1. A6: Team Rallye Potable Water Still Presented by: Mike McConnell November 2, 2006 Nicole Del Rey Mike McConnell Tim Rodts Eric Sabelhaus

2. Project Status

4. Design Status Power (…being assembled…) Power (…being assembled…)  Pedals  Intermediate Gears  Generator Heat Source (assembled and tested) Heat Source (assembled and tested)  Heating bowl  Sand  Baby bottle Condensing (assembled and tested) Condensing (assembled and tested)  Tygon tubing, 2 nd baby bottle (tested well) Intelligence (show-stopper) Intelligence (show-stopper)  Temperature Sensor with DisplayWebsite Website

5. Semester Outlook ! In the works

6. Show Stoppers Intelligence Intelligence Temperature sensor needs Temperature sensor needs Electrical connections Electrical connections Water proofing Water proofing Computer programming Computer programming Generator – Sprocket connection Generator – Sprocket connection Purchase a sprocket with set-screw Purchase a sprocket with set-screw Machine a part to interface Machine a part to interface

7. Action Items from last week (Week 10)

8. -1- TASK: Order Bearings for Intermediate Gears TASK: Order Bearings for Intermediate Gears ACTION: ACTION: Obtained gear system from a different bicycle Obtained gear system from a different bicycle Gears already on a rotating shaft Gears already on a rotating shaft Eliminates need to purchase bearings Eliminates need to purchase bearings Gear system has been installed in prototype Gear system has been installed in prototype

9. -2- TASK: Order a coupler to attach the generator shaft to an adjacent shaft which rotates on bearings to absorb radial loads TASK: Order a coupler to attach the generator shaft to an adjacent shaft which rotates on bearings to absorb radial loads ACTION: ACTION: Contacted Windstream Power (generator manufacturer) Contacted Windstream Power (generator manufacturer) Learned that generator can support radial loads Learned that generator can support radial loads Decided to directly drive the generator shaft Decided to directly drive the generator shaft Eliminates need for coupler, 2 additional bearings Eliminates need for coupler, 2 additional bearings

10. -3- TASK: Create CAD models TASK: Create CAD models ACTION: ACTION:

11. Action Items for this week (Week 11)

12. -1- TASK: Prepare Temperature Sensor TASK: Prepare Temperature Sensor ACTION: ACTION: Consult Mr. Brownell to see if current temperature sensors are usable Consult Mr. Brownell to see if current temperature sensors are usable Connect wires to sensor OR order new sensors Connect wires to sensor OR order new sensors Begin programming Begin programming

13. -2- TASK: Create 3-Way Interface TASK: Create 3-Way Interface Generator output wire/Voltmeter leads/Female outlet Generator output wire/Voltmeter leads/Female outlet ACTION: ACTION: Purchase wire caps Purchase wire caps Obtain and cut extension cord Obtain and cut extension cord Attach proper connections Attach proper connections Seal with electrical tape Seal with electrical tape Voltmeter To heating element

14. -3- TASK: Create driveshaft/sprocket interface TASK: Create driveshaft/sprocket interface ACTION: ACTION: Purchase a sprocket with set-screw (Windstream, McMaster- Carr) Purchase a sprocket with set-screw (Windstream, McMaster- Carr) Design and machine any necessary interfacing part Design and machine any necessary interfacing part

15. Questions?