September 1, 1946

Aviation Research—Engineering—Production

Estimating Plane Performance —via Comparison Method

Aviation Research—Engineering—Production

Practical Engineering of Rotary Wing Aircraft

Aviation Research—Engineering—Production

Aircraft Acoustical Problems and Possible Solutions

5455
Aviation Research—Engineering—Production

Estimating Plane Performance —via Comparison Method

THE PERFORMANCE ESTIMATION METHOD discussed here represents a simplification of high speed performance computation as modified for low speed aircraft design work. While the method is not 100% accurate in all respects, it has been applied to personal aircraft prototypes with very gratifying results.

6667
Aviation Research—Engineering—Production

Practical Engineering of Rotary Wing Aircraft

Presenting additional rotorcraft design criteria, Author Stanley discusses important considerations of blade construction, radial and chordwise balance, and the not-too-well-known—but highly effective—Cierva method of blade tracking.

7071
Aviation Research—Engineering—Production

Aircraft Acoustical Problems and Possible Solutions

On the basis of tests run with the new sound cabin testing technique, Author Jackman discusses effects of engine speed and power; engine location; soundproofing materials; calculation of sound spectra; and ground noise.

118B119
Aviation Research—Engineering—Production

Keep Posted on Products and Practices

This selected information on new publications and products is offered by the "AVIATION" Reader's Service through cooperation with the manufacturers. It helps executives save valuable time, provides profits through convenience. To obtain literature or additional data on new products described, fill in form within insert, preceding page and mail.
3839

How We Are Preparing to Reach Supersonic Speeds

In this exclusive AVIATION article the man who will undoubtedly be the first to fly faster than sound reveals for the first time just what he and his associates have done to reach hitherto unattainable speeds and altitudes.

8889
Field Operations

Selling Student Flying Requires a Resourceful Approach

In this discussion of practical interest-stimulating methods for promoting a lucrative flight-student activity at the airport, Author Parker presents key factors in gaging the prospect-market and details means for developing new business.

4041

Should the Surface Carriers Be Allowed in Air Transportation? Yes

IT SEEMS UNLIKELY that ship owners will give up their struggle to enter aviation on equal footing with present air carriers. (1) Primarily, the surface operators realize that air transportation is growing rapidly— and that a large part of the traffic is being taken from surface transport.

5253
Aviation Sales & Service

Deft Dealers Make Air Shows Pay

Operators' experience in past displays points up four key factors— also salient sales twists—to accent when shooting for top profit in coming exhibits.

4445

We're Losing Our Export Markets

Letting their home markets wait, the British have rushed into Latin America—and other areas—to sell aircraft in a way that might well start a too-permanent trend for our interests to digest.

9091
Field Operations

As the Operators See It

August 261946 September 21946