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Microlight » Aircraft Tech Knowledge » Fuel Contaminants

Fuel Contaminants

The most common contaminant in fuel is water.  

Water can enter tanks through the fuel caps.  

Fuel and the air in the space above it in the tanks, naturally contain a small amount of water. 

A drop in temperature can cause the moisture to condense.

Temperature usually drops overnight so keeping tanks full can help minimise condensation.

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