Heli-Expo 2012: Austrian firm patenting low-noise blade tip
An Austrian helicopter operator is unveiling a blade tip design that its designer claims reduces both noise and improves performance at Heli-Expo 2012 in Dallas.
Walter Enthammer, owner and manager of Salzburg-based Helios Hubchrauber GmbH, has been working on the project known as the SilentEcoWing since 1995. The design aims to reduce the induced drag on the tip of a rotor blade by splitting the airflow from one large vortex into several small vortices.
Enthammer claims that this not only reduces induced drag but also helps to improve performance by making the blades more efficient. Enthammer says that wind tunnel
Already have an account? Log in
Want to keep reading this article?
Read this Article
Get access to this article with a Free Basic Account
- Original curated content, daily across air, land and naval domains
- 2 free stories per week
- Personalised news alerts
- Daily and weekly newsletters
Unlimited Access
Access to all our premium news as a Premium News 365 Member. Corporate subscriptions available.
- Original curated content, daily across air, land and naval domains
- 14-day free trial (cancel at any time)
- Unlimited access to all published premium news
More from Defence Helicopter
-
![Germany to send WS-61 Westland Sea King helicopters to Ukraine]()
Germany to send WS-61 Westland Sea King helicopters to Ukraine
Germany has committed to sending Ukraine six of its 21 retiring WS-61 Westland Sea King multirole, amphibious helicopters.
-
![Boeing secures $271 million to advance modernisation of US Special Operations' MH-47G Chinook]()
Boeing secures $271 million to advance modernisation of US Special Operations' MH-47G Chinook
Boeing has clinched a major contract modification to further its backing of the US Special Operations Command’s MH-47G Chinook aircraft modernisation effort.
-
![Dubai Airshow 2023: South Korean homegrown helicopters make international debut]()
Dubai Airshow 2023: South Korean homegrown helicopters make international debut
Two KAI helicopters, the KUH-1E utility helicopter and the Light Attack Helicopter (LAH), have taken centre stage at the Dubai Airshow 2023.
-
![Italian Navy receives final NH90 helicopter]()
Italian Navy receives final NH90 helicopter
The Italian Navy now boasts a fleet of 56 NH90 helicopters comprising 46 SH-90As and 10 MH-90As.
-
![Argentina seeks AW109 and CH-46 Sea Knight helicopters]()
Argentina seeks AW109 and CH-46 Sea Knight helicopters
The Argentinian Air Force (FAA) and the Argentinian Naval Aviation Command (COAN) are looking for options to upgrade their helicopter fleets.
-
![DSEI 2023: Lockheed to produce about 40% of Black Hawks on UK soil if it wins NMH contest]()
DSEI 2023: Lockheed to produce about 40% of Black Hawks on UK soil if it wins NMH contest
Lockheed Martin promises a boost to the British job market and export opportunities, while strengthening ties with Poland and positioning the UK for a future in rotorcraft technology in the event of a New Medium Helicopter competition triumph.
