1. ME 441 Senior Design CUA Hovercraft – Class of 2008-2009 Joe Cochrane, Aldo Glean, James McMahon, Omar Monterrubio, Kalin Petersen Current Status 11/6/08

2. Hull Lift engine Lift fan Skirt Thruster housing Alternator testing Status Overview

3. Hull Location/space debate in McCarthy Need to build a rolling table or cart to assemble hovercraft on Cart built and hull assembled by Thursday 11/13/08

4. Modified current engine mount for facilitated access Investigate and finalize carburetor modification by Tuesday 11/18/08 Lift Engine

5. Impeller model from last year’s hovercraft was determined to be sufficient Ordered on Thursday 10/30/08 Estimated arrival by Wednesday 11/19/08 Lift Fan

6. Skirt Assemble pattern by Tuesday 11/11/08 Trip to Cambridge Canvas & Sail Loft postponed till Friday 11/14/08 due to schedule conflicts

7. All materials have been purchased Galvanized steel (0.01” thick) purchased for housing shroud Construction of housings to be completed by Tuesday 11/18/08 Thruster Housing

8. Test performed on 11/5/08 (see figures) Current engine to alternator pulley ratio of 3.5 to 2.625 Alternator Testing

9. Attempted using a pulley ratio of 5 to 2.625 The belt slipped and the engine stalled because it was loaded down by the alternator Subsequent tests using different alternator ratios with the goal of producing higher output voltage performed by Thursday 11/13/08

10. For more information: http://students.cua.edu/51mcmahon/CUA_Hovercraft_2008_2009/ Questions?