Design and Development
The LZ 1 was constructed using a cylindrical framework with 16 wire-braced polygonal transverse frames and 24 longitudinal members covered with smooth surfaced cotton cloth. Inside was a row of 17 gas cells made from rubberized cotton. The airship was steered by forward and aft rudders and propulsion was provided by two 14.2 hp Daimler internal-combustion engines, each driving two propellers mounted on the envelope. Pitch control was by use of a 100 kg (220 lb) weight suspended beneath the hull which could be winched forward or aft to control its attitude. Passengers and crew were carried in two 6.2 metre long aluminium gondolas suspended forward and aft.
Construction of the airship began on 17 June 1898, when the first sections of the framework were delivered from Berg's factory in The framework was completed by 27 January 1900. Inflation of the gasbags took place during June and the airship was first taken out of the shed on the evening of 2 July, with Hauptmann Hans Bartsch von Sigsfeld of the Prussian Airship Battalion at the controls.
The first flight revealed serious structural deficiencies in the framework, and an attempt to remedy this was made by incorporating the walkway between the gondolas into a rigid keel structure. At the same time the moveable weight was increased to 150 kg (330 lb), the aft rudders moved from either side of the envelope to below it, and an elevator fitted below the nose.
Read more about this topic: Zeppelin LZ1
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