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PDR: 3/27/08. Pinwheel Technologies (C3) Heather Blaha Matt Fuxa Joey King Michael McConnell Domenic Tassoni. Overview. Vertical-Axis Wind Turbine Interchangeable Shaft. Last Week’s Action Items. Circuit design and embedded intelligence Decided on ‘slow drain’ circuit
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PDR: 3/27/08 Pinwheel Technologies (C3) Heather Blaha Matt Fuxa Joey King Michael McConnell Domenic Tassoni
Overview • Vertical-Axis Wind Turbine • Interchangeable Shaft
Last Week’s Action Items • Circuit design and embedded intelligence • Decided on ‘slow drain’ circuit • Microcontroller input will be from ammeter
Finish ordering parts Ordered all main components Missing: 1 bearing, 1 hand crank, nuts and bolts Last Week’s Action Items ctd.
Current Status Step Three Step One Step Two ? Receive all necessary parts
This Week’s Action Items • ‘Step Two’ • Finalize circuit logic
Step Two • Order hand crank • 24” shaft, 12” square barstock, 6” shaft • Welded together, pinned to hub
Step Two ctd. • Connect hub and shaft • Machine flats • Drill hole for clevis pin • Mount turbine • Drill holes in supporting struts • Plan the rest of assembly process. Execute as feasible.
Circuit Requirements • Measure rpms from ammeter input • Alert when generator is operating at unsustainablespeed (max 10 A) • Slow drain battery
Why not charge the battery? • Not out to prove technical feasibility of charging a battery • Slow drain will prove key deliverables • Mechanical functionality • Intelligence capability
Conclusion • Can see a tangible product taking shape • Identify and execute remaining tasks • Next week: 100% identify, execute as much as possible