Free Flight Range Tests of the Copperhead Projectile
Abstract
Free flight spark range tests of the Copperhead projectile were conducted in the BRL Transonic Range, to obtain free flight aerodynamic data for the full-scale, tactical configuration. The free flight data show good general agreement with previously obtained wind tunnel results. The tactical Copperhead projectile is statically stable at all Mach numbers tested. A weak slow-arm dynamic instability was observed at transonic and high subsonic speeds, for small angles of attack. The mild dynamic instability could result in limit- cycle, or 'coning' motion at transonic speeds; however, the data obtained in the present tests are too sparse to permit a quantitative determination of limit- cycle behavior.
Document Details
- Document Type
- Technical Report
- Publication Date
- Mar 01, 1981
- Accession Number
- ADA100274
Entities
People
- Robert L. Mccoy
Organizations
- Ballistic Research Laboratory