Submarine propeller designs are highly classified due to their critical role in acoustic stealth and survivability.

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 ...

General Electric's latest turboprop engines are things of beauty. The H Series engines—designed for agriculture, business, and commuter planes—aim to be more reliable and require less maintenance than ...