“G. A.”60+ pages
- p. 33 …The specific Air Staff/Secretariat offices queried included the following:
(a) SAF I AAI, Directorate of…
- p. 75 …the Public Information Officer, Walter G. Haut,
issued a news release that the Amry Air Force…
- p. 104 …vt. G. Hilburn, f'onner Assistant Base Adj•lba.nt, transferred
~~ Squedr~n "A", 427th AAF…
- p. 114 …SFERRED
A. OfFICE , •. STORAGE A. FILE CABINETS (No.) 1. TRANS. FILES (.Yo.) lc SHELVING (Li•. Fl…
- p. 133 …reporti.Dc aot later t:t:.a date 1Jl41catecU
8 Jplx 1947 Cl&tl
Lt. G…
- p. 143 …9:15 A.l:.
9:15 A.~.
9:40 li..M.
9:43 A.ll.
9…
- p. 144 …on fhone requesting a B-29 be sent to
Blackstone, Va. for a celebration by the…
- p. 198 …Cor.anandinr; G~nerel, Army Air Forces, \'/aehint;ton 25, D. C.
ATTN s AC/AS…
- p. 282 …I then went into industry, and I worked for EG&G, a high-
technology company based…
- p. 303 …AlllllffO
PAirrS OP rNF ./OSS.tMM:Y WI./.£ FIT AND
01'€/t.ttrl /It A PROYFA…
- p. 307 …I do not want a lawyer. lamwi · g to answer questions or make a statement or…
- p. 322 …4 consisted of a "cluster of (meteor(>logi-
cal) balloons" and a "regular sonobuoy."23 Presumably…
- p. 401 …a.:-:1!! of the sound channel would also
b~ detectable by l1!te~1r.g at…
- p. 407 …dribble constructed of a five (5) gallon tin incorporating e 11etered
jet to allow a predetermined…
- p. 418 …O.oJ nnel KN'$~.ll.!a G, ~ftr. 0-18373.. «C •.• _~ ..
Retent1Qn: Indefinite. No known replacement…
- p. 436 …A typical night using
constant ballast flow at a rate slightl7 exceeding leakage losses
is shown…
- p. 437 Fig • 9 is a typical night with DO ballaet. !he night train· tor
these flights ia…
- p. 472 …the tloa tin_g level. (The
switch is set so that a rate of change ot…
- p. 483 We may use this equation to approximate the rise of a full balloon
system when controlled…
- p. 488 …A = 2.39 x 108 col I erg
Cp = specific heat at constant pressure
g = acceleration…
- p. 490 …flow, Is and a co-
efficient of leakage,Cd•
(1) where g is the acceleration
due…
- p. 495 …lf • 50 ~ tof:g}af =7820 GII/HR
Values for leakage at several different altitudes…
- p. 506 …tight upon release of this internal pressure.
G. A Ge.tleral Equa.ttc:m of Motion…
- p. 509 …It is for this reason that a non-extensible balloon is said to be
in a…
- p. 510 …a g I -'- (~ .!L)
F, = vb Pa LAo To - Tg Rp + Ro
Discussions of the contamination…
- p. 511 …or 9J <{J)G · dt dt lc
We might also have a control tbl t will…
- p. 512 …1t> !!A_} is the- time during which pressure change of
the airdlurro8h!1~g the balloon…
- p. 523 …The performar.ce specifications are as follows:
(a) Rotation: one revolution every 12 hours
(b) Duration…
- p. 528 …Adjustments are made on the adjusting
screw {L) and the lower ring {G) before each flight…
- p. 536 …flight, a 65-pound load was lifted with a linear array of 28
350-g~ rubber…
- p. 553 …On Plight 43 the tiret model ot an Olland-o7cle pressure modulator was
tlown with a…
- p. 558 …and a satisfactory Olland-cycle
pressure modulator~& also used .for over 5 hours to give height…
- p. 560 …This flight was released at night with a fixed ballast flow of about 300
~rams per…
- p. 573 …Flight 82 is a good example of i'light using a single
fixed-leak orifice for…
- p. 574 …Below the baroswitoh a standard T-69 radiosonde was
supported with a parachute stuffed into a…
- p. 577 Fli.g!lt 89: Released from Alamogordo, New Mexico, 1005 MST, August 26, 1948
Not recovered…
- p. 584 …a near-floating condition for about four hours when the transmitter
40
/ llllllff-~ CUIIVK ~
ICIUMD G…
- p. 589 …With a loss of 10°C superheat, and a limited flow (900 grams per hours), it…
- p. 594 …flight a high loss of lifting gas caused the total ballast
load ot 600 g~s…
- p. 610 …g. Low brittle temperature
h. High transparency to heat redie.tion
Table I is a qualitative…
- p. 625 …C"N-~.~-
8 "/)/A.,=_--.s:¥::J.i:;##
PuRD.t.;f.T..t:Jte fiL relf! ----....
CA…
- p. 630 …11A rt:~IA.t. - B.t.owN Pr.eex
G£.A.5S
"A1-e CHA/"'f1J4…
- p. 646 …rate of rise in feet per minute
G : g~oss lift in grams
For our purposes…
- p. 650 (Approximate)
where G • gross load
A chart, Figure 24, has beendrawn up, based on this equation…
- p. 652 ~G = G X ~X (1 • K) K
T
where t::.. G = loss of lift
G =gross…
- p. 675 III
II
!
I
rl G 01
NYU BALLOON PROJCT
FLt8ht 5
DAT£ 6-5-4…
- p. 680 …Fl G 36
NYU BALLOON PROJECT
FLlGHT 7
D<ll-e: 7-2-47 E 0…
- p. 683 …n..1m•tter
Fl G.3 9
NYU BALLOON FROJtCT
FLIGHT 8
D a. te 7…
- p. 686 …to a thtmble
a.nd attached to re1n forced pCltches
at alterna.te .sea.m.s…
- p. 688 …H.A.Smtth Inc. v.11th reinforced
blowout pa.tches to vent 9Q.b when
f1red…
- p. 690 …G.M.. OO!"pol.yettHlent- balloon
w1th 1ncend.1a. ry pa.tch on e~:~u a…
- p. 713 …OBSTRUCTIONS TO AIR NAVIGATION
A. WHITE SANDS, NEW MEXICO, PROV»>G GROUND -NEW YORK UNIVERSITY - RELEASE…
- p. 731 …2. "Progress in Developing a Constant-Level Balloon", Report by Dewey and
Almy Chemical Company, Cambridge…
- p. 732 …Lugeon, Jean, "Le Poste Aerologique de la Station Centrale de
Meteorologie a Payerne et les nourelles…
- p. 742 …The automatic control is needed for flights
lasting through a period in which day changes to…
- p. 749 …1\\a Mr. o. c. Vinsea to C.B. Moore on rlait.
5/l'J/47…
- p. 761 The follo'W1.n.g personnel lolere hired but later resigned:
1!.!.!!
Robert 't:isnieff
Robert…
- p. 770 …diameter ballgons made
from polyethylene .00411
polyethylene .008 11
saran • 00~25 11 aDd a
fortisan…
- p. 775 …g o! Ul ins":.tument coiilpany whicr. wo,.tld cor.struct
the altitude control devices. A…
- p. 779 …As a result of this preliminary study a sub-contn:.ct was
given to H. A…
To reduce the effect of ~rying fluid heads and a corresponding
variation in valve calibration, a ballast reservoir mounting was devised
to limit the head values. This ballast reservoir, after several modifica-
tiona, consists of a spun alwninum tank wi til filter, mounted on 18-inch
legs. It is shown in Figure 15. The legs serve as supports for the other
control units and a head of at least one foot is provided by tubing to the
autODI8.tic ballast valve. The capacity of the reservoir is approximately
five gallons. Figures 16 and 17 show the complete ballast release assembly.
One other system of altitude control may be mentioned. This is the
4
method used by Korff and others to roughly approximate constant level
flights for cosmic ray investi!ations. A numberat meteorological balloons
are inflated until they will just support tl:e flight load. A ff!IW other balloons
are added to the train to give a free lift appropriate for the desired rate
of rise (see Computations, Section 3). At some time after release these
"lifter" balloons burst due to over-inflation, or are released by a pressure
or time-activated mechanism. lf the original balance was correct, and the
effects of superheat and diffusion can~el each other, the cluster of cells
may float. When one or more of the balloons breaks, or leaks excessively.
the train will descend. Although this method was used in early experimental
flights it proved to be useful only as a stop-gap method of carrying gear
aloft for test purposes. No modification of this basic technique seems likely
to produce even a consistant flight pattern due to the uncertainty of properties
and behavior of these inherently unstable balloons.
C. Altitude Detennination
In order to evaluate the performance of the basic control
apparatus, an investigation of pressure-measuring equipment and telemetering
gear has been made. The problems of measuring upper-air conditions in general
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