Solar Power Cube v17.10
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The solar power cube is driven by a solar panel to pump hydraulic fluid with the initial purpose of powering an autonomous tractor for agricultural use.
Specifications
Solar Panel
Voltage: 36.1 VDC Amps: 7.76 A Watts: 280 Cells: 72 Dimensions: 77.4in (1,966mm) x 39.4in (1,000mm) x 2in (50mm) Weight: 57.3lb (26kg)
DC Motor and Controller
Power: 500 Watt Voltage: 36 VDC Amps Max: 17.8 Max RPM: 2500 Reversible Brushes and permanent magnets Diameter: 4 1/4" Body Length: 4" Shaft: 23mm x 11.9mm shaft (threaded) Controller: 3.25" x 2.5" x 1.5" Weight: 9 OZ
450W 36 V DC electric motor MY1020z gear reduction Nominal Rated Input Voltage: 36 V Base RPM: 450 Full Load Amps: 16 Current Type: DC Tools and Thick Wire Gear Ratio: 6.67:1 Spraying Water Reversible/Non-Reversible: Reversible link:http://www.ebay.com/itm/450W-36-V-DC-electric-motor-f-bicycle-bike-gokart-scooter-MY1020z-gear-reduction-/162291507158?hash=item25c953dfd6:g:J6YAAOSwiDFYNHRH
Controller: PWM Motor Speed Controls DC 36V DC Gear Motor Speed Controller link:http://www.ebay.com/itm/CCMHC-PWM-Motor-Speed-Controls-DC-12V-24V-36V-40V-DC-Gear-Motor-Speed-Controller-/191850740033?hash=item2cab31f941:g:e68AAOSw14xXFDMF
Hydraulic Power Unit
Power 5 HP 3600 RPM Flow 2 GPM max. Pressure 2500 PSI max. Reservoir 1.1 gallons Shaft 1/2" dia. x 7/8" w/keyway Rotation CW Ports 3/8" NPT pressure Return 3/8" & 3/4" NPT Orientation Vertical Size 10" x 10" x 10" Shpg. 13 lbs.
Hydraulic Motor
31.88 cubic inch / revolution SAE 10 ports SAE 4 case drain
Calculations
Power
Max Input: 280 W / (746 W/HP) = 0.375 HP
RPM input/output
Max motor RPM: 2500 Max Hydraulic Pump RPM: 3600 Max Hydraulic Motor RPM: 240 Estimated Max Wheel RPM: 1
Max Torque input / output
Power Cube Working Document
["https://docs.google.com/spreadsheets/d/1KNVP2O3KogC6jyxMuRALWTxrYjyCJ4ChjeZsJVdqHsg/edit#gid=1"]