Department of the Air Force Report, 1996
DOW-UAP-D048 · page 51 of 181
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. In Figure 9, the percentages of impacts in 5° sectors from 0° to 180° have been plotted for Atlas IIAS random-attitude turns out to 280 seconds. (It should be remembered that random-attitude turns are representative of combined random-attitude and slow turns.) For B = 1000, theoretical Mode-5 impact percentages are also plotted in the figure for best-fit values of A obtained by trial and error. 100 .----..----..----..----..----..----..----..----..-----, ·:::::::·····At,as·!!~r.::~~.......:·· m..A~-l~~e··F~Hur~~:r~~~~~.i..:~~::~~:::::::::::: _..,...:-···········i····················!·········Br-eakup·Qtalpha·ifldeg-i,b/ft·········+··..······........ .• ::::::L=J:............... J::::.•:g.ggfup:=I :::::::! =-~•:: -o ~o 'II ' ' I !: I! a : ' d. 1 5,00 : : ! i ~-§ 1 0 ,_..,,..~,;~..,_______-•--•••..... ~o•-••o-n•o-nn-nn....... •in-••••-••.,•-••••-••••.... n~•-un-uu-uu-HH...j.U~--• ..-oH-HH-•••n-in~•-••••-••••-••••-••o-,,o•ii-•u•-u••-••---•••• .. • .. •.j.....·•••-••••-••••-••••---r•••• . ..;....................;....................,........................................;....................;....................(................... 5s! •••••· = ··--l···············.....l.............·······f••••••••••••••..··+········..sL··1···066 ..............····[................... ······i__i..:::::t=::t:::~:~:j ::= .5 C: - ~ Q) 1 ••••••H••••••• , I. n•••••••••••• .. ••••r•OUU ' •L•••u••••• - ' •=••t-=°=--A• u=••3·.20 ' •••••.......i...,,uuou••••••• -: A=3.45 i ! i i . . . I .............. ••••~~OHH•HH~• .... ••••••rHHUOOOH•U•OOOO a.. :::::::::::::::::::r::::::: ...................T... ::r::::::::.:.....~-t.....::···:::~:::::::::::·······-----· ur•············••u••r••u•..-·..·••n•nHr•············-----· ···················r : ·•r 0 ••········•--u...!..............u ......r············••ooo : : : : : O ♦♦ •ooo,nUOH>>THO ....HoH•••Hr ♦ U ♦• :•:.:.•••uoOoO O OOOOHOfHH••••••••••n••• ...................-r···················•·········· ' .........,................... • ··r·i···· ! . . . . . . . . 0.1 ................... · .. ·....................·....................................... ·...................·....................·....................·................... ·r i I I I 0 20 40 60 80 100 120 140 160 180 Angle From Flight Path (deg) Figure 9. Atlas IIAS Simulation Results with B = 1,000 By observing curve shapes, it <;:an perhaps be seen that no single value of A causes a theoretical impact distribution and a distribution of impacts from random-attitude turns to match closely over the entire range of 5° sectors. Attempts to improve the match on one end of the curve by selecting a different A merely degrades the match on 9/10/96 42 RTI