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[Music]

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set by film report number 19 cover

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stress during the bridge timber October

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and November 1967 an historic milestone

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in the Saturn 5 program launching of the

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first thousand 5 flight vehicle was

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successfully accomplished this water

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launch preparations for the 360 3 foot

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tall vehicle designated Apollo 4 got

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underway immediately following its

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rollout on August 26th from the Vehicle

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Assembly Building at Kennedy Space

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Center to pad a of launch complex 39

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primary mission of the flight would be

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to flight test the launch vehicle which

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was developed under Marshall Center

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direction and to test the Apollo

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spacecraft heat shield upon its re-entry

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into the Earth's atmosphere at speeds

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similar to those reached from a lunar

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mission check out of the vehicle's

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mechanical and electrical systems

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progressed smoothly throughout the first

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month of the report period in

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preparation for the vital countdown

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demonstration test or CD DT which began

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on September 30th the CD DT encompassed

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a complete dry run of the launching of

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the Apollo 4 including a practice

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countdown actual fueling and simulated

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firing in flight by means of the CD DT

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engineers were able to discover and

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eliminate any problem areas among those

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encountered during the exercise where

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the ground check out computers first

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stage helium pressure regulators launch

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vehicle batteries and moisture in

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certain electrical cables and components

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after successful solution of these

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problems and completion of the Cee'd EDT

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on October 13th

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final preparations tests and check out

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operations got underway to assure flight

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readiness of the huge space vehicle

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three weeks later at 8:30 p.m. Eastern

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Standard Time

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on November 6th

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terminal countdown was started t-minus

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49 hours

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the computerized countdown with a

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built-in hold of seven and a half hours

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proceeded smoothly on schedule the

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launch would mark several momentous

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program milestones first flight test of

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a vehicle of such size and complexity

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first complete vehicle flight test first

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flight of both the s1 c and s two stages

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and the first engine restart in orbit of

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the s4 B stage a flawless liftoff on

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schedule at 7:00 a.m. Eastern Standard

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Time November 9th sent the vehicle on

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its way to what would later be described

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as a virtually perfect flight in every

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respect

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launch tower clearance was maintained

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during liftoff where the yaw bias

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accomplished his program to escape the

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400 foot tall launch tower 16 seconds

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were required by the 6.2 con space

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vehicle it's 5 first stage f-1 engines

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generating a total of seven and a half

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million pounds thrust telemetry data

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indicated the s-1 sea stage engines

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stage propellant utilization system

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pressurization system and pneumatic

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control system all operated

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satisfactorily and within expected

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tolerances maximum bending moment was

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well below design values your role in

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pitch programs in the s-1 sea were

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accomplished as expected

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structural temperatures and aerodynamic

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measurements proved well within

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predicted values at t plus 135 point 5

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seconds the s-1 CN board engine cutoff

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is scheduled to be followed fifteen

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point three seconds later by outboard

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engine cutoff onboard cameras later

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ejected and recovered showed the s-1 sea

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separating and falling back toward the

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earth then at t plus 150 three point

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three seconds ignition of the s2 stage

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occurred 29 seconds later the s1 c s2

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enter stage also separated and fell away

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separation was extremely smooth and

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clearances were adequate as in the case

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of the s1c stage all systems of the s2

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stage operated properly and within

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expected tolerances the s2 stage is 5j

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two engines burning liquid hydrogen and

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liquid oxygen and generating 1 million

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pounds thrust shutdown is scheduled at t

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+ 519 point eight seconds within the

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following second s2 separation and s 4 b

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stage ignition were accomplished these

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were not recorded by onboard cameras

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since orbital altitude had been reached

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by then and cameras could not have been

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returned to earth the S 4 B stages

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single J - engine cutoff at t + six

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sixty five point six seconds and the 280

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thousand pound third stage instrument

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unit spacecraft combination went into

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orbit at 117 statute miles after an 88

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minute to orbit coast period the S 4 B

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stage engine was restarted and operated

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for five minutes to send the Apollo on

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the way to its reentry test mission

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pressure in the S 4 B fuel tank was

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somewhat low at second burn initiation

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but stabilized at an acceptable level

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the Saturn 5 instrument unit performed

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satisfactorily throughout the entire

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flight climaxed by the Apollo spacecraft

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re-entry and recovery in the Pacific

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Ocean eight hours and 40 minutes after

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liftoff Apollo 4 had achieved every one

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of its primary and secondary missions in

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a textbook perfect flight with the

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highly significant initial launch a

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success attention now focuses on the

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second Saturn 5 flight vehicle

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designated Apollo 6 which stands erected

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in the KSC Vehicle Assembly Building

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vehicle checkout is in progress with no

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serious problems reported for a

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scheduled launch early in 1968 the s 1 C

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stage for the third flight vehicle has

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been removed from storage at Boeing

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machine New Orleans and is now

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undergoing check out and post-delivery

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storage modifications

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shipment to KSC of the s1c as well as

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the upper stages an instrument unit for

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the third flight vehicle is slated for

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late December the s-1 sea stage for the

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fourth flight vehicle has been placed in

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storage all elements of the fourth

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vehicle are due at KSC in the spring of

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1968 the s2 stage for the third flight

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vehicle was successfully static test at

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this quarter at the Mississippi test

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facility and is now undergoing post

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static checkout operations the first s23

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firing for 64 seconds was primarily to

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check out the newly completed a1 second

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stage test and an MTF a second firing of

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full duration of 384 seconds served to

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acceptance test the s2 3 stage initial

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use of the new a1 stand this quarter now

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completely activates MTF the s2 stage

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for the fourth flight vehicle arrived at

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MTF in late november from north american

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rock wall space division at seal Beach

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California s2 four ways some 3,000

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pounds less than previous stages due to

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thinner propellant tank walls and

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lighter structures a full duration

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acceptance firing is scheduled during

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the next report period after removal

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from storage the s4 b4 the third flight

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vehicle is now in post static check out

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at the McDonnell Douglas Sacramento test

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site in California the s4 B stage for

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the fourth flight vehicle has also been

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removed from storage and is undergoing

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checkout retest of the instrument unit

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for a s 503 began in mid-november in the

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checkout stand at IBM Huntsville retest

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was necessary after incorporation of

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various IU modifications had been

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accomplished completion of checkout and

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shipment to KSC is due in late December

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check out of the instrument unit for a s

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504 was finished in late October stages

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and instrument units for subsequent

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saturn v flight vehicles are

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various phases of fabrication assembly

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check out and testing at prime

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contractor facilities with no serious

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problems or slippage is being

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encountered in any of these operations

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refurbishment of the third stage beta 3

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test standard Sacto was completed early

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in the quarter and cold flow testing on

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the stand began in mid-october the stand

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which had been damaged in the s4b 503

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explosion early this year will be

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investigations and tests of stage

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program related items such as the s4b

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stage propellant tank repressurization

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helium storage sphere continued during

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the report period purpose of these tests

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was to demonstrate to NASA the ability

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of test specimen to meet design

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requirements failure occurred at 8300

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PSIG approximately 300 psi G above the

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design minimum burst pressure because of

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the high burst pressure and the fact

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that the failure did not occur along the

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weld seam the test was considered a

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success a test program to determine the

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explosiveness

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of polyurethane foam insulation dust was

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conducted by the s2 stage contractor at

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its Downey California facility the tests

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were performed because foam dust is

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created when foam insulation is machined

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at the s2 manufacturing plant results of

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the tests indicated that the dust does

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not create an explosion hazard when its

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content is limited to 1 107 ounce per

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cubic foot s to 8 is the first stage to

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be insulated completely with

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polyurethane foam application of the

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foam is accomplished in about 25 minutes

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using three spray guns after 48 hours

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the foam has cured and is ready for

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machining to a thickness of two and a

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quarter inches during spraying and

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machining the entire s2 stage is rotated

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about its longitudinal axis a Thor

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missile fuel tank provided by Douglas

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McDonald has been insulated with the

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spray-on foam and instrumented with

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strain gauges and

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sensors at North American Rockwell seal

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Beach facility and will be shipped in

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early December to Sacto to undergo

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cryogenic tanking tests to evaluate the

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new insulation the unqualified success

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of the first launching of a saturn v

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flight vehicle provided a spectacular

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highlight or a report period which

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witness steady and wide-ranging progress