No CrossRef data available.
Published online by Cambridge University Press: 28 July 2016
As one being intimately concerned with the development of the jet-propelled helicopter for the past thirteen years, I would like to comment on some of the statements in the Technical Note by P. R. Payne, published in the May 1955 Journal, which I feel are misleading and indeed wrong.
Note: Correspondence on these two notes by Mr. Payne is now closed.—Ed.)