Metal-clad airship

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Metal-clad airships are airships which utilize a very thin, airtight metal envelope, rather than the usual rubber-coated fabric envelope. The shell may be either internally braced as with the designs of David Schwartz, or monocoque as in the ZMC-2. Only four ships of this type, Schwarz's aluminum ships of 1893 and 189 the ZMC-2 and the Slate "City of Glendale", have been built to date with only the ZMC-2 a success.

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