You can notice that there is a small problem here ... Indeed, the dmods chamber is not sealed since there is a gap between the piston and the cylinder! As a result, we lose power or rather in compression, a bit like when we make a notch in a firecracker, the latter explodes much less strongly ...
Something is therefore needed that clogs this gap in order to use to the maximum the force of the combustion, one thus invented the segments. These are wrapped around the piston and act as a sealed wall. By taking a piston by hand, the segments can be pressed, thus showing their flexibility and their ability to adapt to the width of the piston (they move apart a bit like springs until they come up against the wall).
Damaged piston rings cause the engine to lose power (due to loss of compression) but will also generally cause oil consumption. Indeed, the latter should normally remain behind them (at the bottom) to oil the segments which rub against the cylinder (to avoid very rapid wear of the engine) and never enter the combustion chamber. In this case, the oil goes up and burns, which causes the level to drop (logical ...). The symptom of burning oil is the famous blue smoke
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