Grace's Guide

British Industrial History

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School of Ballooning: Gamma

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Note: This is a sub-section of School of Ballooning.

This was the former Nulli Secundus II‎

First flew on 19th February 1910. Had a capacity of 75,000 cubic feet of hydrogen with a rubberised cotton envelope made b Astra in France. It was powered by a Green 80-hp engine and could carry a crew of five at 32 mph.

It was the first airship to be moored to a mast.

Later the Green engine was replaced by two 45-hp engines from Iris.

In early 1912 she was modifed and became the Gamma II.

See Also


Sources of Information

  • The Royal Aircraft Factory by Paul R. Hare. ISBN 0-85177-843-7
  • The Airship by Christopher Sprigg. Published c1931