Fire piston

To illustrate the ignition of the gas-air mixture in a diesel engine, a small amount of cotton wool is ignited by a brief, very strong compression;
Robust acrylic glass cylinder, piston rod with pressure plate, including cotton wool and replacement seals
Stroke height: approx. 90 mm
Pressure plate: D=43 mm
Dimensions: D=66 mm, H=approx. 250 mm
Mass: approx. 164 g