Document Type: 
Document Number (FOIA) /ESDN (CREST): 
Release Decision: 
Original Classification: 
Document Page Count: 
Document Creation Date: 
November 11, 2016
Document Release Date: 
February 23, 1998
Sequence Number: 
Case Number: 
Publication Date: 
March 17, 1967
Content Type: 
PDF icon CIA-RDP75B00405R000100030002-2.pdf56.75 KB
Approved For Release 1999/09/07 : CIA-RDP75BOO405ROO0100030002-2 25X1A9a 25X1A9a SUBJECT: Non-Metallic Construction for LH2 Tankage 25X1A9a During recent visit to our facility, discussions were held on unknown factors which needed to be investigated before an authoritative decision could be made on the feasibility of the Blivot concept. One of these involved the properties of non-metallic sand- wich construction for containment of the liquid hydrogen fuel for this application. At this point, this type of construction provides inherent advan- tages of light weight,.producibility, and aerodynamic smoothness. In addition, theoretical studies by our engineers showed that non- metallics should prove superior to conventional structures for LH2 tankage applications. To ex erimentally determine the accuracy of this latter premise, requested that we formulate a suitable test program to be submitted for your funding consideration. In compliance with his request, two copies of our Pro osal No. 100-2989 accompany this memorandum, along with one copy of initial 25X1A5a2 Engineering Report No. 66-E5 on Thermostructural Design Concepts for LH2-fueled Hypersonic Vehicles (it should be noted that the latter was an independent work having no relationship to the Blivot concept).. As indicated in the accompanying proposal, we feel-that a relatively short 14 week program should not only prove the. feasibility of non- metallic construction for the Blivot, but also permit the selection of the optimum wall configuration for any desired future weight and structural design studies. Your consideration of this proposal, or any modification thereof, is25XlA5a2 solicited. Incidentally, recently spent a day consulting at the Area under tail-end CS-200 funding; reports have indicated that this visit proved of aid to your personnel at that facility. It is hoped that this consulting relationship can be maintained via a contractual arrangement similar to that outlined by 25X1A5a2 in our memorandum DTEM 1664 of 17 February 1967. Your consideration of the latter proposal would alsi~"1 ciated. Enc 25X1A9a cc: (W/Enc 100-2989) Approved For Release 1999/09/07 : CIA-RDP75BOO4 DTEM 1672 Page O1Q0Q3OOO2-2