OCR Text |
Show feps tG8f tag ' are tests of l20th and l8 scale MX models to determine deter-mine the effects of aerodynamic aero-dynamic heating and pressure pres-sure on the missile during launch and ascent. Propulsion testing Willi"- i elude separating the Mxjj second from third and third from fourth stages at simulated simu-lated altitudes. These tests . require renovating andretn-strumenting andretn-strumenting of three g AEDC's largest rocket testing test-ing cells. J The Center's large X-ray laboratory will be renovated to perm it checking the structural struc-tural Integrity of the second stage solid rocket booster case and propellant prior to testing. A charged particle beam linear accelerator accel-erator X-ray device wiUre' place the 25 million electron elec-tron volt X-ray machine The Air Force has begun a $40 million facilities renovation re-novation and ground testing program for MX missile tests. The program will continue through the missile's mis-sile's first flights In early 1983. The Air Force will spend an estimated $20 million to renovate the Arnold Engineering Engin-eering Development Center's Cen-ter's major rocket test cells, for tests of the solid propellant pro-pellant and liquid fueled rocket roc-ket motors at simulated altitudes. alti-tudes. These motors will power the MX's second.third and fourth stages. The money will also pay for subsonic sub-sonic through hypersonic aerodynamic wind tunnel tests. The first rocket motor performance tests begin this month. Already in progress |