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The Bölkow Phoebus is a glass fibre composite competition sailplane, designed and produced in Germany in the 1960s. Large numbers were built, achieving success at some national contests, and many remain active.

Phoebus A
Role Single seat Standard Class Sailplane
National origin Germany
Manufacturer Bölkow gmbh, Munich
Designer Eppler and Nägele
First flight 1964
Number built about 250

Design and development


The Phoebus was designed at a time when glider manufacturers were moving away from all-wood aircraft towards composite structures. Bölkow had been among the early leaders of this change with their Phönix T sailplane in the late 1950s, which used balsa/glassfibre sandwich construction. The Phoebus was built in the same way.[1][2]

It is a shoulder wing competition sailplane. The first aircraft, the Phoebus A, was designed to Standard Class rules, with a span of 15 m. Its straight tapered wings have an aspect ratio of 17.1; airbrakes are fitted at 70% chord. The fin and rudder are straight edged and only slightly tapered, with a high aspect ratio all moving T tail. The fuselage is a monocoque with the cockpit, ahead of the wings, enclosed with a one piece canopy. The Phoebus A has a monowheel plus tail bumper undercarriage, but in the later "B" variants the main wheel is retractable.[1][3] The Phoebus C has a braking parachute.


Operational history


The Phoebus prototype was placed 3rd in the Standard Class at the German national gliding championships of 1964 and 8th at the World Gliding Championships held in the United Kingdom the following year. Production aircraft came 1st and 3rd at the 1966 South African international championships.[1]

Many Phoebus remain registered, particularly in Germany[4] and the United States.[5]


Variants


Phoebus C landing. Bordeaux-Saucats (France) circa 1970
Phoebus C landing. Bordeaux-Saucats (France) circa 1970
Phoebus C
Phoebus C
Phoebus A
1964 15 m span, fixed-gear Standard Class. Discontinued after 1970 FAI rule change.[1]
Phoebus B
1967 15 m span, retractable gear. In 1970 FAI rules changed, allowing retractable undercarriages in Standard Class.[1]
Phoebus C
1967 17 m span, retractable gear, braking parachute. Open Class.[1]

Specifications (Phoebus A)


Data from Jane's All the World's Aircraft 1966/7 [1]

General characteristics

Performance


See also


Aircraft of comparable role, configuration, and era


References


  1. Taylor, John W R (1966). Jane's All the World's Aircraft 1966-67. London: Sampson Low, Marston & Co. Ltd. p. 390.
  2. "Le palmarès du Grand Prix du Patrimoine 2019 de l'Aéro-Club de France". Aerobuzz (in French). 2019-11-11. Retrieved 2020-02-26.
  3. "Historic Sailplane at Embry-Riddle Donated to the National Soaring Museum". theavion.com. Retrieved 2020-02-26.
  4. "Liste von mir bekannten Phoeben". Retrieved 2011-01-17.
  5. "Bölkow list". Retrieved 2011-01-17.

На других языках


[de] Bölkow Phoebus

Der Phoebus (nach dem griechischen Lichtgott Apollon) ist ein einsitziges Segelflugzeug der Bölkow GmbH.
- [en] Bölkow Phoebus

[fr] Bölkow Phoebus

Le Phoebus de Bölkow est un planeur de compétition en composite résine/fibre de verre conçu et produit en Allemagne dans les années 1960. De nombreux exemplaires ont été construits et ont obtenu des succès lors de concours nationaux. Beaucoup volent encore.



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