ML19256D306
| ML19256D306 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 03/22/1968 |
| From: | Grimes B US ATOMIC ENERGY COMMISSION (AEC) |
| To: | US ATOMIC ENERGY COMMISSION (AEC) |
| References | |
| NUDOCS 7910170814 | |
| Download: ML19256D306 (2) | |
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&&A PPedN Idt CP19) 101 19.8 L*NITF,D STATES GOVERNME.N~r Memorandum P00RBRGl%l_
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de. rived from a Ccr.vair 3U0 (2CO,0C0 1;) cr:.sa study recen:1 c:rpla c.i C;nvair and 7.u.
Mr. John.ioracrc, Chie f o f :he S truc tures In;incerin 5
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The loadin; for che 3ccing 707 (3CC,000 lb) prope:ed cy :he 2p-licant pea. c at abou: /.J ' ; (as opposed to the previcur 20'g ac cu--:1cn).
(::c te : Thu wa.: later chan?cd to e. '.s at abcut 70; cn.;2rch 22,1. c.)
Mr. Craneburger said that the previcus analysis had 2: uced a E dar-ir :
value e:: cept a: the area of in,act ' : era 1Z. v2: ssured but tha: the fin:.
analysn would prchably use a 1cuer d:= pin' /21ue. The ' failure p o in t assumed aas the top layer of concrete failing in ccmprescian. When asked whether the juncticn of doce and cylinder wculd be a limiting poin:.ith respect to impact capability of the centainment, Mr, Croneburger sci; : hat the structure weu'.
'cc s tif fer and that th;re ;; 2 greater =2;; at th_.
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e N.M 79101W
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Q Buy U.S. Savings Bonds Regularly on the Payroll Savings Plan
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for the above table ir tha: the planc crucac thrcush cu::e;-
The ratienale the -lanc ac t:
danse structures and when the win;s arc reached, sively scr2 rac id i,r c t e - r. e d. T h 2,.
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_3 f;r a 707 -. f;r a ri'ia the same decelcration anc pre:;ure valuc; cu.d ap?(
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a C5A althau ;h tha total load ucull be smaller (since the :rc;;ura i.
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over a c: aller arca).
factor of about 1.5 since the '.en; h; :: the planes hava to be adjust 2d by a proportion and the wing strue:ure of the 707 wou'.d be rcachc.
are in that cocner.
If the above corrections for weight and time are made, the L;ckheed table D lb at 0.29 seccnds. This is quite would give a peak loading of 21 x 10
- 106 15 at 0.lc5 ceconds preposed different frca the peak loadin; of 12.5 to 21.2 The 7ea'.; leading was later increased by,the ap?licant.
(Note:
10 lb at 0.21 sec.)
Mr. Cronobur;er indicated he would pursue that calculatica using his cwn these loading facters wi:h cur other loading factors. We will discuss censultants.
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