C. H. Keefer Convertiplane of 1923/24

Ah yes, the great British Helicopter Competiton that never happened. Announced in 1923 with £50,000 of prizes on offer. By the closing date for entries in 1924 only a small number had been received (maybe just one) but none actually came forward to carry out the tests. The competiton was then extended by a year and 34 entries were received. However only one turned up for the the trials and that never flew.
 
Thank you for the Info my dear Schneiderman.
 

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