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BASCO: Hybid Lawn Mower

BASCO: Hybid Lawn Mower. Erfan Ahmad Andrew Bauer Derek Forehand. Topics. Gantt Chart Testing Power Analysis. Gantt Chart. Testing. Tested the electric components for power draw and run time Used back calculation to calculate current draw on components.

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BASCO: Hybid Lawn Mower

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  1. BASCO: Hybid Lawn Mower Erfan Ahmad Andrew Bauer Derek Forehand

  2. Topics • Gantt Chart • Testing • Power Analysis

  3. Gantt Chart

  4. Testing • Tested the electric components for power draw and run time • Used back calculation to calculate current draw on components. • Discussed potential trade-offs between performance and run-time

  5. TestingConditions • Wet thick grass to find a maximum cutting load • “Low load blade” minimum load • “High load blade” maximum load • “On road” minimum trans axel load • “Off road” maximum transaxle load

  6. Testing Facility

  7. Power Analysis • Battery discharge time may be estimated via: • Ex. A 150 A-hr battery with a current load of 35 amps would have a projected run-time of 4 hours and 17 minutes.

  8. Power Analysis Power Analysis • Determine average current draw of components (back calculation) • Plug into the equation • Project run-time of the machine on just battery power

  9. Power Analysis Power Analysis • Battery charge time calculators are available as online tools. • Online Calculator • Useful for determining run-time on fuel for an average day • Cost analysis

  10. Questions

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