Accession Number : AD0715623
Title : Torque Tests of a Full Size Model of the ALVIN/AUTEC Emergency Sphere Release.
Descriptive Note : Technical rept.,
Corporate Author : WOODS HOLE OCEANOGRAPHIC INSTITUTION MASS
Personal Author(s) : Sharp,Arnold G. ; Sullivan,James R.
Report Date : NOV 1970
Pagination or Media Count : 24
Abstract : Laboratory torque tests were performed using an actual emergency sphere release shaft of the type used in the research submarines Alvin, Sea Cliff and Turtle. A test fixture was constructed which permitted laboratory simulation of the side (squeezing) forces applied to the release shaft cam as a result of forebody buoyancy. Estimated full-scale side forces were applied to the cam by a laboratory compression testing machine, and the torque required to rotate the shaft was measured. Tests were run with contacting surfaces (a) clean and dry, (b) greased, and (c) immersed in sea water. From the test results, values of release torque were calculated for the submarines in question. Coefficient of friction values of the contrating materials (Monel K-500 on phosphor bronze) also are reported. (Author)
Descriptors : (*RELEASE MECHANISMS, TESTS), (*UNDERWATER VEHICLES, RELEASE MECHANISMS), TORQUE, BUOYANCY, MODELS(SIMULATIONS), SHAFTS(MACHINE ELEMENTS), CAMS, FORCE(MECHANICS), DIFFERENTIAL EQUATIONS, O RINGS, GASKETS, OCEANOGRAPHIC SHIPS, DEEP SUBMERGENCE, NAVAL RESEARCH
Subject Categories : Marine Engineering
Distribution Statement : APPROVED FOR PUBLIC RELEASE