Gourdou-Leseurre GL-820 HY explained

The Gourdou-Leseurre GL-820 HY family of four-seat single-engined floatplanes were designed and built in France during the latter half of the 1930s by Gourdou-Leseurre. The GL-820 HY and GL-821 HY 02 were shipborne reconnaissance / observation aircraft, while the sole GL-821 HY was built as a torpedo carrier.

Design and development

The Gl-820 and GL-821 were low-wing monoplane floatplanes with four tandem open cockpits, (the Cockpits on the GL-821 HY 02 were enclosed). The wings, tailplanes and floats were all supported by a system of streamlined struts.

Variants

GL-820 HY:The initial reconnaissance aircraft prototype, powered by a Hispano-Suiza 9Vb driving a two-bladed fixed-pitch wooden propeller.[1]
  • GL-821 HY:The second aircraft built as a torpedo carrier, powered by a Gnome & Rhône 9Kfr.[2]
  • GL-821 HY 02:The third aircraft, powered by a Gnome & Rhône 9Kfr driving a three-bladed metal propeller.[3]

    • Notes and References

    1. Web site: Parmentier . Bruno . Gourdou Leseurre GL-820 HY . Aviafrance . 1 February 2019 . Paris . fr . 29 April 2003.
    2. Web site: Parmentier . Bruno . Gourdou Leseurre GL-821 HY . Aviafrance . 1 February 2019 . Paris . fr . 5 August 2001.
    3. Web site: Parmentier . Bruno . Gourdou Leseurre GL-821 HY 02 . Aviafrance . 1 February 2019 . Paris . fr . 29 April 2003.

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