Accession Number:

ADB007733

Title:

Static and Dynamic Stability Characteristics of the Fixed-Fin and Inflatable Stabilizer Retarder Configurations of the MK-82 Store at Transonic Speeds

Descriptive Note:

Final rept.

Corporate Author:

ARO INC ARNOLD AFS TN

Personal Author(s):

Report Date:

1975-11-01

Pagination or Media Count:

95.0

Abstract:

An investigation was conducted in the Aerodynamic Wind Tunnel 4T to obtain the static stability and pitch-damping characteristics of the Fixed-Fin FF and Inflatable Stabilizer Retarder ISRe configurations of the MK-82 store with solid and slotted fins and with various fin tabs. The static phase was conducted using 0.20-scale models, and the dynamic phase was conducted using 0. 442-scale models. The tests were conducted at Mach numbers from 0.4 to 1.3 for angles of attack up to 42 deg and Reynolds numbers from 200,000 to 1,000,000 based on the centerbody maximum diameter. All configurations tested were statically and dynamically stable. The ISRe configurations had a greater static stability margin than the FF configurations. Use of the slotted fin reduced the static stability margin of the FF configurations but had no significant effect on the ISRe configurations. The slotted fin had little or no effect on the dynamic stability characteristics. Increasing fin tab angle generally caused an increase in dynamic stability for subsonic Mach numbers and a decrease for supersonic Mach numbers. The dynamic stability generally increased with increasing angle of attack.

Subject Categories:

  • Aerial Bombs
  • Fluid Mechanics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE