A Three Component Gun Tunnel Balance Designed for Testing Thin Delta Wings

摘要

The design, development and performance of a three component strain gauge balance system designed for testing thin wings in the Imperial College gun tunnel is described. The balance was machined out of high strength steel and employed miniature silicon strain gauges on tension and compression links in order to meet the difficult strength/stiffness requirements. Natural frequencies were attenuated with 'parallel T' filters.nVarious problems which arose in its development were successfully overcome and some excellent results were obtained.