This is a complete list of Forlanini airships designed and built by the Italian pioneer Enrico Forlanini from 1900 to 1931 (posthumously).Lapini, Gian Luca These, like the German Groß-Basenach semi-rigid airships, were the first to have the gondola attached to the envelope, to reduce air resistance. F.1 Leonardo da Vinci Designed: 1900-1901New York Times Maiden flight: 2 July 1909 Flights: 38, total distance 850 km. Longest duration: 90 minutes Length: 40 metres Volume: 3,265 cubic metres Propulsion: One Antoinette engine of 40 HP Maximum speed: 52 km/h

Construction started in 1900 collaboration with Cesare del Fabbro. Its first flight in 1909 was one year after the first Italian semi-rigid flight by Gaetano Arturo Crocco. Like all the Forlanini airships, except the Omnia Dir, the empennage comprised groups of multiple planes at the poop and at the tail.editors of Italian wikipedia

F.2 Città di Milano Maiden flight: 17 August 1913New York Times has 1912.#Tim Flights: 43 Length: 72 metres Volume: 12,000 cubic metres Gas cells: 12 Propulsion: Two Isotta Fraschini engines of 80 HP each Maximum speed: 70 km/h Flight ceiling: 2400 metres Useful payload: 5 tonne Owner: Royal Italian Army (Regio Esercito) Fate: 9 April 1914 emergency landing during storm, then damaged by trees and terrain while moored. While attempting to deflate gas cells, caught fire and destroyed.

F.2's gondola was divided in three compartments: the command cabin, passenger cabin, and machine room. For safety all the material was treated with a fire suppressant and the envelope was double-skinned.

F.3 Città di Milano II

Volume: 13,790 cubic metresLigugnana, Sandro Propulsion: Four FIAT S.54-A engines of 80 HP each Maximum speed: 80 km/h Flight endurance: 24 hours Useful payload: 6 tonne Fate: built for the British government but due to World War I requisitioned by the Italian Army in 1918

F.4

Volume: 15,000 cubic metres Built: 1915New York Times wrote F-4 appeared in 1916.#Tim Owner: Marina Italiana

F.5

Built: 1917 Volume: 17,783 cubic metresNew York Times claimed .#Tim Length: Maximum width: Propulsion: Two FIAT S.76-A engines of 350 HP each Flight ceiling: Gas cells: 12 Payload: New York Times wrote payload reduces to at and at .#Tim Crew: 5: commander, two officers, two mechanics Owner: Royal Italian Army Fate: military operations, decommissioned 6 February 1918

F.6 Built: 1918 Volume: 15,000 cubic metres Propulsion: Four Isotta Fraschini IV-B engines of 180 HP each Owner: Royal Italian Army (Regio Esercito) Fate: one single military mission before the armistice

Omnia Dir Built: 1931 Volume: 4,000 cubic metres Propulsion: One Isotta Fraschini of 150 HP Note: Used two groups of five jets of compressed air for maneuvering, one at each end

See also Enrico Forlanini Airships of Italy Italian military aircraft 1910-1919

Notes

References aerostati.it. Cronologia aerostatica (Italian) last accessed 2008-06-30 Lapini, Gian Luca. 2004. Storia di Milano ::: Enrico Forlanini (Italian) last accessed 2008-06-30 Sandro Ligugnana - Alessandro Ligugnana History - Officine Leonardo da Vinci. Last accessed 2009-09-09 The New York Times Magazine. 13 January 1918 Page SM3. New Italian Airship Better Than Zeppelin, last accessed 2008-06-30 (full article) editors of Italian wikipedia article Forlanini (dirigibili) - Wikipedia