Quick Answer: The Four-Stroke Petrol Engine Model is a 350 mm high hand-crank model whose moving parts show the working stages of a 4-stroke petrol engine, with a small bulb that shows ignition.
Last updated: October 2026
Key Features
Cranking the main shaft by hand actuates all the moving parts
Small bulb shows ignition and lights on the compression stroke
Bulb is activated by 2 x AA batteries, not included
Moving parts include crankshaft, connecting rods, piston, intake/exhaust valves, camshaft and rocker arms
Made of cast alloys and ABS plastic
Height of 350 mm
Technical Specifications
Specification
Value
Engine type
Four-Stroke Petrol
Operation
Hand crank
Ignition indicator
Small bulb, 2 x AA batteries (not included)
Materials
Cast alloys and ABS plastic
Height
350 mm
About This Product
Turning the hand crank drives the internal parts so each stage of the four-stroke firing sequence can be followed. The small bulb lights on the compression stroke to show ignition. AA batteries for the bulb are available separately. Export supply of the Four-Stroke Petrol Engine Model can be arranged to laboratories and schools in Bangladesh, Croatia, Cabo Verde, Italy and Saint Lucia.
Frequently Asked Questions
Q1. Which parts move on the model? Crankshaft, connecting rods, piston, intake/exhaust valves, camshaft, drive gear, timing gear, rocker arms, push rods, throttle valve and float.
Q2. Does the model need batteries? Only for the ignition bulb, which is activated by 2 x AA batteries. The batteries are not included.
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