3b-scientific Four-Stroke Engine, Transparent User Manual download pdf

3B SCIENTIFIC

PHYSICS

3B Scientific GmbH ▪ Rudorffweg 8 ▪ 21031 Hamburg ▪ Germany ▪ www.3bscientific.com

Subject to technical amendments

Four-Stroke Engine, Transparent 1002995

Instruction sheet

04/12 JS

1 Outlet

2 Spark plug

3 Inlet

4 Piston

5 Combustion chamber

6 Valve control

7 Crank shaft

1. Description

A four-stroke engine (or Otto engine) is a kind of

internal combustion engine which requires four

strokes to operate, whereby the combustible

mixture of air and fuel is ignited by a spark plug.

The crankshaft conveys the force and also con-

trols the changes in the gas mixture.

Fig. 1: Working strokes of four-stroke engine

(from left to right):

Intake, compression, ignition (power), exhaust

2. Operation

Additionally recommended:

Overhead Projector (230 V, 50/60 Hz) 1003264

Overhead Projector (115 V, 50/60 Hz) 1003263

• Lay the transparency on the daylight projec-

tor.

• Move the components by hand to the places

which correspond to the various strokes.

1 2

3B SCIENTIFIC® PHYSICS 3B Scientific GmbH ▪ Rudorffweg 8 ▪ 21031 Hamburg ▪ Germany ▪ www.3bscientific.com Subject to technical amendments © Copyr

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