Thames & Kosmos Physics Solar Workshop handleiding

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Thames & Kosmos

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Handleiding

Powering an Engine

with the Energy of the Sun

The Solar Module

If you are going to be a solar engineer and make use

of the Sun’s energy, you ﬁrst need a solar cell to con-

vert light into electricity. In your experiment kit, you

will ﬁnd a small solar module (23) with several solar

cells. They are integrated into the black strips located

under the protective layer of plexiglass. If you turn the

module over, you can see the individual

cells quite clearly. Your module is just

like the big ones that you see on

the roofs of houses, except

that it is smaller and can’t

produce as much elec-

tricity.

Your experiment kit includes a battery holder (22)

onto which the solar module is mounted. In the bat-

tery holder, the electrical current is passed on to the

two sockets located on top of it on the left and right.

The electrical cables (20/21) are inserted into these

sockets. One cable is red, and the other is black. So

the battery holder has two functions: it serves as

something to attach the solar module to, as well as

something that connects the electrical cables to the

module. You can connect all kinds of electrical equip-

ment (the technical term is “electrical load”) — most

importantly, the motor — to these cables.

Your New Solar Engine

In our ﬁrst experiment, we will use the Sun’s energy

to drive your kit’s engine and turn a small sprocket

wheel.

Experiment 1

> You will need: parts from the parts list (next

page, upper right)

Instructions

Insert the small gray engine shaft (19) with a small

sprocket wheel (9) mounted on it into the engine

(24). Secure the engine and the solar module (23)

with the battery holder (22) to the base plate (1),

as shown in the photo at the top of the next page.

Then connect the engine and battery holder with the

electrical cables (20/21). The red cable is the positive

The solar module (23)

In order to pass on the power of the Sun, each of your

module’s two brackets has a round metal conductor.

It is through these two terminals that the positive and

negative current produced by the solar cells becomes

usable.

The battery holder (22) isn’t just for mounting the module (23). The

cables that will supply the engine with electricity are also attached to it.

In most of the models, the small engine shaft (19) is inserted into the

solar engine (24) in order to transfer the engine’s power to the model.

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