Wilhelm DüerkopList of founding members of the ''Förderverein Segelkunstflug im BWLV e.V.'' (handwritten by the participants of the meeting)
- accessed 2008-02-09Ralph Rainer: "Salzmanncup 2008", Luftsport 5/2008, p36-37 & "Salzmann Cup 2008", der adler 7/2008, p268-269 (in German)"Wilhelm Düerkop ... eine Legende wurde 80", der adler 8/2008, p298-299 (in German)
- accessed 2008-02-09
- accessed 2008-02-09Main-Netz: Keyword Salzmann-Cup (in German)
- accessed 2008-07-03Förderverein für Segelkunstflug im BWLV: Vergaberichtlinien 2004 (in German)
- accessed 2008-06-03 (born 30 JuneAnnouncement of Wilhelm Düerkop's 80th birthday / celebration in Sinsheim (in German)
- accessed 2008-06-30 1928Official website of the 2006 Salzmann-Cup (in German)
- accessed 2008-02-09 in

Halberstadt Halberstadt ( Eastphalian: ''Halverstidde'') is a town in the German state of Saxony-Anhalt, the capital of Harz district. Located north of the Harz mountain range, it is known for its old town center that was greatly destroyed by Allied bombi ...

) is a German

glider Glider may refer to: Aircraft and transport Aircraft * Glider (aircraft), heavier-than-air aircraft primarily intended for unpowered flight ** Glider (sailplane), a rigid-winged glider aircraft with an undercarriage, used in the sport of glidin ...

and

motor glider A motor glider is a fixed-wing aircraft that can be flown with or without engine power. The FAI Gliding Commission Sporting Code definition is: a fixed-wing aerodyne equipped with a means of propulsion (MoP), capable of sustained soaring flight ...

aerobatic Aerobatics is the practice of flying maneuvers involving aircraft attitudes that are not used in conventional passenger-carrying flights. The term is a portmanteau of "aerial" and "acrobatics". Aerobatics are performed in aeroplanes and glid ...

pilot and promoter of glider aerobatics in Germany for many years. He is known by the nickname ''Salzmann'' (meaning "salt man" in German). This is because he was a pit foreman in a

salt mine Salt mining extracts natural salt deposits from underground. The mined salt is usually in the form of halite (commonly known as rock salt), and extracted from evaporite formations. History Before the advent of the modern internal combustio ...

.Invitation to the Salzmann Cup 2005 (in German)
- accessed 2008-02-09

Motor glider aerobatics

Together with his colleague Hannes Mattes, he performed synchronised

acrobatics using a

Fournier RF 4 The Fournier RF 4 is a single-seater motor glider designed by René Fournier in 1966. It is an aerobatic version of the Fournier RF 3.

and an RF 5 at many air shows, until Hannes Mattes died in 2004.Deutsch-Französisches Jugend-Streckenfluglager auf dem Klippeneck (in German)
- accessed 2008-02-09Obituary for Hannes Mattes in the journal ''Adler'' September 2004, published by the

Baden-Württemberg Baden-Württemberg (; ), commonly shortened to BW or BaWü, is a German state () in Southwest Germany, east of the Rhine, which forms the southern part of Germany's western border with France. With more than 11.07 million inhabitants across a ...

ian aero club, compar
Pressespiegel Förderverein / Segelkunstflug 2004
- accessed 2008-02-09 Later, Wilhelm Düerkop joined the Skydance-Acro-Team and still performs motor glider aerobatics with an RF 4.

Promotion of glider aerobatics

He owned two Lo 100 gliders a yellow one (christened "Gilb") and a white one, but he now has a modified

Schempp-Hirth Cirrus The Schempp-Hirth Cirrus is an Open Class glider built by Schempp-Hirth between 1967 and 1971 and by VTC until 1977. It was replaced by the Nimbus 2. Development The Cirrus was designed by Dipl.-Ing. Klaus Holighaus and was the first glass-f ...

, known as a Cirrus K ("Langohr Eater"). To help promote glider aerobatics, Düerkop lends his gliders to both learners and competition pilots. He sometimes trains advanced learners on aerobatics courses Quax - Informationsblatt des Berliner Aero Clubs Mitte e.V. Nov/Dez 2000
- accessed 2008-02-09 but he especially helps as the tow pilot using his

Piper PA-18 The Piper PA-18 Super Cub is a two-seat, single-engine monoplane. Introduced in 1949 by Piper Aircraft, it was developed from the PA-11 Cub Special, and traces its lineage back through the J-3 Cub to the Taylor E-2 Cub of the 1930s. In close ...

"D-ELUF".HR tv-report: "Quer durch die Lüfte - Segelkunstflug über der Schwalm"
calling Wilhelm Düerkop a living legend - accessed 2008-02-09 He has also volunteered at many glider aerobatics events.List of courses and events supported by ''Fördervereins für Segelkunstflug im BWLV e.V.''
- accessed 2004 to 2008

Cirrus K

The modification of a Standard Cirrus into a Cirrus K was initiated by Wilhelm Düerkop in the late 1980s. He still owns the prototype, while the second one is owned by his nephew Wolfgang Seitz.

Gilb & Salzlore

The Lo100 "Gilb" is now owned by the Förderverein Segelkunstflug im BWLV. It is regularly lent for use on aerobatic courses in Germany.Fleet of the Förderverein Segelkunstflug im BWLV e.V.
- accessed 2008-02-09 An

ASK 21 The ASK 21 is a glass-reinforced plastic (GRP) two-seat glider aircraft with a T-tail. The ASK 21 is designed primarily for beginner instruction, but is also suitable for cross-country flying and aerobatic instruction. Design and development Th ...

that is owned by the glider aerobatics club ''Fördervereins für Segelkunstflug im BWLV e.V.'' has been christened "Salzlore", which means "salt

lorry A truck or lorry is a motor vehicle designed to transport cargo, carry specialized payloads, or perform other utilitarian work. Trucks vary greatly in size, power, and configuration, but the vast majority feature body-on-frame construction ...

" in German, after Wilhelm "Salzmann" Düerkop and the president of the aeroclub of

Lore Sturm. This club was founded in 1985 and has about 1250 members.Förderverein Segelkunstflug im BWLV e.V.: the club (in German)
- accessed 2008-02-09

Salzmann-Cup

The German club championships in glider aerobatics are named Salzmann-Cup after Wilhelm "Salzmann" Düerkop. There are three classes in each competition: the sportsman class, the advanced class and the unlimited class.Salzmann-Cup 2007 invitation (in German)
- accessed 2008-02-09 The Salzmann-Cup plays a similar role as state championships in Germany. In the unlimited category, it is a qualification contest for joining the national team. A team prize is also presented based on the combined results in all the classes for the pilots of each club. Additionally, the title "Salzmann des Jahres" (Salt Man of the Year) is awarded for unselfish conduct and sportsmanship. The first club championships took place in

Nagold Nagold is a town in southwestern Germany, bordering the Northern Black Forest. It is located in the ''Landkreis'' (district) of Calw (Germany/Baden-Württemberg). Nagold is known for its ruined castle, Hohennagold Castle, and for its road viaduc ...

in 2000 and 2001 as "Nagoldtal-Cup", initiated by Michael Zistler.Pilot profile of Michael Zistler
- accessed 2008-02-09
- accessed 2008-02-09
- accessed 2008-02-09 Since 2002, the club championships are organized at different German airfields each year on Corpus Christi day and the following weekend. During the 2007 event, the ''Förderverein Kunstflug Aufschwung Ost'' (regional glider aerobatics club of east Germany) was founded.Website of the Förderverein Kunstflug Aufschwung Ost (in German)
- accessed 2008-02-09

References

1928 births Living people People from Halberstadt Aerobatic pilots German aviators German glider pilots {{Improve categories, date=April 2021