Quick Answer:The Big Solar Fan Model is a large demonstration model in which a solar panel drives a permanent-magnet DC motor and multi-blade fan. The panel tilt can be adjusted to show how the angle of the light changes the fan speed.
Last updated: 18 October 2026
Key Features
Oversized solar panel for visibility in class.
Low-inertia, high-torque permanent-magnet DC motor.
Balanced multi-blade fan.
Adjustable panel tilt for angle-of-incidence studies.
UV-stabilised polymer with non-corrosive metal supports.
Technical Specifications
Specification
Value
Power source
Photovoltaic solar module
Motor
Permanent magnet DC
Fan
Balanced multi-blade propeller
Mounting
Stable platform, adjustable panel tilt
Materials
UV-stabilised polymer, non-corrosive metal supports
How It Is Used
Placed in sunlight or under a lamp, the panel powers the motor and the fan turns. Tilting the panel or reducing the light shows the fan slowing, linking light intensity and angle to the mechanical output of a solar-powered device.
Frequently Asked Questions
Can the panel angle of the Big Solar Fan Model be changed?
Yes. The panel tilt is adjustable, so the effect of the angle of incidence on fan speed can be studied.