Propeller with variable pitch known as Hele-Shaw

Made:
1925-1955 in England
patentee:
Henry Selby Hele-Shaw
and
Thomas Edward Beacham

Propeller with variable pitch known as Hele-Shaw, Beacham, V.P. propeller, design patented by Henry Selby Hele-Shaw and Thomas E. Beacham in 1924, British patent number 250292,

Details

Category:
Aircraft Propulsion
Object Number:
1955-266
type:
propeller
credit:
Gloster Aircraft Ltd. & Rotol Ltd.