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Part 17 of Wonders of World Aviation was published on Tuesday 28th June 1938, price 7d.

This part included a colour plate showing the four Bristol Jupiter engines of the Imperial Airways liner Scylla. It formed part of the article on Modern Aero Engines.

This colour plate previously appeared as the cover to part 10.

The Cover

This week’s cover illustration, based on a photograph supplied by KLM, shows a Douglas low-wing monoplane at Schipol Airport, Amsterdam.

Contents of Part 17

Charles Augustus Lindbergh

(Part 2)

Civil Flying as a Career

Royal Dutch Air Lines

Modern Aero Engines - 1

The Four Bristol Jupiter Engines of the Scylla

(colour plate)

Modern Aero Engines

THE FOUR BRISTOL JUPITER ENGINES of the Imperial Airways liner Scylla. At a height of 5,000 feet these air-cooled radial engines develop a maximum of 600 horse-power each at 2,200 revolutions a minute. Each engine is mounted in the font of a metal nacelle which is supported by two vertical tubes, one at the front and one at the back. An oil tank for each engines is contained in the streamline nacelle behind the engine; each tank holds sixteen gallons. The petrol tanks, of which there are three, are in the centre section of the upper plane; these tanks feed petrol to the engines by gravity. The total capacity of the petrol tanks is 720 gallons. The Scylla has a cruising speed of approximately 105 miles an hour at 5,000 feet.

Contents of Part 17

Reading Weather Charts

Survey in the Empire

(Part 1)