4. Measuring and testing
  5. Wind tunnel: aerodynamic wing and propeller study

John M. Maris

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Method and apparatus for investigating airflow

Communications: electrical – Aircraft alarm or indicating systems – Flight alarm
Patent

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Method of aerodynamic stall-turbulence indication

Measuring and testing – Wind tunnel: aerodynamic wing and propeller study
Patent

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Method of predicting the approaching stall of an aircraft wing

Communications: electrical – Aircraft alarm or indicating systems – Flight alarm
Patent

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Method of predicting the approaching stall of an aircraft wing

Communications: electrical – Aircraft alarm or indicating systems – Flight alarm
Patent

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