Primary glider

Primary gliders are a category of aircraft that enjoyed worldwide popularity during the 1920s and 1930s as people strove for simple and inexpensive ways to learn to fly.^[1]

Constructed of wood, metal cables and cloth, primary gliders were very light and easy to fly. They generally had no cockpit and no instruments.^[1]

Operations

Primary gliders were generally launched by bungee cord, whereby a rubber rope was arranged in a "V" with the glider at the apex. The ends of the rope were pulled by hand to launch the glider from a slope. Primaries were also launched by auto-tow and auto-bungee tow. Ramp launching from cliffs was also attempted successfully.^[1]

Modern primaries

Modern versions of primary gliders are still built, but, while they are much like the originals in appearance, they are usually constructed with composites and safety enhancements.

Types

Examples include:

Bonomi BS.16 Allievo Bonomi
Cessna CG-2
Cloudcraft Dickson Primary
Detroit G1 Gull
DFS SG 38 Schulgleiter
Elliotts Primary EoN
Jongblood Primary
Manuel VI Primary
Payne I.C.1
Reynard R.4 Primary
Sands Replica 1929 Primary Glider
Schweizer SGP 1-1
Slingsby Grasshopper
Slingsby Primary^[2]
Šoštarić Vrabac
Stamer Lippisch Zögling^[3]
Warsztaty Szybowcowe Wrona

References

^ ^a ^b ^c Schweizer, Paul A: Wings Like Eagles, The Story of Soaring in the United States, pages 14-22. Smithsonian Institution Press, 1988. ISBN 0-87474-828-3
^ Description of RFD/Slingsby T3 Dagling Archived 2011-07-16 at the Wayback Machine
^ Description of the Zögling Archived 2011-06-05 at the Wayback Machine

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[Schweizer-1] Schweizer, Paul A: Wings Like Eagles, The Story of Soaring in the United States, pages 14-22. Smithsonian Institution Press, 1988. ISBN 0-87474-828-3

[2] Description of RFD/Slingsby T3 Dagling Archived 2011-07-16 at the Wayback Machine

[3] Description of the Zögling Archived 2011-06-05 at the Wayback Machine

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