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BASCO: Hybid Lawn Mower. Erfan Ahmad Andrew Bauer Derek Forehand. Design Discussion. Design Goals Design Possibilities Pros/Cons. Gantt. Design Goals. Long Battery Life Speed Control Cut Quality. Design Goals (cont’d). Battery Life Improves Marketability Improves Buyer Range

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basco hybid lawn mower

BASCO: Hybid Lawn Mower

Erfan Ahmad

Andrew Bauer

Derek Forehand

design discussion
Design Discussion
  • Design Goals
  • Design Possibilities
  • Pros/Cons
design goals
Design Goals
  • Long Battery Life
  • Speed Control
  • Cut Quality
design goals cont d
Design Goals (cont’d)
  • Battery Life
    • Improves Marketability
    • Improves Buyer Range
  • Speed Control
    • Improves Mowing Times
    • Measure of Power Transmission
  • Cut Quality
    • Ultimate Selling Point
    • Measure of Power Transmission
design possibilities
Design Possibilities

Gas vs Electric Engines

  • Gas Driven/Electric Blades
  • Electric Driven/Gas Blades
  • Gas Generator/Electric Engine/Electric Blade
design 1 gas driven electric blades
Design 1: Gas Driven/ Electric Blades
  • Gas motor drives the wheels.
  • Electric blade spindle motors.

Pros

  • Eliminate Deck Belt
  • Drivable after Battery Life
  • Larger Decks

Cons

  • Can’t use blades to recharge
  • Load on blades is variable
design 2 electric driven gas blades
Design 2: Electric Driven/Gas Blades
  • Electric motor drives the wheels.
  • Typical deck design off gas engine.

Pros

  • High efficiency gas engine
  • Power generation
  • Better run-time

Cons

  • Deck belt
  • Dead battery = Dead in the water
  • Cost
design 3 gas generator electric motors
Design 3: Gas Generator/Electric Motors
  • Gas motor drives a generator.
  • Electric blade spindle motors and drive motor.

Pros

  • Less Maintenance
  • Efficient gas engine
  • Smaller gas engine than typical mower

Cons

  • More expensive
  • Battery Weight
  • Initial Battery Life
factors conclusions
Factors/Conclusions
  • Other Factors
    • Total System Weight
    • Component Costs
    • Run Time
  • Final Thoughts
    • Gas Driven
    • Electric Driven
    • Generator
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