over sixty different seminartopics in engineering; for more information consult the web site at www.engr.psu.edy/fys.The Solar Racers FYS evolved from projects used in a three-credit technical elective on solarenergy taught by the author at Penn State Harrisburg since the 1980’s. It was modeled on thesuccessful middle school initiative, the Junior Solar Sprint 3. Significant

Conference Session

Women, Minorities and the New Engineering Educator

Collection

2007 Annual Conference & Exposition

Authors

Brook Sattler, University of Washington; Jessica Yellin, University of Washington; Yi-Min Huang, University of Washington; Jennifer Turns, University of Washington

Tagged Divisions

New Engineering Educators

included issues related to recruiting and retaining more minorities in engineering. He believedthe service aspect of diversity did not belong in a teaching portfolio because it did not directlyrelate to teaching. His second category referred to ways to handle diverse groups of people in theclassroom. YI104 chose to not include his diversity statement in his teaching portfolio because hedid not like it and felt that diversity was more of a service responsibility, rather than explicitlyrelated to teaching diverse groups.YI104’s diversity views were greatly influenced by a childhood experience. When he was growingup he asked his grandfather if he knew Tagalog and his grandfather responded,‘you’re American, speak English”. This caused YI104 to treat

Conference Session

Enhancing K-12 Mathematics Education with Engineering

Collection

2007 Annual Conference & Exposition

Authors

Donna Diaz, Clemson University; Pam King, Clemson University

Tagged Divisions

K-12 & Pre-College Engineering

7 1 .3 2005 70 65 60 55 50 Sch o o l A Sch o o l B Sch o o l C Schoo l D S o u t h C a r o li n a Page 12.175.9 Schools A

Conference Session

Innovations in Teaching and Learning

Collection

2007 Annual Conference & Exposition

Authors

Michael Collura, University of New Haven; Samuel Daniels, University of New Haven; Jean Nocito-Gobel, University of New Haven; W. David Harding, University of New Haven

Tagged Divisions

Educational Research and Methods

University of New Haven Faculty, Madison, CT, March, 2003. See NSF Engineering Coalitions Website: http://www.foundationcoalition.org/home/keycomponents/firstyearcurriculum.html http://www.foundationcoalition.org/home/sophomore/index.html6. Collura, M., Daniels, S., Nocito-Gobel, J., Aliane, B, Development of a MultiDisciplinary Engineering Foundation Spiral, ASEE 2004 Annual Conference, Curricular Change Issues, session 26307. Collura, M.A. A Multidisciplinary, Spiral Curricular Foundation for Engineering Programs., NSF Department-Level Reform Planning Grant, EEC-0343077, $99,928 August 14, 2003.8. Bruner, J., Toward a Theory of Instruction, Cambridge, MA, Harvard University Press, 1966.9

Conference Session

Design of Lab Experiments II

Collection

2007 Annual Conference & Exposition

Authors

Gerald Recktenwald, Portland State University; Robert Edwards, Pennsylvania State University-Erie

Tagged Divisions

Division Experimentation & Lab-Oriented Studies

removed from the toaster. The difference incooling behavior of the two metal toast samples is because the black toast is a better emitter ofradiation and when the power is cut off, the black toast is much warmer than the inner walls ofthe toaster, and air inside the toaster. The toast experiment presented here is a good in-class demonstration to motivate discussionof radiation heat transfer. After students attend lecture(s) on radiation, they return to thelaboratory for more extensive experimental investigation. Measurements in the follow-upexperiment include (1) comparison of additional surface properties, (2) use of thermocoupleswith radiation shields to measure the air temperature inside the toaster, (3) investigation ofcooling in different

Conference Session

Programming for Engineering Students

Collection

2007 Annual Conference & Exposition

Authors

Brianno Coller, Northern Illinois University

Tagged Divisions

Computers in Education

. Page 12.840.104.2.4 Determining Shift Points Given the discussion above, one can, in principle, use the nakedeye to read the shift points off the acceleration vs. speed curves shown in Figure 5. However, first gear (a) (b) acceleration (m/s 2 ) acceleration (m/s 2 ) second gear 6 6 third gear 4 fourth gear