Human-Powered Human-Powered Potable Water StillPotable Water Still

A2A2Nate BarberaNate BarberaKatie KimarKatie KimarRyan ReisRyan Reis

Connie SlabochConnie Slaboch

Status of DesignStatus of Design

Friction

Generator

Status of DesignStatus of DesignTarget MarketTarget Market

Emergency situationEmergency situation

2 Target Groups2 Target Groups Individuals/small familiesIndividuals/small families Emergency companiesEmergency companies

• Red Cross, FEMA, National GuardRed Cross, FEMA, National Guard

Status of DesignStatus of DesignDesign RequirementsDesign Requirements

RequirementRequirement MinimumMinimum TargetTarget

Volume of HVolume of H220 0

Production in Production in 30 minutes30 minutes

200 mL200 mL 500 mL500 mL

Energy OutputEnergy Output 58 kJ58 kJ MaxMax

Number of usesNumber of uses 2020 3535

Status of DesignStatus of DesignDesign RequirementsDesign Requirements

RequirementRequirement TargetTarget MaximumMaximum

SizeSize L + G L + G ≤ 2.1 m≤ 2.1 m L + G L + G ≤ 4.2 m≤ 4.2 m

WeightWeight 20 lbs20 lbs 40 lbs40 lbs

Assembly TimeAssembly Time 5 min5 min 10 min10 min

Run TimeRun Time 20 min20 min 30 min30 min

Water Quality Water Quality (SG)(SG) 1.001.00 1.011.01

Status of DesignStatus of DesignDesign RequirementsDesign Requirements

CostCost Number of partsNumber of parts Energy inputEnergy input LifetimeLifetime

Last Week’s ItemsLast Week’s Items

Feasibility of heating conceptsFeasibility of heating concepts Generator – YES! – Motor donatedGenerator – YES! – Motor donated Friction – YES! – Glass and AluminumFriction – YES! – Glass and Aluminum

Feasibility of vacuumFeasibility of vacuum YES! – Only low vacuum neededYES! – Only low vacuum needed

Design of vacuumDesign of vacuum Condensing coneCondensing cone

Talk to expertsTalk to experts Leon, Dr. Schafer, Electric motor companiesLeon, Dr. Schafer, Electric motor companies Dr. Brownell, Salvage yardsDr. Brownell, Salvage yards

Next Week’s ItemsNext Week’s Items

Decide on heating sourceDecide on heating source Do some experimentsDo some experiments

Find time to evaporate 500 mL of HFind time to evaporate 500 mL of H2200 Test in potTest in pot

Assign Trade StudiesAssign Trade Studies Depend on heating sourceDepend on heating source Begin researching for themBegin researching for them

Show-stoppersShow-stoppers

Unable to generate enough power or heatUnable to generate enough power or heat

Takes too long to evaporateTakes too long to evaporate

ScheduleSchedule

Questions?Questions?