1. Market Umbrella ENGR 20 – Mechanics of Materials (Statics) Course Project By: Keiichi McGuire & Matthew Ward

2. Background Purpose/Objective of the Item Justification of Assumptions Graphics Prototypes Leading Up to the State-of-the-Art Item Market Size Sources of Information About Item

3. Graphics

6. Background Purpose/Objective of the Item Justification of Assumptions Graphics Prototypes Leading Up to the State-of-the-Art Item Market Size Patent Claims Sources of Information About Item

7. Materials and Methods Justification of Assumptions about Materials and Methods Consideration of the Materials and Manufacturing Methods

8. Calculations Justifications of Assumptions Wind Force Calculations Arm Receiving Wind Force Short Arm Bottom Collar Top Collar Pulley System Pole Concluding Calculations

9. Calculations

19. Discussion Pros and Cons of the Designs Competitive Options Anticipated Failure Modes and Life Expectancy Suggested Design Improvements

20. Conclusions

21. References http://www.fibersource.com/f-tutor/polyester.htm This website offered material information on polyester. http://www.fibersource.com/f-tutor/polyester.htm http://www.IndiaMART.com This site was useful in obtaining information regarding the manufacturing process of tarpaulins. http://www.IndiaMART.com epejack@uop.edu- Professor, 102 Khoury Hall, 209-946-3082 epejack@uop.edu- Contact information for Dr. Edwin Pejack. Dr. Pejack was helpful in securing information on modeling equivalent wind forces. rainseal@bom5.vsnl.net.in- 101 Mohan Palace, TPS-III, 57th Road, Mumbai, Maharashtra - 400 092 (INDIA) Contact information for Mr. Harish Agarwal. Mr. Agarwal provided the group concerning the lifetime of the tarpaulins via e-mail. rainseal@bom5.vsnl.net.in Patent 4,567,907 – Patent information regarding an umbrella having an easily operated pulley means for opening and closing the same. Bodig, Jozsef & Jayne A., Benjamin. Mechanics of Wood and Wood Composites. New York: Van Nostrand Reinhold Company, 1982. This book was used to find information on wood mechanics. Schodek L., Daniel. Structures. New Jersey: Prentice Hall, 1998. This text book was used to obtain equations and knowledge to acquire wind force information. kschulz@uop.edu- Associate Professor, 110 Khoury Hall, 209-946-3081kschulz@uop.edu Contact information for Dr. Kurt Schulz. Dr. Schulz was helpful in obtaining information on wind loads.