Se
dae
ed
ne head
+ es
ort
vas
ya:
2
remoyvod
from
Aleem
the
teh
gos
.
32
sat
wate: ard dis
,
Nw et aosemoLed
tia
Be
Be
ctlace het
agreaaeer
eskage
had ccewived.
maintained at 5 g's while the vibration frequency was varicd from 3 to 2000 ep
the frequency was held fer 1 minvte at each resonant freauency vhich vas fount
during the scanning.
The vibration was applied first in the plane parallel to tae
centerline of the head, then in the plane perpendicular to the centerline.
Ke
failures cecurred,
For the acceleration tests a flig
into wo sections,
plane,
eady head was separated at the filter joint
Poth sections were pinced on a spin table in the deceleraticn
The load was raised to 50 g's and held there for 1 minute.
cecurred.
‘The seztiong were then placed in the acceleration plane,
mately 15 e's, the programmer started its functions.
50 g's and maintained at that level for 1 minute,
and there were no failures.
hed been vibration tested.
Ke failures
At approni-
The lead wes increased to
ALL functions occurred properly,
The tests were then repeated, using the head which
The results were the same,
The results of these tests, ag determined by preliminary analysis by CDC, show
that the head design appears adequate for the environmental conditions anticipated.
&r
B,
Further testing of the possible sources of leakage in the heads was conducted
at the Morris Dam Small Calibre Range, Azusa, which is a facility of the Naval
Ordnance Test Station, Pasadena, starting on 14 July 1958.
Ten heads were dropped