“small beings”49 pages
- p. 17 …Others remain nonbelievers or
at least skeptical of the existence of alien beings and elusive vehicles…
- p. 19 …Moreover, operational necessity required that these balloons be launched during daylight
hours. It was therefore not…
- p. 30 …This has since grown from a minimal amount of debris recovered from
a small area to…
- p. 35 …This included, for example, a small
amount of missing "decimal files" from the 509th Bomb Group…
- p. 36 …This was a small section of the July Historical Report for the 509th Bomb Group
and…
- p. 37 …To believe that such operational and high-level security activity could be
conducted solely by relying…
- p. 39 …The foil-rubber material could not
be tom like ordinary aluminum foil can be tom... "
Sally…
- p. 40 …Although there does not appear to be much dispute that
Cavitt was involved in the material…
- p. 43 …Lt Col Cavitt described a small area of debris which appeared, "to
resemble bamboo type square…
- p. 72 …being per:ormed on these bodies.
The bodies were described as the body of a small…
- p. 99 …It should be noted that the period from approximately 1946 to 1950 is the least well…
- p. 105 …Several small projects were completed during ~1e mont.~ includine
signs on all the·office doors, a…
- p. 149 …Streett 1s
office recaumends against it on the ground that that is a
small enterprize down…
- p. 159 …I do not recall the incident being mentioned again as being any big
deal and I…
- p. 201 …We even simulated a small lightning strike over dry snow (just
from the snow blowing over…
- p. 258 …Big plastic
balloon with small auxiliary plastics," etc. "Watson Lab and
gear." "Followed" (inaudible) "receiver until…
- p. 261 …explain bodies or material that can't be
folded) by a sledge hammer.
Q: Let's…
- p. 328 …The witnesses have recalled small pink/purple "flowers" that appeared I to be
some sort of…
- p. 401 …b7 how ra*
the receiver •7 be re110ve~ .t'rows the pre~er. red height withqut…
- p. 443 …geostrophic wind (the latter being
derived under certain simplifying assumptions) and since the
geometry of the…
- p. 458 …Two designs which compro-
mise extreme cost (required for balloons of high internal pressure)
with small…
- p. 479 …This means that several hours might be required to fall through
the lanes of aircraft traffic…
- p. 484 …The change in drag effect may be realized by a decrease of
relative size of the…
- p. 487 (a)
Then:
(9)
or for small temperature differences:
(10) : - _L (.AI.)1-B T
the nega…
- p. 490 …gas of a balloon can be lost by:
leakage through small holes in the fabric or…
- p. 491 …for l:n•y small section of altitude is assumed
to be constant); and re.J…
- p. 506 in the preceding, section on diffusion end leakage the appendix
opening should be small. It can…
- p. 521 …is li~ited as indicated
above, small variations may be detected with the result
that it…
- p. 555 …being exposed about 10 hours
at cold temperature. (:S) During the floating period :many small oscilla…
- p. 565 …The very usef.ul information about be.llast flow was reported clearly, and
the principle of…
- p. 566 …Since the small external appendix with cardboard stiffeners was not
suitable for the large balloon, a…
- p. 580 …Following the initial activation at about 38,500 feet, small oscillations were
introduced into the flight…
- p. 614 …Figure 4 shows this appendix construction on a General M lls balloon which
is being inflated…
- p. 652 …At high altitudes, a difference of 40°C may
be expected in the temperature of the…
- p. 658 …To facilitate handling of the
line segments each length is prepared with a small hook on…
- p. 672 signals may be arranged so as to consume a very
small portion of -transmission time.
D…
- p. 738 …These values may
be compared with a diffusion loss of lift of the order
of magnitude…
- p. 742 …The constancy of level will be better the lower the
diffusion and the lower, therefore, the…
- p. 762 …te
.::mrcht:.se of small item£. A furth..:r rec:uest ~s been subr:rl tte…
- p. 783 …be of such a valve that
with a large r~diosonde frequency variation for a small…
- p. 785 …It is expected that this
equipment will be flown about 8 l-1ay. A description of…
- p. 815 …Before gear could be recovered, most of it had be~~tolen. Stations operating
at north hanger…
- p. 842 …Range started to slowly increase as did elevation with azimuth being
stationary. The echo remained beyond…
- p. 862 …By using this
stressed tape design, much larger loads may be carried than
the thin polyethylene…
- p. 874 …At this point, two small holes about
18" apart have been made, and the rip line…
- p. 881 …If thodolite stadia determinations are being
made, the banner can be used as one of the…
- p. 898 …laid out, A small amount of gas at very low pressure
Should be valved into the…
- p. 910 …The motor gears may be cleaned with
carbon tetrachloride and a small clean brush.
If the…
- p. 918 …Each combination of dots or dashes may be identified
by ear, and with a calibration chart…
ture difference between the lifting gas and free air. Evidently
the.effect of ventilation as the balloon moves through the air
oauses the lifting gas to remain at a temperature approximating
that of the air, and the increase of lift due to temperature
variation is small in magnitude.
Since changes in the value of free lift appear incapable or. causing
any appreciable increase in rate of rise, other possible variations
such as a ohange of the drag, or fluid friction, effect must be
considered.
The equation of Korff is based upon the assumption that the effect
of the change in Reynolds number and the change in size are of equal
magnitude, but in opposite directions. Therefore, these variables
are eliminated to obtain the stmple engineering formula of Korff.
With a non-extensible balloon, however, the change of drag effect
is probably less than the effect of change of Reynolds number. There-
fore, it is likely that the rate of rise would increase l'r:i,.th alti-
tude. The change in drag effect may be realized by a decrease of
relative size of the flabby, unfilled portion of the balloon. Thus
there will be a decrease of the drag caused by flow of air past this
flabby portion as the shape of the balloon changes; the result will
be an increase in the rate of rise of the system.
c. Superheat and Its Effects
The effect of the heatin~ of lifting gas by the sun's rays has long
been of interest to those using balloons for atmospheric investigation.
In cosmic-ray studies using freely extensible balloons, this heating
effect was used to advantage in extending the length of flights.
These flights were often released at night using the heat added at
sunrise to replenish lift lost during the night by diffusion and
leakage.
In constant-level balloon work, using non-extensible balloons, the
effect of superheat of the lifting gas is more often a disadvantage
than an advantage. The disturbance of the flight is not great when
the gas acquires this superheat but may be disastrous when the super-
heat is lost. It is at this time that a lerge amount of ballast is
required to keep the balloon system afloat.
Let us investigate the effects of gain and loss of superheat on a
full, non-extensible balloon. We shall try to explain these
effects in terms of percentage loss or gain of lift of the balloon
system by use of simplified engineering formulas. First, the
genera 1 formulas:
(1) Lift: , where
vb = balloon volume
d0 , dg = density of air and liftirg gas, respectively
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