Solar Power Cube v17.10
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The latest design is published in FreeCAD below.
This design employs a solar panel to drive a hydraulic pump. Here are the latest updates:
Sept 2017: Part selection complete for solar panel, electric motor, power unit (less drive belt and gears)
Power Cube Working Document: ["https://docs.google.com/spreadsheets/d/1tOpd6turRVkiu3LHZ72o98MZziBLp-kUVRxjHMo1ix0/edit#gid=1"]
Specifications
Solar Panel
36 VDC 7.78 Amps 280 Watts
DC Motor and Controller
500 Watt motor and controller 36 VDC 17.8 Amps Max 2500 RPM Max Reversible Brushes and permanent magnets 4 1/4" Diameter 4" body length 1" shaft (threaded)
Hydraulic Pump
Hydraulic Motor
Calculations
Power input / output
280 W / 746 W/HP = 0.375 HP