Aircraft Engineering and Aerospace Technology: Volume 32 Issue 9

Second Thoughts on Supersonics

AT the Society of Automotive Engineers' National Aeronautic Meeting held in New York at the beginning of April, Mr B. S. Shenstone, the Chief Engineer of British European Airways…

Auxiliary Systems: With Particular Reference to the Developments Towards System Integration in the British Aircraft Industry

C.K. Trotman

AT the end of the war in 1945, aircraft systems could still be classified as ‘auxiliary’ and ‘ancillary’—those which were essential for flight and those which were installed for…

Solid Propellent Burning Rate Theory: Recently Advanced Theories, Their Limitations and Possible Areas for Future Investigation

V.R. Gutman

The progress of solid propellent technology appears to have been retarded by lack of development of a fundamental mechanism of burning. A study of previous work indicates that…

Photoelastic Measurement of Surface Strain: Investigation of a Direct Method Using an Optically Sensitive Material Bonded to the Metal Component

J.R. Linge

Tapered and Parallel Shank Specimens Tapered and parallel shank specimens were loaded in increments of 200 lb. up to about 1,300 lb., generally the maximum for both types.

Effect of Fixed Forward Fins!: Changes in Lift and Moment Characteristics of Slender Aircraft and Missiles

G.S. Campbell

An estimate is made of the effect of adding a small forward fin on the lift and centre of pressure of a slender wing‐body combination. The fin is assumed to discharge a trailing…

The Library Shelf

A.R.C., G.J.H., A.D.B., A.G.S.

The Handbook of Supersonic Aerodynamics, when complete, will contain twenty‐one Sections comprising six volumes. The U.S.A. Naval Bureau of Ordnance is responsible for its…

Research Reports and Memoranda

Under this heading are published regularly abstracts of all Reports and Memoranda of the Aeronautical Research Council, Technical Reports and Translations of the United States…

New Materials

Special blanking covers are now being moulded by the Plastics Division of Hunting Aircraft Ltd. to protect the air intakes of the Hunting Jet Provost Trainer.

Research and Test Apparatus

A new installation at the Akron, Ohio, U.S.A. plant of the Goodyear Tire and Rubber Co. enables tests to be carried out on tyres for aircraft and high‐performance automobiles. The…

Auxiliary Equipment

Under a licence agreement negotiated with Bristol Aircraft Ltd., Haven Engineering Co. Ltd., of 29 Corsica Street, Highbury, London, N.5, are to manufacture and market the Bristol…

Tools for the Workshop

A new range of high‐speed hydraulic presses, known as R‐G, has been designed and built for Dowding & Doll Ltd., 346 Kensington High Street, London, W.14 by Rhodes, Gill & Co. Ltd…

Month in the Patent Office

A control system for a variable pitch propeller includes pitch lock means operable by the onset of a predetermined negative‐torque in the propeller drive transmission to lock the…

U.S. Patent Specifications

An aircraft includes a body, an air compressor located within the body and having a discharge duct directed downwardly to develop a lift reaction, and a second air compressor…

German Patent Abridgements: Copies of the full Specifications are obtainable under the name ‘Deutsche Auslegeschrift’ from the Deutsches Patentamt, 12 Zweibrückenstrasse, Munich, Germany, price 130 DM

The nozzle 1 of the jet unit is extended by a diverging part 2. Between nozzle 1 and part 2, immediately behind the nozzle outlet 3, four segmental spoilers 4 are arranged. By…