pdr: 3/27/08 pinwheel technologies (c3) heather blaha matt fuxa joey king michael mcconnell domenic...
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PDR: 3/27/08PDR: 3/27/08
Pinwheel Technologies (C3)Pinwheel Technologies (C3)Heather BlahaHeather Blaha
Matt FuxaMatt FuxaJoey KingJoey King
Michael McConnellMichael McConnellDomenic TassoniDomenic Tassoni
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OverviewOverview
Vertical-Axis Vertical-Axis Wind TurbineWind Turbine
Interchangeable Interchangeable ShaftShaft
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Last Week’s Action ItemsLast Week’s Action Items
Circuit design and embedded intelligenceCircuit design and embedded intelligence
Decided on ‘slow drain’ circuitDecided on ‘slow drain’ circuitMicrocontroller input will be from ammeter Microcontroller input will be from ammeter
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Last Week’s Action Items ctd.Last Week’s Action Items ctd.
Finish ordering partsOrdered all main componentsMissing: 1 bearing, 1 hand crank, nuts and
bolts
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Current StatusCurrent Status
Step One
Receive all necessary parts
Step Two
?
Step Three
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This Week’s Action ItemsThis Week’s Action Items
‘Step Two’
Finalize circuit logic
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Step TwoStep Two
Order hand crankOrder hand crank24” shaft, 12” square barstock, 6” shaft24” shaft, 12” square barstock, 6” shaftWelded together, pinned to hubWelded together, pinned to hub
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Step Two ctd.Step Two ctd.
Connect hub and shaftConnect hub and shaftMachine flatsMachine flatsDrill hole for clevis pinDrill hole for clevis pin
Mount turbineMount turbineDrill holes in supporting strutsDrill holes in supporting struts
Plan the rest of assembly Plan the rest of assembly process. Execute as feasible.process. Execute as feasible.
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Circuit RequirementsCircuit Requirements
Measure rpms from ammeter input
Alert when generator is operating at unsustainablespeed (max 10 A)
Slow drain battery
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Why not charge the battery?Why not charge the battery?
Not out to prove technical feasibility of charging a battery
Slow drain will prove key deliverablesMechanical functionalityIntelligence capability
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Updated diagramUpdated diagram
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ConclusionConclusion
Can see a tangible product taking shapeCan see a tangible product taking shape
Identify and execute remaining tasksIdentify and execute remaining tasksNext week: 100% identify, execute as much Next week: 100% identify, execute as much
as possibleas possible