PS Magazine - OCTOBER 1975
PS, The Preventative Maintenance Monthly
ISSUE 275
OCTOBER 1975
I
-
-
±²
SYSTEM CHECK
1.
Turn the computer switch
on the rangefindEr to ON posi-
4±
Re-lay
the
gunner's
peri±
sCope reticle on the upper left
·
.³
´
i
co²er of the reference target the
µ
: · ± ²³
same way.
'
.
±
²³
I
i
-·±
²
³
_+.´:
'
I
I
,
5´
Put the gunner³s quadrant
on the gun breech pads, carefuLLy
center the bubble and write down
the total gun e´evationµ
Now, subtract the recorded
gun eLevation
( 4²6)
,from the totAL
gu¶ eLevation
(11³2´
µ
¶
WHa· You
have
left,
of
course,
¸
is
tHe
supereLevation for ¹º» ammo a·
500
meters rangeµ Put this down¼
here½
(Take this figure, ¾hatever it
is¿say
6µ6
mils¿and
Look
at
TÀbLe
1,
System
ToLerances and
see iF it fits inside the tolerance
7µ0
- 6¶4
for superelevation for ¹ºP
ammo at
500
range½)
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