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THE WONDER WHEEL. Claire Fage , Jared Smith, Brittani Perez, Bryan Fly, Rusty Castleberry. Team Members. Left to right: Jared Smith, Claire Fage , Rusty Castleberry, Bryan Fly, Brittani Perez. Initial Ideas. Fan blades out of Coke cans

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Presentation Transcript
the wonder wheel

THE WONDER WHEEL

Claire Fage, Jared Smith, Brittani Perez,

Bryan Fly, Rusty Castleberry

team members
Team Members
  • Left to right:Jared Smith, Claire Fage, Rusty Castleberry, Bryan Fly, Brittani Perez
initial ideas
Initial Ideas
  • Fan blades out of Coke cans
  • The axel would turn a series of gears, which would turn the generator
  • Vertical standing windmill
  • Three bladed fan
  • PVC pipe generator
supply list
Supply List
  • Scrap Wood----Free
  • Balsa Wood----$4.86
  • Copper Wiring----$11.99
  • Wood Glue----Free
  • Dowel Rods----Free
  • Magnets----$5.99
  • Styrofoam Circle----$1.89
  • Electric Tape----Free
design construction
Design / Construction
  • Constructed generator using particle board, copper wire, and magnets
  • Placed a dowel rod through the center of the generator, and than placed the magnets on top of the rod with spacers
  • Constructed a wooden frame from scrap wood to hold the dowel rod in place

Constructed an axel with 5 balsa wooded fan blades, attached them to a circular Styrofoam centerpiece, and attached to the wooden frame

calculations
Calculations

Mass of Fan = 35 grams

Radius = 8 inches

Circumference = 16π

1 meter = 39.37 inches

Ferrite magnet

Charge on the magnet: 3.6C

  • Velocity = (16π) / .2sec = 251.327 in/sec
  • Acceleration = 251.327 / 1sec = 251.327 in/sec² = 6.382 m/sec²
  • F = (.35kg)(6.382 m/sec²) = 2.2343 N
  • P = (Fd)/t = [(2.2343 N)(16π/39.37)] / (1sec) = 2.8526 W
  • Produces.5V = J/C
  • U = ½CV² = ½(3.6 C)(.5)² = .45 J actual
  • U = 2.8526 = ½(3.6)(V)² V possible = 1.259V

.5V x 100 = efficiency

1.259 40% = EFFICIENCY

problems
Problems
  • Generator:
    • Initially used PVC pipe: too thick.
    • Magnet spinning wrong direction.
    • Dimension adjustments due to friction within generator box.
  • Windmill:
    • Fan blades breaking.
    • Styrofoam unstable.
    • Issues with fan blades staying put.
    • Not producing enough voltage to light bulb
  • Solutions:
    • Consulted as a team when problems happened to figure out solutions
    • Remade generator box
    • Double glued the fan blades on
    • Continually tested until we achieved the desired outcome