Downloaded from https://www.everyspec.com / MIL-STD-810D. 19 July 1983 I-3.7.4 utch chanue maneu er lo~ fore and aft ,, test directiw. For fuselage-mounted equipment,Vthe test’levels for Procedure”I (Structural”Test) are the fore and,aft levels as determined fromtable. 513.3-1 or 1.5 times A Nx, the load induced by pitch change, whichever is higher, where 1:5 is a‘safety factor and A Nx is computed aa follows. ANX = Where: d = e= fore or.aft distance of equipment from aircraft CG in eters y:%s~itch veloc”lty in radls (if unknown, use’2.5 radls). *. r. II (OperationalTest), the test levels are the fore and aft test levels as determined from table 513.3-II or A Nx ,., whichever is higher.
For Procedure ,., .,. I-3.7.5 xaw maneuver 1- lateral left and right direc-. For wing- mounted equipment,.thetest levels For Procedure 1.(Structural Test) are the lateral left and lateral rightlevels as determined-in table 513.3-I or.1.5 times A Ny, the lo,ad‘induced by yaw,,whichever is higher, where 1,5 is a,”scfetY factor and A Ny ia computed as follows’: ., ,,. .. WQere: d .. lateral distance of equipment from aircraft CG in meters Y =- absolute value of maximum yaw’acceleration in rad/sec2 (if . unknown,.use y = 3 rad/s2) ,.
g = 9.80 m/s2 ,0 For Procedure II (OperationalTest), the test levels are lateral right test levels as determined in table 513.3-11 or..A Ny, whichever.is the higher. ,,,,. . ... I-3.7.6 Yaw maneuver LQCMISfore and af t test direc For fuselage-mounted equipment, the test levels for Procedure I (Structural Test) are the fore and aft ,levelsas determined”from table ,513:. 3-I or 1.5 times A Nx the load induced by yaw change, whichever.i~:higher’,wher6 1.5 is “asafety factor and A Nx is computed as follows: . - ,.. ,. .... .. ,..,. ,,$G.. ,,, ,,,. & ANX= g Where.: d .
fore and aft distance of equipment from aircraft CG’in meters y = abso}ute value of maximum yaw velocity in rad/sec (if unknown; .. use .Y =“4.radii) :. ,,. g-i 9.80m/s2.. . ... For Procedure II (OperationalTest), the test levels ace’fOre and aft test levels as determined from table 513.3-II or lj NX , whichever iS higher . : . ) , , ,,, . .. . } .,, . ,. ,. .,, MSTHOD 513.3 19 Jllly1983 .. 513.3-8