Accession Number : AD1016018


Title :   Modification of General Research Corporation (GRC) Dynatup 8200 Drop Tower Rebounding Brake System


Descriptive Note : Technical Report,13 Nov 2015,03 Feb 2016


Corporate Author : Weapons and Materials Research Directorate, US Army Research Laboratory Aberdeen Proving Ground United States


Personal Author(s) : Gray, David ; Kaste,Robert ; Lawrence,Bradley


Full Text : https://apps.dtic.mil/dtic/tr/fulltext/u2/1016018.pdf


Report Date : 01 Aug 2016


Pagination or Media Count : 14


Abstract : The Double Column GRC Dynatup 8200 Drop-Weight pneumatic rebound brake system was intended to prevent secondary tup impacts on test specimen after the initial strike. Our investigation lead to the discovery of multiple impacts from a single test. To achieve a single mass impact of energy on laminate material test panel, we successfully modified the braking system. The details of which are explained in this report.


Descriptors :   pneumatic actuators , pneumatic brakes , high speed photography , impact tests , pneumatic valves , brakes , laminates , composite materials , weight , carbon fibers


Distribution Statement : APPROVED FOR PUBLIC RELEASE