PROPULSlON AND VEH!CLE ENGINEERING LABORATORY X/.'JD XL// )(1.14 MONTHLY PROGRESS REPORT FOR PERIOD November 1, 1968, Through November 30, 1968 NATIONAL AERONAUTICS AND SPACE ADMINISTRATION MSFC - Form 1262 (Rev October 1967) PROPULSION AND VEHICLE ENGINEERING LABORATORY MPR-P& VE-68-1 J. MONTHLY PROGRESS REPORT (November l, 1968, Through November 30, 1968) By Structures Division Advanced Studies Office Materials Division Vehicle Systems Division Propulsion Division GEORGE C. MARSHALL SPACE FLIGHT CENTER TABLE OF CONTENTS Page • L STRUCTURES DIVISION 1 Saturn IB ...... 1 Saturn IB System 1 AS-205. 1 Saturn V ...... , .. 1 I. S-II Stage ..... 1 A. "A" Structure (402). 1 B. "B" Structure (401). 2 C. "C " Structure (403). 3 II. S-IVB Stage.... 3 APS Module. 3 III. Instrument Unit . 3 IV. Saturn V System . 3 A. Damper System 3 B. AS-503 Vibration. xceedance E 4 ........... Resolution - Final Synopsis 4 C. Flexible Line Flow Induced Vibration Testing 4 D. AS-503 Swing Arm 9 Criteria E. POGO .......... 5 Apollo Application Program . 5 I. Apollo Telescope Mount. 5 A. Rack ......... 5 B. Experiment Package . 5 C. Gimbals ........ 5 II. Multiple pocking Adapter. 6 A. Windows ........ 6 B. MDA Handrail .... 6 III. Apollo Integrated Shell Static Structural Test Program 6 IV. MSFC Skin-Stringer Shroud 6 V. MARL Testing at MTF... 7 VI. MSFC Flight Experiment #8 7 2. ADVANCED STUDIES OFFICE 9 Advanced Programs .......__ . _ 9 I. Launch Vehicles ..•.....• 9 A. Pressure-fed Launch Vehicle. 9 B. Recoverable and Reusable Reentry Vehicles 10 C. Titan III Applications .........•... 10 D .. INT-20, .... •.••.•..•..••.••... 10 E. Integral Launch and Recoverable Vehicle 10 F. Nuclear Vehicle Program 10 G. General .....• 10 111 TABLE OF CONTENTS (Continued) Page II. Earth Orbital ..• 12 A. B0 Workshop . 12 B. Space Station . 12 III. Lunar.! ........ ii" • 15 A. Mqbility Test Article (MTA). 15 B. Dual-mode LR V Study .. 16 C. Lunar Mobility Program 1819 3. MATERIALS DIVISION 19 Saturn V ................. 19 I. S-IC Stage ............ 19 A. Evaluation of Commercial Adhesives· . B. Investigation of the Effects of Aging on Installed Rubber Goods ....... 21 C. Investigation of Failed Hydraulic Accumulator Valve from Ground System Equipment (GSE) Mobile Launcher. 21 II. Contract Research ...................... 22 A. Polymer Research, Development, and Testing 22 B. Assessment and Evaluation of Blast Hazards 22 C. Nondestructive Testing Techniques .... 22 III. S-II Stage ........................ 22 A. Evaluation of Corrosion Characteristics of 2014-T651 Aluminum Tank Materials . 22 B. Investigation of Corrosion Under Insulation on Tank Walls of S-II Stages .......... 23 C. Evaluation of Primers for Use in Bonding Pour and Spray Foam Insulations ......... 23 D. S-II Stage Project Management, Materials ... 25 IV. S- IVB Stage . .. .. .. .. .. .. .. .. .. 26 A. Investigation of Failure of S-IVB Vent Line Bellows 26 B. Investigation of Korotherm Insulation 26 C. S-IVB Stage, Project Management .... 27 V. Instrument Unit .................... 28 A. Investigation of Corrosion Susceptibility to Instrument Unit Cooling System Materials . 28 B. Instrument Unit, Program Management, Materials 29 VI. Saturn I Workshop .................. 29 A. Study of Flammability of Materials .... 29 B. Investigation of Thermal Control Coatings for the Saturn I Workshop .................... 30 iv TABLE OF CONTENTS (Continued) Page C. Study of the Effect of Oxygen on Non-Meta.Ilic Materials in the Saturn I Workshop • • • • • • • • • • • • 31 D. Investigation of Saturn I Works hop Fans . 32 E. Evaluation of Saturn I Workshop Meteoroid Bumpers 33 F. Evaluation of Workshop Solar Array Deployment Brake ...................·. 33 VII. Multiple Docking Adapter (MDA) .. .. .. .. 34 Investigation of Resistance to Micrometeoroid Penetration of the Multiple Docking Adapter (MDA) 34 VIII. Apollo Telescope Mount (ATM) .. .. .. .. 34 A. Investigation of Contamination and Contamination Sources .. .. .. .. .. 34 B. Investigation of Lubricant a.nd Lubricity Requirements for Apollo Telescope Mount (ATM) .. .. .. .. 37 C. Investigation of Thermal Control Coatings for Apollo Telescope Mount (ATM) 38 IX. Nuclear Vehicle Technology. .. 38 Neutron Activation Analysis . 38 Advanced Research and Technology .. 38 I. Contract Research . .. .. 38 A. Polym.er Development and Characterization 38 B. Adhesive Development . .. .. 38 C. Thermal Control Coatings .. .. .. 38 D. Physical and Mechanical Metallurgy . .. 39 E. Composite Material Development and Tes ting . 39 F. Lubricants and Lubricity .. .. .. 39 G. Corrosion in Aluminum and Steel .. .. .. 39 H. Explosion Hazards and Sensitivity of Fuels . 39 I. Synergistic Effects of Nuclear Radiation, Vacuum, and Temperature on Materials . 39 J. Investigation of Sealant Materials .. .. 39 II. General - In-House. .. .. .. .. 39 A. Development of High Temperature Resistant Polymers . 39 B. Development of Sealant Materials .. .. .. .. 40 C. Development and Evaluation of Metallic Composites . 43 D. Investigation of Stress Corrosion Characteristics of Various Alloys . .. .. .. .. .. .. .. .. 43 E. Investigation of Stress Corrosion Induced Property Changes in Metals . .. .. 44 V . -�--�-�c-�··-.,.--- ' -�---......,..-...-•-----. -7·. .····.·.· TABLE OF CONTENTS (Continued) Page F. Developmental Welding .......•••...• 44 G. Development of Porc.elain Enamel Thermal Control Coatings ......••.•...... 45 H. Investigation of Fracture Toughness Characteristics of Various Alloys •. 45 I. Rev,ew of Specifications .•• , ••. 45 J. Liter atur-e Survey. •••. 46 Monthly Production Report · . .. 47 I. Radiography . • . •••. 47 II. Photography. .• . .. .. .. ...•. 47 III. Metallurgical and Metallographic Testing and Evaluation •• 47 IV. Spectrographic Analyses ••.•. 47 V. Infrared Analyses •.•.....•..•••• 47 VI. Chemical Analyses .....• .. 47 VII. Physico Chemical Analyses 48 VIII. Rubber and Plastics ••... • . 48 IX. Electroplating and Surface Treatment 48 X. Development Shop Production •. 48 XI. Miscellaneous ..•.• 49 XII. Publications .•.•......•. 49 4. VEHICLE SYSTEMS DIVISION 51 Saturn V ........... 51 I. S-IC Stage • . .. 51 A. Fuel Tank Protection Equipment ...•.• 51 B. F-1 Engine Shutdown Criticality Data .. 51 II. S-II Stage � ........... · · ......... 52 A. Pneumatic Console Set (S7-41) . .. .... 52 B. Failure Effects Analysis (FEA) and Criticality Determination (CD) Baseline for S-II .Stage . 52 C. Engine Pad .Mounting Discrepancies ........ 53 III. S-IVB Stage .•............•........... 53 Electrical Disconnect Lanyard - Ullage Motors •. 53 IV. Instrument Unit (IU) ..... 53 Visual Warning System ..•..•...•...... 53 V. Gen_eral- ...._ .... ....- .· ....-• . -.. 53 A. Safety and Arming (S&A) Device 53 B. Engine Criticality Data for SA-50 3 54 C. L.aunch Mission Rules (LMR 's) .. 54 vi TABLE OF CONTENTS (Continued) Page D. SA-503 C' Flight Sequence. 54 E. Pneumatic Console... ... 54 Apollo Applications Program (AAP) .. 55 I. Orbital Workshop (OWS) •....• 55 A. Propellant Dispersion System 55 B. Workshop Activation Phase .• 55 C. Communication System ...•.. 56 D. Human Engineering Design Criteria 56 E. KC-135 Flight .•.......•.... 56 II. Multiple Docking Adapter (MDA) ..... 57 A. Ground Support Equipment (GSE) 57 B. Electrical Tunnel (Internal) . 57 C. · Cabin Fan .....•...... 57 D. Zero-G Mockup .....•... 58 E. Experiment Transfer System . 58 F; Desiccant Breather Unit .••. 58 G. General .............. 58 III. Apollo Telescope Mount (ATM) ... 58 A. Thermal Conditioning System (TCS) 58 B. General .•..... 58 IV. General .................... 59 A. Pneumatic Console ......•.... 59 B. Attitude Control System (ACS) GSE 60 C. Prelaunch Sequence of Operations. 60 D. Mission/Systems Alternatives .. 60 E. Crew Station Mockup ........ 60 F. Camera Canister Latching Mechanism. 61 G. Simulation Requirements for LM-A .. 61 H. Lunar Module (LM.:.A) and Airlock Module (AM) GSE 61 I. Servicing Requirements 61 Advanced Technology ..... 62 Experiments ...... 62 A. Optical Window Study 62 B. Photography Studies .. 62 C. Experiment Periodic Status Review Meeting • • 63 D. Experiment T-013 64 E. Experiment S-027 ....... 64 F. Experiment S-052 • ... • . 64 G. Critical Parameter Trends for AAP-2 Corollary Experiments • • • •. • • • • • • • • • • • • • • • 64 vii TABLE OF CONTENTS {Con. tinued). Page Miscellaneous Efforts •... ...... •: ......... 65 General .......... � . 65 A. Control Systems Criteria Documents. 65 B. Static Test Requirements •.....•• . 65 C. Pr,eliminary Design Requirements, Matrix 65 .,. D. Specifications and Standards Accounting System . � . 65 5. PROPULSION DIVISION .•.. 67 SaturnI. IB ........••... 67 S-IB Stage •......•. 67 A. Test Firing of H-1 Storage Engine .••• 67 B. S-IB Hydraulic Package Seal Tests . 67 C. S-IB Gimbal System Sleeveless Accumulator 67 D. Photographic Analysis {All Stages) 68 II. S-IVB Stage ....•............. , •.•.•.. 68 Orbital Workshop {OWS) ......••.•.....•.•. 68 A. Meteoroid Shield Extension and Additional Internal lhsulation Comparison Studies ........•..... 68 B. Transient AAP-2 Atmosphere Temperature Variation and Heat Exchanger Control . • .• ; .....•......• 68 C. bws Mockup Testing ....•..••.•......••.... 69 D. WACS Auxiliary Propulsion System Thermal Control .. 69 E. Post-Landing Ventilation Fans Fail·. Life Development Tests .. ·. 69 SaturnI. V . .• . .. • . 69 S-IC Stage ............• 69 A. F- 1 Engine .• .. .. .• . • 69 B. S-IC-7 Acceptance Test 70 C. Stress Corrosion Susceptible Materials Investigated 70 II. S-II Stage . .. •• . .• 70 A. J -2