1. EZ-Load Pneumatic Trailer Case Born Advisor: Dr. Junkun Ma ET493 – Senior Design I Fall 2014

2. Motorcycle trailers require ramps Hard for some people to load Some trailers require drop hitches to sit horizontal Fall 2014 INTRODUCTION

3. Utility trailer that is easier to load: – No ramps needed – Deck lowers to ground – Fully Pneumatic Prevents trailer sway – Once raised, trailer will match hitch height Slim profile Fall 2014 OBJECTIVE

4. Fall 2014 CHALLENGES/DESIGN – Cant have solid axle – Hub/trailing arm can withstand sideways forces – Slim deck needs to support 2,000~3,000 lbs – Bump stop to prevent trailer to contact ground in case of failure – Standard trailer hub adapted to custom trailing arm – Main deck that rest on the ground – Fully Pneumatic – Pivoting tongue Needs to keep trailer horizontal at all times

5. DELIVERABLES Fall 2014 MAIN COMPONENTS Part Off The Shelf Part Designed Part SolidworksCOMSOL Bending/Stress Review Trailer Frame XXXX Trailer Deck XXXX Trailer Tongue XX Trailing Arm XXXX HubX XXX Shock Mount XXXX Air Bag Mount XXXX BearingsX X X HardwareX X X

6. TIME LINE Fall 2014 FALL 2014 Completed Proposal and Presentation - October 8, 2014 Completed first design - October 31, 2014 Completed Final Design - November 17, 2014 Complete Calculations - November 26, 2014 Completed fabrication/part drawings - November 1, 2014 Completed final report and presentation - December 1, 2014

7. QUESTIONS? Fall 2014