John Wloch Wind-Aid Preliminary Design Review 26 February 2008 Andy CrutchfieldJames Gates Keri MacaulayDavid Rupp

Current Status – On Schedule Project is advancing through theoretical stages Component selection is continuing Results of trade studies have been discussed. Ready to move forward in purchasing components. Ready to move project to practical design stage. Wind-Aid Show Stoppers: None at this time We are on schedule, per group and class project timetables

Last Week Action Items: Combine individual trade study results Blade design (28” blades) 12 V Voltage Regulator 70 lbs on base will withstand 30 mph wind Identify 3 key features prototype will demonstrate Package Requirements (3’x1.5’x1’) Ease of Assembly (1 person, <1 hour) Power Switch Capabilities Wind-Aid Air-X Blades

Wind-Aid 12 V Voltage Regulator*--Power Handling Capability *Windstream Power LLC

Next Week Action Items: Individual Trade Studies Complete formal trade studies Upload to website Order/Acquire components for prototype Generator Blades DC-DC Converter/Voltage Regulator Materials for base and tower Batteries Wind-Aid

Questions?