Certain propeller driven aeroplanes are equipped with piston engines whose fundamental "firing"-frequency coincides with the rotational frequency of the propeller. Taking the two sources as a system ...

The effects of the ground on propeller noise have now been measured experimentally. The effects of the ground on propeller noise have been measured experimentally for the very first time by ...

The project utilizes the Tini2138 module in order to create an airplane sound generator system which illustrates the speed of the propeller being proportional to the pitch of the engine sound. The ...

Swiss aerospace firm Ruag is offering Hindustan Aeronautics the opportunity to perform engine and propeller upgrades for India's Do228 aircraft. India is a major operator of the twin-engined turboprop ...