Multi-purpose Mechanical Electromagnetic Generator

SACRED HEART SCHOOL – ATENEO DE CEBU
LUX ORIENS. MAGIS.

Multi-purpose Mechanical
Electromagnetic Generator
For Bicycle-Users Efficiency and Safety

February 17, 2012

SCIENCE INVESTIGATORY PROJECT PRESENTATION

PURPOSE
• Promoting the
effectiveness and
usefulness of bicycle
riding

• Promoting health
benefits of bicycle riding


RATIONALE
BENEFITS OF BICYCLE RIDING

- Builds strength and muscle tone
- Builds stamina
-Improves cardio-vascular fitness
-Reduces stress
-Eats up calories

PROBLEM
• What kinds of bulb are suitable for the
headlight?
• How much voltage is needed to generate light?
• How much voltage will pedaling produce?
• What factors will affect the production of light?
• How much speed will be needed in order to
generate light?


RESEARCH METHODOLOGY


A. MATERIALS AND
EQUIPMENT • Bulb and Wires
• DC Motors
• Needle-nose pliers • Lead
• Scissors • Soldering Iron
• Super Glue • Masking Tape
• Electrical Tape • Ammeter
• Cutter • Bike
• Glue Gun • Hammer
• Welding Equipment

B. PROCEDURE
• Collect the materials
• Divide the magnet into 2 not-too-short pieces
• Cut out the base or the whole container
• Connect the magnets in the middle with a metal bar
• Pierce the wooden base with metal bars ( nails were used instead and
make sure the shape is circular )
• Wrap the copper wire around the
• circle
• Connect a wire to the copper wires inside


B. PROCEDURE
• Pierce a hole on one of the sides and attach the light at the other side
of the wire
• Place the magnets in the middle ( pre-attached to a gear )
• Pierce the cover in order for the gear go through
• Attach the gear to the moving parts of the bicycle
• Attach the main magnet to the rope.
• Measure the electricity produced using the ammeter.
• Check the effectiveness of the light at a distance
• Do finishing touches.

PRESENTATION AND ANALYSIS OF DATA
Bar Graph on the Maximum Voltage produced by the Mechanical
Electromagnetic Generator by pedaling in Volts


Bar Graph on the Maximum Current produced by the Mechanical
Electromagnetic Generator by pedaling in Amperes


Chart on the Maximum Voltage (Volts) and Maximum Current (Amperes)
produced by the Mechanical Electromagnetic Generator by pedaling
Maximum Voltage Maximum Current
Kind of Bulb (Volts) (Amperes)

No Bulb (Pure Electricity) 10.5 V 1.12 A

With 12V DC Light Bulb 8V 1.12 A

With 6V Pilot Bulb 2V 1A

6V Pilot Bulb with Switch 1.5 V 1A


SUMMARY, CONCLUSIONS, AND
RECOMMENDATIONS
Summary on the Maximum Voltage (Volts) and Maximum Current (Amperes)
produced by the Mechanical Electromagnetic Generator by pedaling


SUMMARY, CONCLUSIONS, AND RECOMMENDATIONS

Recommendations

• Make another generator that can produce more voltage.
• Improve this generator so that it will be able to generate
enough energy to provide the headlight and taillight of a
bicycle.
• Include a switch for the lights.
• Find a way to store the unused energy when lights are
switched off.


END


Multi-purpose Mechanical Electromagnetic Generator

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