A6: Team RallyeA6: Team RallyePotable Water StillPotable Water Still

Presented by:Presented by:

Full GroupFull Group

November 15, November 15, 20062006

Project StatusProject Status

Heating and Condensing Systems

Power Generation System

Project StatusProject Status

Operation Position

Storage Position

Design StatusDesign Status

Power (assembled)Power (assembled) Pedals Pedals Intermediate Gears Intermediate Gears Generator Generator

Heat Source (assembled and tested)Heat Source (assembled and tested) Heating bowl Heating bowl Sand Sand Glass container Glass container

Condensing (assembled and tested)Condensing (assembled and tested) Tygon tubing, 2Tygon tubing, 2ndnd glass container (tested glass container (tested

well)well) Intelligence (show-stopper)Intelligence (show-stopper)

Temperature Sensor with DisplayTemperature Sensor with Display WebsiteWebsite

Semester OutlookSemester Outlook

Assignments Prototype Other

19-Sep Trade study proposals submitted Website createdConcept memo submitted

26-Sep Preliminary cost estimation Determine intelligence functionsOrder nichrome wire

3-Oct Order generatorOrder polymerOrder sensorsOrder structural material

10-Oct Trade studies completed Order air pumpOrder pressure valvesProgram microcontroller

17-Oct24-Oct Manufacture polymer Initial CAD Assembly developed

Test heat sourceTest air pump

31-Oct Build structureTest pressure valves

7-Nov Assemble electronics, sensors, valves14-Nov Install components

Test fully operating prototype16-Nov Draft design doc. completed21-Nov Prototype demonstration28-Nov Concept design review5-Dec Design documentation due

!!

Show StopperShow Stopper

IntelligenceIntelligence Temperature sensor needsTemperature sensor needs

Electrical connectionsElectrical connections Computer programmingComputer programming

GeneratorGenerator Output concernsOutput concerns

Action Items Action Items from last weekfrom last week

(Week 12)(Week 12)

-1--1- TASK: Temperature TASK: Temperature

Sensor Set-upSensor Set-up

ACTION:ACTION: Power supply obtained Power supply obtained

(battery and adapter)(battery and adapter) LCD, wires and housing LCD, wires and housing

pieces obtainedpieces obtained Connections from Connections from

microcontroller to microcontroller to temperature sensor temperature sensor and to LCD screen have and to LCD screen have been wiredbeen wired

Programming started, Programming started, not finishednot finished

-2--2- TASK: Finish TASK: Finish

AssemblyAssembly ACTION:ACTION:

Mounted generator Mounted generator on blockon block

Heating element Heating element and condensing and condensing systems mounted systems mounted using HDPE and L-using HDPE and L-bracketsbrackets

-3--3-

TASK: Finish DocumentationTASK: Finish Documentation ACTION:ACTION:

Website overhaulWebsite overhaul Executive SummaryExecutive Summary CCDR presentation developmentCCDR presentation development

Action Items Action Items for this weekfor this week

(Week 13)(Week 13)

-1--1- TASK: Complete Computer ProgrammingTASK: Complete Computer Programming

ACTION:ACTION: Test LCD-to-microcontroller communicationTest LCD-to-microcontroller communication Compile existing draft programCompile existing draft program DebugDebug Final program will use PWM to communicate with Final program will use PWM to communicate with

temperature sensor and display the temperature on the temperature sensor and display the temperature on the LCD screen.LCD screen.

-2--2- TASK: Assemble Electronics and SensorsTASK: Assemble Electronics and Sensors

ACTION:ACTION: Make necessary repairs if LCD test failsMake necessary repairs if LCD test fails Rewire connectionsRewire connections Design mounting systemDesign mounting system Implement mounting systemImplement mounting system

-3--3- TASK: Test PrototypeTASK: Test Prototype

ACTION:ACTION: Observe output voltages producedObserve output voltages produced Observe water temperature changesObserve water temperature changes Observe mechanical stabilityObserve mechanical stability Test generator output for Test generator output for

varying rpmvarying rpm

Questions?Questions?