9-5] 



ANGLE TRACKING SYSTEM ORGANIZATION 



Projectile Litie R- 



481 



(a) Projectile Launcher With Separate Drive (Turret) 



(b) Projectile Line and Antenna Positioned by Moving Aircraft 

 {Fixed Guns or Missiles A4= A pj 



Aircraft Drive System 



(c) Projectile Line Positioned by Moving Aircraft 

 (Fixed Guns or Missiles) 



Antenna Drive System 

 X = Eliminated in Missile Seeker Systems 

 t = Modified for Missile Seeker Systems 



Fig. 9-2 Forms of Antenna Drive Systems. 



// = projectile flight time ^^tl = antenna tracking line 



Et = tracking error y^Ls = angle of line of sight 



Ep = pilot error yfpx, = angle of projectile line 



^A = angle aircraft in space 6pl — angle of projectile line from aircraft 



Pc = computed projectile angle Al = angle of tracking line from aircraft 



(lead angle) 



