Skip to main content

Marketplace

By condition

By price

Selling

Buying guide

What to inspect before you transfer a deposit

Rotor head, mast bolt history, and the paperwork that tells you whether the hours are real.

Read the checklist

Manufacturers

Training

Flight Log

Association

Marketplace

All marketplace Factory new Used airframes Kits Project aircraft Under $40k $40k – $80k $80k – $120k $120k – $200k $200k – $300k Over $300k List an aircraft Dealer accounts How we vet listings Financing

Manufacturers

All manufacturers AutoGyro Magni Gyro ELA Aviacion NIKI Rotor Aviation All manufacturers Certified types Kit manufacturers

Training

All training Flight schools Instructors DPEs A&P mechanics Ground school Knowledge quiz Pilot tools Glossary

Flight Log

All flight log Buying 16 Ownership 6 Training 10 Airworthiness 3 Glossary of terms Financing Editorial policy Our contributors

Contact

Become a Founding Member Association Sign in Create an account Editorial policy Accessibility Privacy

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

Glossary

What is the rotor disc?

The circle swept by the turning rotor blades. Much of how a gyroplane handles comes down to how the disc is tilted and how much air is flowing through it.

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