Ribner, Herbert S

English

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NATIONAL ADVISORY COMMITlEE FOR AERONAUTICS 
ORIGINALLY ISSUED 
Augu8t 1945 as 
Memorandm Report L5H21b 
ATTAIFnZNT OF A STRAIGrpT-LINE TRAJECTORY FOR A PRESET 
GUIDED MISSILE WI!I"E SPXIAL REFEFENC33 TO EFFECT OF WIND 
OR TARGET MOTIOX 
/ 
By Herbert S. Ribner 
Lanaey Memorial Aeronautical L a b r a t o r y  
Langley Field, Va. 
WASHINGTON 
NACA WARTIME REPORTS are reprints of papers originally issued to provide rapid distribution of 
advance research results to an authorized group requiring them for the war effort. They were pre- 
viously held under a security status but are now unclassified. Some of these reports were not tech- 
nically edited. All have been reproduced without change in order to expedite general distribution. 
https://ntrs.nasa.gov/search.jsp?R=19930093509 2020-06-16T23:06:28+00:00Z
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MEI No, L5H21b 
Target 
F i g u r e  1.- P u r s u i t  p a t h  due  t o  w i n d  o r  t a r g e t  m o t i o n .  
NATIONAL ADVISORY 
COMMITTEE FOR AERONAUTICS 
Tar ge t 
F i g u r e  5.- T r a n s i t i o n  f r o m  p u r s u i t  p a t h  t o  c o l l i s i o n  c o u r s e .  
0 
m 
I 
cl 
Target 
MR No. L5H21b 
Target 
NATIONAL ADVISORY 
WMMITIEE FOR AERONAUTICS 
T a rg e t 
, 
I 
F i g u r e  2 . -  A i r p l a n e  o n  p r o p e r  b o m b - a i m i n g  c o u r s e :  ~ r o ' j e c t i o r ~  
i n  v e r t i c a l  p l a n e .  T o p ,  c o m p o s i t i o n  o f  v e l o c i t i e s .  L l i d d l e ,  
p a t h s  o f  a i r p l a n e  a n d  t a r g e t  r e l a t i v e  t o  t h e  a i r .  bettor,, 
p a t h  o f  a i r p l a n e  r e l a t i v e  t o  t l ie  t a r g e t .  
. 
MR No. L5H21b 
NATIONAL ADVISORY 
MMMlnEE FOR AERONAUTU 
M/'s s ;/e 
10 sec. 
Target 
F i g u r e  3 . -  A c c e l e r a t i n g  m i s s i l e  o n  s t r a i g h t - l i n e  t r a j e c t o r y :  
p r o j e c t i o n  i n  v e r t i c a l  p l a n e .  Top c o m p o s i t i o n  o f  v e l o c i -  
t i e s .  M i d d l e ,  p a t h s  o f  l a u n c h i n g  a i r p l a n e  ( e x t e n d e d ) ,  
m i s s i l e  a n d  t a r g e t  r e l a t i v e  t o  t h e  a i r .  B o t t o m ,  p a t h s  o f  
a i r p l a n e  a n d  m i s s i l e  r e l a t i v e  t o  t h e  t a r g e t .  
MR No. L5H21b 
Target 
NATIONAL ADVISORY 
COMMITTEE FOR AERONAUTD 
F i g u r e  4 . -  A i r p l a n e  ot i  p r o p e r  b o r r b - a i m i n g  c o u r s e :  p r o j e c t i o n  
i n  h o r i z o n t a l  p l a n e .  T o p ,  c o m p o s i t i o n  o f  v e l o c i t i e s .  
M i d d l e ,  p a t h s  o f  a i r p l a n e  a n d  t a r g e t  r e l a t i v e  t o  t h e  a i r .  
B o t t o m ,  p a t h  o f  a i r p l a n e  r e l a t i v e  t o  t h e  t a r g e t .  


Attainment of a straight-line trajectory for a preset guided missile with special reference to effect of wind or target motion

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