WORKING CONDITIONS AND EXTERIOR BALLISTICS WORK AT BRANCH NO. 1, GORODOMLYA ISLAND

• Document Type: CREST
• Collection: General CIA Records
• Document Number (FOIA) /ESDN (CREST): CIA-RDP81-01030R000100150002-2
• Release Decision: RIPPUB
• Original Classification: S
• Document Page Count: 11
• Document Creation Date: December 23, 2016
• Document Release Date: August 21, 2013
• Sequence Number: 2
• Publication Date: August 25, 1953
• Content Type: REPORT

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CENTRAL INTELLIGENCE AGENCY
INFORMATION REPORT
SECURITY INFORMATION
This Document contains information affecting the Na.
Lionel Defense of the United States, within the mean.
ins of Title 18, Sections 729 and 724, of the U.S. Cods, as
amended. Its transmission or revelation of its contents
to or receipt by an unauthorised person is prohibited
by law. The reproduction of this form is prohibited.
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COUNTRY USSR (Kalinin Oblast) REPORT
SUBJECT
DATE OF INFO.
PLACE ACQUIRED
Working Conditions and Exterior BallleticsDATE DISTR.
Work at Branch No. 1) Gorodomlya Island
NO. OF PAGES
REQUIREMENT
REFERENCES
25 August 1953
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11
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THE SOURCE EVALUATIONS IN THIS REPORT ARE DEFINITIVE.
THE APPRAISAL OF CONTENT IS TENTATIVE.
(FOR KEY SEE REVERSE)
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1.
2. The following are corrections of the spelling of Soviet names appearing in the5?X1
attached reports
a. Popjedonoszew should be Pobedonoatecv.
b. Bosoh-Kozyubinsky should be Bosh -Koteyubinskiy.
0. Wassilyev should be Vaeilyev.
d. .Kieselyev should be Rieelov.
e. Landyehev should be Landishev.
f. Skripnitehenko should be Skripniohenke.
g. Miskevitsh should be Mitskevichs
h. DranovskY should be Dranovskiy (also reported aa novskiy).
S. Tehernopyatbv should be Ohernopyatov.
j. Brazeva should be Brattseva,
k. Tehernykova should be Ohernikovae
1. Raeumova also reported as &move.
STATE
I#X I Y I ME I AVY
ikt los
ihe
Fel
I ACC
(Nein Washinote Distribution Sind sy "x", Mold Disttibuilon Sy "*",)
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COUNTRY
SUBJECT
PLACE
? ACQUIRED
DATE
ACQUIRED
DATE OF I
SECURITAMMATION
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USSR
WOrkint-Cenditiona-iti Ostashkov and Exterior
Ballistics Work There
?
THIS IS UNEVALUATED INFORMATION
REPOR
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NO. OF PAGES 9
NO. OF ENCLS. 1
(LISTED BELOW)
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REPORT NO.
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NOSS CONDITIONS IN MASSY' IN NOVEMBER 1946
1.
2.
3.
14.
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As far as housing was concerned, sufficient space for the Germans existed:
All apartments in two brick apartment houses were redecorated; in the
wooden hoOseavork wits still in progress, but there were also enough
apartments available.
Fire wood supply was especially short sad forced to cut trees in
the foreet throughout the winter of 19L6. Every eight to fourteen dlys
given a day off for this purpose.
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5. Work did het"begin until. the end of November; or early in December'1946.
APproxiMateilbetween the-20th-and-25th of November, Col, POP3EPO14OSZA4
end DiPl, Ingo GROETTRUP anti/ad-oil-the Mend froth MISOO* te organize
the work.. POPJEDONOSZEW was very reserved and left everything to
GROETTRUP.
? .
64 The Gertan group on 'the Island belonged to Branch No. 1 of Institute 88.
Inetitita-88 was it'Podlipki, a suburb Of -Mosconi :co itbelong
ed GROETTRUP and
the' rest oft-theaGeriiine-frOMBleieherode-ilid-Soeliiiait- "GROETTRUP brought
with him a list'Of-ailikies for-the-Dettans in Brabah-N6.1L-ind divided
that-Jae working -groups.- He designatediCIRCHNER as his deputy in admin-
istrative matters, and .Dr. WOLFF was to fUnctionas the Professional
leader Of the German speeialists on the Island.
. ?
7. The'f011oting Working groups were created /gee Enclosure ($ an organiza-
tion chart of Branch No, 1, Institute 88,.dorodomlya Islan
a. BallistieS: Dr. WOLFF; with-hint Dipl. Math. Werner MUELLER, Dr.
SCHLIER and auxiliary personnel.
.
b. Billiatid-Speoiel-GrouP1 Prof, nosEi with-hii two 50X1-HUM
aosietaht;"Tne.teasonfer-the-sPeoiel"poeitierief the EASEgreup was that GROETTRDIrddtnot'iwint to heVi?Pref. MOSE-Under
D1. WOLF?. -Relations between-Wet:1=8E4M tir.-NOLFF were
teried-bechted'he-,' KLOSEIotherved-Soon enough that Di.
? played the more important role with GROETTRUP and the Soviets.'
_ ,
? Aeradynamiesi Dr. ALBRINGO:ith him"Di4,11HWARZ, Dr. SCHMIEDEL,
CONRAD, Fritz MUELLER and huliliary, personnel.
d. Thermodynamics:. Dr. =ISE, with, Ma Dr. EMT, Dr. REICHARDT.
e. Fuels: Dr. smand
f. Chemical Group: Dr. MATTHES; with him Dr. OTTO, Dr. STRZELBA.
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6.
h.
Design:. Dig: Eng. BLASS; with him HESE, ANDERS, BOLLET,
SILBERNAGEL and others. .50X1-HUM
Statical. 'Dipl. Eng,?RudOlf MUELLER; with
Dip).. Eng. MARONE, TOEBE
Ma Dig ?? Ell ? . AD050X1-H U M .
and WENZEL.
S. Special Scientific 'Group: Prof. SCHUETZ, Prof. !RISSER
and Dr. HOPPE.
8, Oalq provisional office? were available in the beginning. Design was
boated in a Small woOden building-with'eevetiibaeoient'reopi, which- -
became later a school. Most of the others *tilted in'a sitilat building,
which-later-be:iamb teMporarily the'idministration'hialding, and at the
end of oUr?stay-in the USSN'was esed'asakindergartan for Soviet children
wheie parents Were-emPioked., Alho loverai-robisAn-the-WOoden houses
*Ore Peed as werking'places.? Frequently groups mated from one working
rboi te inathei. The Original ihstitUte was.not ueable. The blinding
tab damaged; Probably'by artilleriland showed fire damage; most of the
windows and many doors were missing..
. ?
9. The eirriete soon initiated reconstruction, and single working groups *vied
into, the institute building by the summer ind.fall of 1947.
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10. At-working fields for the groups from Rleichroda and Soammarde, rector,-
etrietion ind"deveiapment of'the.A-4 (V4) was 'planted; This job had
alteadfoneupied-thete'greUprin Germany it '1945-1946; at the so-called
"Zentrelwerken'at SleiChernds.- VOLFF?and ALBUM brought
data from their work at the Ilkentralwerkell with them; and were thus'
able to work toilet's extent inthe7. Prig% ROSE-was to work on
the. reeket-grasierfillh. KLOSE1 rcculd not-return'to Germ when
deported fram'kerlin on 22-Octebir 19 6,4nd consequently hid no data
at the'dtatt- ?nflran?1ui4?.i. KLOSE etarted.then'te recall
btiomory the fieCessary data. Even'a'tabulation Of..the attosiherid dita
(tempariture dietributien is A-function oriltitudeittmospheric pressure,
airdaneity) Wie-newly:dalculited: 't/t-aPPearedlator that WOLFF had
a-fibulition'of:the'Gertin-Nnriil-Atiedphere....4a Used by the German
cooperitia-eXisted betweeff-ELOSE-indWOLFF;'and MOSE
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ering of-19471'difloperte-reac e USSR which had been written
ott.id-net nee-WOLFInki-thititilain several-Montlies. inthe
-
in KLOSE's department at GemO
. _ _ , . . _ .
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U. ihen7Ocirk'beigin'it-the-RBSR.'eVerkthint tat-laekingt piper', calculators,
Mitheiitidil eharte; eta.-1
the nectseary Work was executed lopritnmicalxv
bY-teinfltitate tables. :It-iis-impobbible'in the-beginning to get a
dloar denial:it froth the'Soviete Wreepect tolierking'hours.' The dir-
ector-ottratchile.11 at thie timel'AGAFONOV, ankedOreference.
The Gerithi'saggestedi: eight'houra-per-dayl-the edientiste (professors .
'and dedtore)-eik'houra, SaturdaY ifternoon'free, and one'dgy a week off
fticepOd bUtting. AGAFONOV made no definite commitaants, butJ7zflYl ulmi
tpprdgimately that way. 50X1-HUM
12. Working hours were 'not cheoked. It wis'cuatdmtry to gd home once in a
While durine-werking houreithie'Paa'aiso necetagribecatee salitery
inettIlationd in the 'jerking-01:1de were very bid. In WinterwOrk slays
started'liter'tteauee the mornings were dark and there was often no '
electric current. 50X1-HUM
? .
I. At the time of arrivel the following Sovieta(tspediany in charge ?
dflermane)wete on the-Island: the dirattor,AGAFONOVISIBELOV who had
tdminiitritite-duties andWae Iaterttineferrette-PedlipkilMATIUMIN,
AO cider' poreen'whe-had ltter-adminiettatite-fUnotIonii, but isalIed'him-
soli 110dgiatndefitylater-onrand SRURIK, i party eficiAlllthe beceee'
later pittreedretary in-Oetteihkot:' There We'r(alieSeviet gitls'eho ?
*Corked-is aertante-in'tho'bouses-and'Oeretn-tptrtiente, and-kitchen -
.0ersonnatin the'reetaurant. FUrthernoreleoidiere woreetationed on
the'Ieland-Whflarked bh.bnilding cOnetrUction:- retie tutored-that
they were a penal company land that they had been German priaonera 015E(tHUM
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14? Ia the beginning the most important Soviet for?the Work (if the German
specialists waellOSCH-KOZYUBINSKT. Be arrived shortly after
oethe Ieland and was presented as the Man responsible for all
ebrk qpietienall He Made the impression of
wag well-iiidteated and. or being one Stith many interests') he spoke fluent
German and appeared'to.talamiliar with the essentials in the'rocke450X1-HUM
fie1d. From the beginning he had a good relationship with Dr. WOLFF.
15.' About this time two interpreters arrived on the Island. One of these,
Ritt'SPRO041,-enoke excellent German and mined ab Branch No. I. for
several years
until the spring of 1950),kha second inter?
.
pretax* remained only for a short time, and was replaced by others.. 50X1-HUM
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.16. At the .begiiming BOSCH-KOZYUBINSICI asked tat the SerTaf) wishes %bre
in 'regard' to- the work." fie-heard a ltrt of complaints ?.cautiously or-
mulategt-try Dr; -WOLFF, a tr cmgly .p?3d by. KLOSE--: which' hUrt BCiSCH.50X1-HUM
But consequently be' tried to inproveworking cianditions. ; For
sample, writing paper arrited. It waEi a thick, ? brown wrapping paper
with a -very: high pulp bontont, thich had to cut in -
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ortYPeariter- site, 'One ? 'could hardly *rite' on this- paper.
StMietiiiie raleflied" a ;Very' thin-paper' with Veit?' high pnlii ?Content;
iitieb-Mas even Warta far Writing- rposes:
A printing shop in Ostashkov printed calculation forms
Oilbtaiin Paper- ?normal- thibknesa; SeVoral R?dAnThaictbr& arrived,
bearing the They were' Similar' to the- mull German
oBiluntrigan ? maithines. The gear wheels were poorly-fabricated, wore 50X1 -H U M
out qitiCkly,--ahr the Madhines were not reliable after a short while.
It was.very anneying that the- ?a/ablators -Were very primitive in design.
ifeit. Menthe later Gerthan Rheilmietail calculators arrived, partly for
Operation- by hind, prartIY half-automatic. 'tartly 'fell-automatic:
Stated41th -thistle =Chines *Efithiiut? any ma;50X1-HUM
repaire 'et' overhauling. For' some automatic 'machines carbon replacements
for the Motor Wife-necessary; Imitr?eou.id not get them. All 50X1 -HUM
tb-? the-Branch atithinietration, or. to 88 Pedlipld remained unanswered, .
doiiPite direCtiona as to Where theeif 'Carbons Were. atailable in 050X1-HUM
mink; -Gansebuentiv. Several -inch' machinel-Cord no longer be ?aerated.
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11. the ?firist bOokii received for work in Ostashkov.were German
books, ? taken-from Varian's libraries; for sixaMple,'-from the Air 'Aeademy
In Oita* 'near-Berlin; That 'Mere' Mainly table's' (tables-of lbgarithms,
Of- eq'tereel'tables for trigonometric ?and hj??? funatiOnii,-Euid
Various idagaiine (for' example, Aircraft Re ifedreh ); With the ekceptien
of -thil table0; vett little *aa 0=5777 speciar type of- Ito&
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The billy "literatrnse on' rocIcets *eta a report -by MERGER' and BRW?,
Smitten diirin-g' the tar, which iiiscioubtedli had been mritten more for pro-
paganda reaeOns then .any- ?there. The purpose of the report may have
been to promote rocket science.
.? ? .?
18. Itilateettatk, paitapa'aftei-1949,-RuesiewbbOke-atrived tegularly at
tho-iibterfof BrarldheN6.-1 -; tattiniatioallphyilioalichetical ant.
othiebooks.-liateVerp.they *eta Mote fine the*SeViet-CoLworkers there.
Bibaase-Orlanguage'difficiatiee the-Germanehardly tater ailed them. It
Ith a-Girimiiiiish-to have thellagatine fol' AeliOdltilthemitics and '
- --(2itt)"ih the library. But it took years, and only after 1950
reaeive the new issues of the magazine; older issues were not
Available, 50X1-HUM
19. Inas possible to order books from the Lenin libraryin Moioow: The
On1, German who made much use of it was Dr. ZEISE: In general, it took
a Ling time to get a book this way.
20. Shortly after BOSCH 'cams, MALINOVSKAYA, a female planning engineer,
. arrived at Ostashkov. .About three months after work began BOSCH in-
elated that work records be kept of what was done during all working
hours. 'larking time had to be closely observed, the work week Was
48 hours. The German detand to be free on Saturdv afternoon was
taken into consideration. The Soviets agieed to this arrangement
(otherwise they Observed eitht hours of working time every weekday).
'
Slbwly the'habit developed for monthly working plans and of writings
monthly reports ahcut the fulfillment of the plans. In scientific work
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ii-beeiMe austOMAry"thafthe results were Slightly over 100 pot-cent.
..Diffidultiii-detroloped ifi theibbrkihg gaps whieh-depended on the
Oiipplf:Of-fietititlilb.?ThS-SOViStisahlgement-Was"genetellycentent if
At could report the fulfillment of the working plan on paper.
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22. Reports'ibeht-ieseareh'inri*Written:in-Gernme.. It first one.
and later eiViral Oemah:tirOewriteke'were available. The reports during
the 'first period weie.w4tten by Mrs.-XWAACKindw-Mrs.'STAHL) and by"
WCS.-..TROLLDENIER (haw.litif:-SIEGMBD) in-t*O-Or-thkee-Copies:-.0no'coPY.
Went terMddeew. termail'rep"orte-Were-trataited-bithe intStpriters
ititO'Bubsi&W. -But-tbeso[tranelations were often completed months after
delivery of the?GermaO report.
EXTERIOR BALLISTICS OF THE WASSERFALL, OSTASRKOV (November 1946-February 1948) /
First Task for Ballistic Examinations in Ostashkov
. . .
23. Thevtoriaetidn7Of the fitit-tiskewere'stited-in-very genera terms
?
b31 the All details were left to the initiative of the German
workers. ?
?
Work Order for the. WOLFF Grew
,
24. Thieinier..resiospted the_oreation of ballistic dats.for the A-41 ?
'a 'tiring table and- further..A-4-development.
projenflaidirWhnown as-the v0-1Mojeot (0 stood for
GROETTRIIP),I:the Soviets later paned it 11-10.
?
25. Thii general theoreticaleredeireh (without detailed
? subjectWatter);?Reeearehere weriii?ro.-MVLMieknOr NGELLER,.Dic
SCHLIECT iBr.-WOLFF-ilie began work On a theor956X1-HUM
turbations of the powered trajectory.
. _
Work Ordei-fei'ihe ELME Group
26. Thief. Order Webeerfall,' 'and- general theoretical50X1-H UM
research. The. researchernThDr. BLOSE1 50X1-H UM
27. RegardingHgaterirthebroticafeleirdh,-Dr.:ILOSE-Mide eiaMlnations-for
virinde' thtnet-PkcigtaMe.--Fer"diample; in'Intittitttent'drlie-wes'examined
bY-whiell-fnerisSlin-dietribntedithat'S-ceitiiiipoetibliottbe: fuel
Wareiternitily-bdrned-Oirnied'fok thrdst generation, and then followed
?
is-peiiod of flyin without thrust. The incentive to this idea was given
by Dr. SIEMONO G-1617. But these considerations were executed wiih-
out considering their technical performance.
. .
28. deepardsone of such thrust programs with the normal procedure 61' constant
flow were made. The result was, that by these other thrust programs no
'essential inereise'of range could be achieved. These questions were
examined by calculation of the cut-off values of vertical ascents.
.29. The continuation of previously Mentioned examinations for target procedures
.with AS rockets (target-seeking methods, dog curve and generalizations)
? was also conduated under general theoretical research.
?, ? . .. . ..... .. ... ..... . ...
30.' No cooperation between the WOLFF and !MOSE Groups existed:
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tassorfali Calculations in Ostashkov
31. Cant/num the reedit:rich Teti& had'heen done at Gema, several piano tree
jectories for Neaserfall iere-baldulatedl'the*deflectione'of which took
plab?ceerding-tO the differential equatien or the 'ground?Calculating
tAiti-TiajectOries"wete daloulated by moans of-the'above;;MentiOhed
"(161-? 1/01-1111-1701--(b1" tn-r71T--
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The calculations heel
the results indicated below. 50X1-HUM
32. $bosi:ifter.the'deflation-from'the'Vertidel-deeent,-faiilliarge angles
of ihoidehdo-(15?FapPeiredibib-this'dOeifnot matter;eince thee-rocket
aUbsehia-speed,'has-jet-reddere'and the necelieary
itddetangl?d cahreailWhe iebieted; -/n flying'thisbagh-the velocity
of'sound'(the RachINOPOr 1 and .1.2)1 the angle of incidence decreases
to 2 to 4
?
33. It it:abating. aircraft which are flying towards the launohing.point the
trAjobtbry of thellecket'had naming point (paint Of inflection)abefore
Ilgitaieg1420 target approach path (see sketches below):
Rein} of IrAcciion
0
Poir4 of
Leflithion
0
34. For -bemusing the altitude of the rocket after this turning point, in
sone cases rudder angles are necessary which are too large and would
Outpaes.the-pOssible'maxibUtof approXimatel3''250j-this'meant that the
? toOket'oen-not-keerthe prescribed trajectory." The-reason-for the large
nedeseary'rudder angle is that in supersonic region the distance te-? 15
of the pressure center from the center of gravity is fairly great. ill
such data wee by the Aerodynamic and Design Departments.
35. The deAdlipa0i, tot" 'the spat:win which a targettantot be ocebated by
? the -rocket; islaititelY large, because the beginning of the target
approach path often occurs very late.
. .
36. Becauas'only simple target approaches were examined, the transverse
aceeleretiOn (load factor) of the rocket remained smallikl2g.
37. These were the essential resultis in the Wasserfall examinations of the
KLOSE tamp until February 1948. The group was then dissolved, whereby
research on the Ilecerfall came temporarily to an end.
36. No rinietrch was conducted regarding stability questions at the starrand
duittflight, Or abedt the probability of hitting the target or of the
efietitetele Of hiteptertherm674 no comparieeno were tade.betemen tha
offitititinseforquallimmr4tAll onA AA A94411mover
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? 39. In-the suimer of 1948 the order &Lie from Moscm-for?Section gl
(Hiliistics,7Dr.-WOLFF) And Section #2 (Aerodynamics, Dr. AWING) to
Again work on Wasserfall. SeCtion #2-ehould.cMapile the aerodynamic
dita-(Cifriftej4kiCii.);""SeVerai'date were-givenwhich' originated
probibly frot?Sovietlkind-tunnel measurements. The researcher was
Filtz-MUELLER,-perhaps alsOMONRAD. Section #1 should calculate tra-
lectories, using the data from Section #2, as follows:
a. Trajectory with Vertical start and deflection into a linear
end-path-With cut-bit Ingle-VW. Tabulation of a program
? for the angle of inclination
. . . .
b. The same for cut-off angler = 60?.
a. The same for,: 3000
'd. Calculation of a plane trajectory withprescribed target
? Movement, *herehylt was-demande?that the-defleCtion shotld
foiloWthirdifferettittrequation 6f thebeledliting'unit and
that-the-angle Of-ificidenee-At.the *Ming -a the reeket-- 50X1-HUM
through .the velecity?Oreound-bluald be iiirotedeiVred no
replY'tor7777ObjeotiOn-that both conditiens-Couid.net be Ss
fiiledibeeitee-the-path orthe'rockit-ie-uniquely fixedlif 50X1-HUM
the eltitUde-engleebould-satiefithe differehtiel'equition-of
thi-daledliting Thitrijibterlivie that-Calculated onlY
indir'the'Condition-that-the differential equation of the cal-
culating.unit was pertinent.
I.
..???
The SoVieto deiahded'thatthe dependency of-the'ew Valdis 6:1
ihd'h-ahd-the.zikiet.thrust, caiiiionentSroik-Shotild.be considered
in-tho-path-direCtion.. The 'gravity acCeleketion'g Could be cal-
oulated'indepandentiy'from the altitude, censtant at 9.81-m/sec2
Since the'heighte ihvelveditre small. The whole equation system
was then solved simultaneously.
?
e. CalotlatiOn Of a*spatiel trajectory with preseribed-target move-
TherGermiti aekerunder-Whieh-rtles'the'reeket'should fly
? Witife'spatierpith-citrve., if far example the aide-angleir of.
the rocket?againit a'fixed-direction it the horizogtal plane '
should'check in every moment with the side anglemE46 of the
target, and how the rotation around the longitu 7-axis of the
rocket behavee'in flying a spatial curve.' No answer was given ?
by'the Soviets. Section #4 (Guidance, Dr. HOC!!) was also asked,
bdt no definite reply was made.
?
40. The following way out waq taken for ballistic calculations. First,
rig"- a, WAS ahoumoda Secondly it was assumed that the lift is
independent of the rotation angle around the longitudinal axis of the.
teeket.-.0te-fictitious rudder angle/el was introduced. It.was re-
.gerded as a task for the guidance, to determine !rem the fictitious
angle 'a and frot the rotation angle around the longitudinallixis of
the reaet, the factually nece arY deflections re of the altitude
rdddet'and of.the side rudder l/f. The assumptions' were doeided upon
in a conference between Dr. Werner MUELLER
- . -? . 50X1-HUM
hi. The tad equitien skstOm consist:: then of One vectorial force equation
(411-scaler'equatiens).,'the-mbment-equatiOh?(..1 Scalar equation), and
the geometric boundary equations for the various angles.
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achET -
-8-
142. spatial polar coordinates is useful for the treat.
. .
ment.of the equation system. The following designations are valid:
. .
E
xj,i'rectangular coordinates of a trajectory point (y. altitude),
rir,er polar coordinates a= location vector, r altitude angle, cr
side angle).
ft,t;1 rectangular .coordinates of the velocity vector? = .
Iv)e.stIP-PDXar coordiniter,of the-velocity.vector (v = amonnt?otspeect,
linelination angle Of trajectoryirpi angle between the projection
of the velocity vector on the horizontal plane and the x - direction).
43. Then the following relations are valid:
(7-40,,biC) (A) i,2.) r(cog r .c., c, r, co, r sik es) ?
(2?gt,b10 V Ls. ((, i) = v (Cos t (nt,. siewe I cos r?Siiii
.1)42 414,1310) = COS(' Co ?.$ re -At ti%Vrat COS - V tp COS t SI.V1 ep j.
?4, S . Vie Cos lc.
Cos tcs Si'vNee Si'vl.ef.' teCostourp).
W4. The unit vdOters in the xalz - direction are labelled with a, 4%
then the vectors
(170.,10.4)
{
eel tCoS If' Cos tp 6.1-1-Sin tact Cost Sin te az
-e,a escnigostego- cost (.6.2- s?v, tsi.nn,z.3
El = -S'untr.3.1 # COS rp a.3
fori i'eystem of three pairlike? perpendicular to each other, unit
vectors, and for the scalar products from (26) and (27) are valid:
(2.1o.,131c)
=:4,t itp COS IA
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50X1
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45. OonSeqUehtly the valuee\shtte an separated from each othe? by using
the co:Ordinates:system j27Y. Thia'coiordinates system iS the eight one
for tree:talent-of the three force equations. The first equation is the
'one, in,:theydireetieri-of_the nath-tengent. It.bebotee in an analogoue
way for the plane-Sep-a differential equation-af-setohd order fez. r.
Only; additional terms appear which containt and its derivatives.
Is+ Cra+ e co er
spat tr6 tie+ ( ft+ et
+rls(ft te'r e Corr - ci-N; sbi r cosi)
46. The equation ford remains as before:.
V S (c? @ Sty: r rr Cos r
la. In addition two equations are found:
V cbsr s(jec)ir.ricosr
.Cost , Cos (r p e)14 cos r r fa'
48. Frai-oniof these equations, or also by the equation resulting from
diVisien
itx (Se"4.6. rir.77,7"1 Fir s
. .
'results co'. Threugh differentiation of the equations for tand.rp
teSUItetafid-ti. -Thotelith.the'left'sidee of-the'dOcend-and.third
force-equation are"knewt.?TheSie and.thi-itmaining eqUitione-ard-for
the detertination Of the angled. The-44'16f incidence is always
positively calculated in spatial traijectories.
49.' In acritical review Of the results, the following was pointed out. The
trajectory-elloulAtionin the-above mentioned way is already in a plane
- out, but ispediaiiy"in.the.cate-ora sPitial trajecter4; a-very-lengthy
affair.' In Sot&redpeatifit'diecloseis More-thdirid actually neceSsart
tO.knowilike the valUe Of Opeed.0 every moment, th&pkth-COOrdinates,
etc. BUt-fer.the intended Purpose it would beifUllt Sufficient tO know
that the reeket.can-be-guided to hit-ths.target. -oh the'otnei.'nend, it
ie. :Otto ihtereit,toldiltrthe exact -flying tite'until the impact and
ttHo Speed Of the.reatt id at daVery.toment..--It4tUld be tore
iteasOnabio net"to-Integrate the' firstThree equation every time under
. consideration brill troilistanceirespeCially-eince the CoUree'of
VilOaitfin the Various trajebtories.'is not Vety Much different, 'hut
ieiCte..Onee-ihd ftit ?& fited Velocity cOurge and then&xamine, which
Arintverse-AcCelaritions, eta.. appear. For thie-pUrnose'it should .
ietnally be knot in.whichlity the rocket is being guided. -Research
in.this-direction mid met'dOhe because of lack of time. The deadline
, for COmpletion.of the Wasserfall 'calculations was September or October
1548,;'16.adeist in this work three Soviets had arrived fret Moscow:
0e :engineer who worked in' the aerodynamics section, one engineer ani
one calculator, both'women,who.participated in trajectory calculations..
d numerical integrations After Adams-Stcermer. 50X1-HUM .
50X1-HUM
50X1
ENCLOSURE (A) Organization Chart of Branch No, 1, Institute 88,
Oorodomlya Island, USSR
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