A Revolution in the Air

One of the greatest problems facing aviation in the com­ ing years will be noise. Even small two-seat aircraft of the diminutive Cessna 150 breed can arouse resentment and protest from resident groups at the mere suggestion of the future establishment of a local park.

With this in mind the English firm of Dowty Rotol in­ initiated an engineering study in the early ’70 to develop quieter aircraft, largely through a re-think of basic engine propeller design. With Dowty’s accumulated experience in design and construction of variable pitch fans for both SNECMA and Rolls Royce they decided to press ahead with a similar application to the standard light to medium aircraft propeller.

And so the Ducted Propulsor was born.

This content is available exclusively to Australian Aviation members.

Login

Become a Member

To continue reading the rest of this article, please login.

Username or Email

Password Forgot password?

Keep me signed in on this device.

If you check this box before you log in, you won’t have to log back into the website next time you return, even if you close your browser and come back later.

If you check the box above before you log in, you won’t have to log back into the website next time you return, even if you close your browser and come back later.

---

or

---

Login with a Passkey

To unlock all Australian Aviation magazine content and again unlimited access to our daily news and features, become a member today!
A monthly membership is only $5.99 or save with our annual plans.

PRINT

$49.95 for 1 year Become a Member

See benefits

• Australian Aviation quarterly print & digital magazines
• Access to In Focus reports every month on our website

MOST POPULAR

PRINT + DIGITAL

$99.95 for 1 year Become a Member

$179.95 for 2 years Become a Member

See benefits

• Unlimited access to all Australian Aviation digital content
• Access to the Australian Aviation app
• Australian Aviation quarterly print & digital magazines
• Access to In Focus reports every month on our website
• Access to our Behind the Lens photo galleries and other exclusive content
• Daily news updates via our email bulletin

DIGITAL

$5.99 Monthly Become a Member

$59.95 Annual Become a Member

See benefits

• Unlimited access to all Australian Aviation digital content
• Access to the Australian Aviation app
• Australian Aviation quarterly print & digital magazines
• Access to In Focus reports every month on our website
• Access to our Behind the Lens photo galleries and other exclusive content
• Daily news updates via our email bulletin

View more offers and details