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The free climbing movement was an important development in the history of rock climbing. [3] In 1911, Austrian climber Paul Preuss started what became known as the Mauerhakenstreit (or "piton dispute"), by advocating for a transition to "free climbing" via a series of essays and articles in the German Alpine Journal where he defined "artificial aid" and proposed 6 rules of free climbing ...
June 1 – World speed record with 2,000 kg (4,410 lb) payload over 100 km (60 mi). The Junkers pilot Zimmermann achieved a new speed record with a G 24L with 2,000 kg (4,410 lb) payload over 100 km (60 mi) with 207.26 km/h (128.79 mph). The record flight was performed between the turning points at Dessau and Leipzig.
Fokker D.VII. BMW IIIa was an inline six-cylinder SOHC valvetrain, water-cooled aircraft engine, the first-ever engine produced by Bayerische Motoren Werke AG, who, at the time, were exclusively an aircraft engine manufacturer. Its success laid the foundation for future BMW engine designs. It is best known as the powerplant of the Fokker D.VIIF ...
Cobra Crack is a 45-metre (148-foot) long traditional climbing route on a thin crack up an overhanging granite rock face on Stawamus Chief, in Squamish, British Columbia. The route was first ascended by Peter Croft and Tami Knight in 1981 as an aid climb. After it rebuffed many leading climbers, most notably Swiss climber Didier Berthod in 2005 ...
Japan, South Korea and Poland [citation needed] are generally considered de facto nuclear states due to their believed ability to wield nuclear weapons within 1 to 3 years. [ 17][ 18][ 19] South Africa produced six nuclear weapons in the 1980s, but dismantled them in the early 1990s.
v. t. e. Free solo climbing, or free soloing, is a form of rock climbing where the climbers (or free soloists) climb solo (or alone) without ropes or other protective equipment, using only their climbing shoes and their climbing chalk. [ 1 ] Free soloing is the most dangerous form of climbing, and, unlike bouldering, free soloists climb above ...
Avia S-99/S-199 Hispano Aviación HA-1112. The Messerschmitt Bf 109 is a German World War II fighter aircraft that was, along with the Focke-Wulf Fw 190, the backbone of the Luftwaffe 's fighter force. [ 3 ] The Bf 109 first saw operational service in 1937 during the Spanish Civil War. It was still in service at the end of World War II in 1945 ...
Albatros H.1 - high altitude record aircraft modified from SSW D.IV fighter; Albatros J.I - ground attack [52] Albatros J.II - ground attack [53] Albatros L 3 - single seat reconnaissance [54] Albatros L 9 - single seat reconnaissance [55] Albatros L.65 - reconnaissance fighter biplane built in Lithuania; Albatros L.68 - trainer; Albatros L.69 ...