Accession Number : AD0468944


Title :   TESTS TO DETERMINE THE EFFECT OF HIGH TEMPERATURE ON AN AIRCRAFT UNDERCARRIAGE.


Corporate Author : MINISTRY OF AVIATION LONDON (UNITED KINGDOM) TECHNICAL INFORMATION AND LIBRA RY SERVICES


Report Date : May 1965


Pagination or Media Count : 40


Abstract : A modified 11-inch stroke Vampire main undercarriage was enclosed completely, except for the axle, in a stainless steel skin representing an aircraft wing and the skin was heated by infrared tubular heaters. The wheel and tyre were removed before the heating cycle and replaced before the subsequent tests. Results show that the undercarriage functions quite satisfactorily after soaking at high temperature (200-250 deg. C.). Friction increased with temperature but it should be possible to reduce this by increasing bearing clearances. The air pressure increased slightly more than expected from the temperature rise due to the expansion of the fluid. A different fluid/rubber combination will be required for temperatures above 200 deg.C. (Author)


Descriptors :   *JET FIGHTERS , PERFORMANCE(ENGINEERING) , HIGH TEMPERATURE , MODEL TESTS , FUSELAGES , DROP TESTS , THERMAL STRESSES , ACCEPTABILITY , LANDING GEAR , HYDRAULIC SEALS , UNITED KINGDOM


Distribution Statement : APPROVED FOR PUBLIC RELEASE