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Presentation 3. Group 2 Presenters: Kyle Dick, Anakizi Ackla, and Stefan Swan. Parts List for Hovercraft. Design Analysis. Lightweight Plexi-glass material deck Two low voltage high power blow dryer fans for propulsion fans One blow dryer fan for lift fan
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Presentation3 Group 2 Presenters: Kyle Dick, Anakizi Ackla, and Stefan Swan
Design Analysis • Lightweight Plexi-glass material deck • Two low voltage high power blow dryer fans for propulsion fans • One blow dryer fan for lift fan • Safety enclosure to protect others from fan blades • Ultra thin heavy duty polymer bag as skirt • Set screw bolts to secure the skirt to the deck • Differential sensor
What Has Worked:Many of our predictions of materials to use and methods of how to propel the hovercraft have been successful.
Complete List of What Has Worked • Sealing method has proved to be successful • Drive fans provide enough power to move hovercraft • Lift fan can develop enough pressure to lift hovercraft • Replaceable sealer to prevent leaks (Duct tape) • Differential sensors • Plastic stand to elevate fan off of ground
What Hasn’t Worked:We have experimented with many different types of materials and methods that have proved to be unsuccessful.
Complete list of What Hasn’t Worked • Fan placement • Original fan choice • Quantity of holes and hole placement • Lift initiation problems • Initial solution restricted lift • Running the fans backwards • Light Duty Trash bag • Putting the diodes backwards
Recent Improvements • Relocated fans to the rear of the hovercraft • Made bigger holes to reduce friction • Created plastic stand to allow fan to lift initially • Made holes in plastic stand to allow flow and create lift • Ran the fans forward • Used a Heavy Duty Trash Bag • Set up the diodes in the correct direction
Managing Our Time • We have been keeping up with our weekly meetings where we work on our presentations and any major problems concerning the hovercraft • Continue to meet in class to work on the hovercraft, including skirt and body construction and wiring of the circuit • Finished the construction of deck and skirt as planned • Working on wiring and programming with Robolab
Plans for 5/1/06 • We plan to test some more with the heavy duty garbage bag, but plan on obtaining rubber to make a strong and durable skirt (sealed with bolts) • The programming group will work with Robolab and the RCX to write a program that will help the hovercraft navigate on the track line • Plan to have the placement of the fans and other parts firmly attached to the hovercraft • Test and place the light sensors on the hovercraft • Balance the hovercraft (including the RCX, axial and lift fans, battery supply, and sensors) to ensure proper steerage of the hovercraft
Credits • Justin Hanacek: Helped Create PowerPoint, determined deck and skirt materials • Josh Balsam: Made CAD designs, helped create PowerPoint, determined deck and skirt materials • Stefan Swan: Helped Create PowerPoint, found the necessary fans, Presenter • Smita Patel: Typed PowerPoint,Helped Create PowerPoint, found necessary fans • Justin Coe: Helped Create PowerPoint, helped wire circuits • Kyle Dick: Helped Create PowerPoint, helped wire circuits, Presenter • Anakizi Ackla: Helped Create PowerPoint, found the necessary fans, Presenter • Curtis Sharkey: Helped Create PowerPoint, determined deck and skirt materials