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Yellow enclosed-cabin gyroplane in flight against a clear blue sky

Glossary

What is empty mass?

The mass of the aircraft without fuel, occupants or baggage. Subtracting it from the maximum take-off mass gives what you can actually carry.

Also called Empty weight

That is the whole entry for now. The longer version, with the mechanics and worked examples, is still to be written. See autorotation for how those read once they exist.

All glossary terms