Gourdou-Leseurre GL B6: Haute Voltige. June 23, 2024 by Whitemule 0 Gourdou-Leseurre again. This time the company test pilot and aerobatic champ Jérôme Cavalli and his flashy 350hp Hispano-Suiza 9Qd-powered GL. Artist: Geo Ham. Share this:TwitterFacebookLike Loading...