Whilethesecondstagepowerstheactualsatellitestoeorbitalspeeds, it's abouteightkilometerspersecond, or 10 timesthespeedof a riflebullet, whilethesatellite's themselvesaresittingjustintheverytopinsidethefairing.
There 10 satellitesinthere.
Thatfaringisbigenoughtohold a schoolbusifwewantedstandingjustnexttotherocketisthetransportererectororthestrongback.
Butasmanyofyouknow, it's alsoourreturntoflightfollowingexplosionduring a routinefuelingoperationonourlaunchpadbackonSeptember 1st 2016 overthepastfourmonths, reportswithofficialsintheFAA, the U S AirForceandNASA, alongwithseveralindustryexperts, todeterminethecauseoftheanomaly.
Theinvestigationteamconcludedtheexplosionwasduetothefailureofoneofthethreecomposite, overwrappedpressurevessels, or C O.
P.
V s insidetheFalconninesecondsecondstageLiquidOxygenTankCEOPeevey's storeColdheliumgas, whichisusedtomaintaintherockets, takepressureateach C.
O.
P V consistsofanaluminumlinersurroundedby a carbonfibrecompositeoverrapteamfoundthatoxygenlikelyaccumulatedbetweenthelinerandtheoverrapandbecametrappedin a voidcreatedby a buckledliner.
Whetherthroughfictionorpressure, thisledtoanignitioneventandsubsequentfailureofthe C O P.
P V configurationtoallowwarmertemperatureheliumtobeloaded, andwereturnedheliumloadingoperationstotheflightprovenconfigurationbasedonoperationsusedinmorethan 700 successfulCOPDloads.
Inthelongterm, Space X willimplementdesignchangestothecoldheliumsystem, whichwillallowforfasterloadingoperationsandavoidingtheconditionsthatledtotheSeptember 1stfailure.
Thisisourfirstofsevenlaunchesthatwehave a contractwiththeradio.
Eachofthe 10 spacecraftbatteronboardrightnowhave a massive 600 kilograms.
WhenthesolarRoy's a solarraysorflutefullydeployed, theyhave a 30 footwingspan, whichequatestomorelastfourShaquille O'Neal's leastinsatellitesinpositioninsideofthefaceofspace X bearingandmountedontotoverticallystackedspace X designdispenserswithfivesatelliteseach.
OnceFalconninegetstotherightorbit, spacesexwillsend a separationsignaltothedispensers, deployingthesatellitesoneby 1 100 secondsapartatanaltitudeof 625 kilometresabovetheearth.
Oncethesatellitetodeploythe 10 satelliteswillformthebeginningsof a new a radiumconstellationinthesky.
Eachsatellitewillbecrosslinkedtofourothersintheconsolationallowingfor a webofspacespacecommunicationsfromgroundorairborneusersfromanylocationonEarthtoanyotherplaceonEarth.
Iridiumwassuch a uniquenetwork, withwithlowearthorbitingsatellitesconstantlymovingaroundtheplanet, noonehadevercreated a systemlikethatontheinventorsrealizeditlooked a lotlikeanAdam, youknow, theoriginaldesignwasforsevenplanesof 11 satelliteseach.
So 77 satellitesandtheylookedontheperiodictableandthatwasthepreciousmetalradium, anditsoundslike a coolname.
SotheynamedserviceIridium.
Then a yearortwolaterintheearlynineties, theythoughtwecouldprobablydothiswith 66 satellitesbypickingoutof a plane.
Theylookedontheperiodictableinpersonthatwasdisposing, whichwasnot a goodnamefor a company.
Sotheykeptthenameofradiumon, getsstuck, andit's been a greatname.
NowSpacesixmaintains a fleetoftwoautonomousspaceportdroneships, onenamedjustreadtheinstructionsandtheotheronenamed.
Ofcourse I stillloveyou.
Ofcourse I stillloveyouwasthedroneshipthatweusedformostofourlandingattemptsin 2016 includingthefoursuccessfulattemptsbackinsummeroflastyear.
However, todaywe'reusingjustreadtheinstructions, whichhasn't beenusedforlandingattemptssinceearly 2016 whichwasover a yearago, meaningthatifwestickthelandingtoday, it'llbethefirsttimethatwe'velanded a firstagesuccessfullyonjustreview.
Now, thismaybereviewforsomeofourviewers, butSpace X isallaboutrapidreusabilityandthedroneshipshelpusaccomplishthatgoalbyallowingustorecoverfullyintactfirststagessowecanreflythemassoonaspossiblewithminimalrefurbishment.
However, themostexcitingthingwe'redoingwiththisprojectisreflyingthefirstages, whichshouldbecomingupin a missionsoon.
Just a reallyquickrecapofhowthisisgonnahappenafterthefirststageseparatesfromthesecondstageafterliftoff, thefirststageisgoingtofliparoundandexecutethreeburnmaneuverstogetbacktowardsjustreadtheinstructions.
Thefirstone's goingtobe a boostbackburn, whichbringsitbackinthedirectiontoJoanDroneship.
Butcurrentlyeverythingcontinuestolookgoodforanontimelaunchinjustover T minus 2.5 minutes.
Sowiththat, we'regonnaleteverybodylistenintothelast 2.5 minutesofthecountdown, andwe'llbebackwithyouin a littlewhile.
Stagetwolocksclosingout.
Firmrangeisgreen.
Bigwasn't suffering.
L d thereif I goforlunch, VCverifyFalconnineisn't startupthevehiclesandstartupminutesthreeseconds.
22nd.
There's oneperson, but 15 minus 10 seven, six, five, four, three, two, one.
Maybe I Yousee a moviesectionpostlaunchpadoperationsmovingoperationsoneminute, 17 secondsintoflightfalloutFalconnineperformancesnominalaswehavedownrangeoverthePacificOceanflyingsouthfromthelaunchsiteatVandenbergAirForceBaseinCalifornia.
Allright, we'regonnagotoJohn I We're t plus 5.5 minutesintotheflight.
Secondstagecontinuingtoheaddownrangeiswegointowhatwillbethefirstoftwoorbitsthelowearthorbitfollowedby a coastphasethan a reignitionofthesecondstageenginelateronthismorningtogetthetenderreadingofsatellitesintotheirfinalorbit.
YoucanheartheapplauseinthebackgroundfromtheSpace X teamgatheredaroundtheMissionControlCenteriswe'rewatchingthethreeMerlinenginesonthefirststagelightandwehavegotshutdownfortheboostbackburn.
The 100 secondsbetweenthefirstandsecondsatellitedeploymenthasnowcounteddown.
However, werein a gaprightnowbetweengroundstationcoverage.
Sowe'renotabletoconfirmyetviatelemetrythatthesecondofthe 10 a ratingofsatelliteshasdeployedwillcomebacktoyouontheWebcastwhenwe'vegotsomeinformationontogiveyou a statusrightnowforthosewerewonderingwhythelongpauseinreportingthesecondsatellitedeployment?
We'llbebackwithyoushortly.
Oncewe'vegottelemetrybackfromouterspace.
JohnInspectorwithyouagainfromtheWebcaststudioshereinSpaceLooksheadquartersinHawthorne, CaliforniaWe'rejustunder T plusonehourin 11 minutes.
We'llgiveyouanupdate.
FromwhatweknowTheFalconnine.
AnyIridiumsatellitesarefine.
However, wehavenotbeenabletoconfirmsatellitedeploymentsafterthefirstsatellitedueto a problemwiththegroundstation.
Weunderstandthere's a controllerissueinthegroundstation, sowe'renotgettingourtelemetryback.
However, wedorecordthetelemetryonboardthesecondstage, andweplantoplaythatback, comingupinabout 10 minutes.
Andifyou'reinterestedinbeingpartoftheteamthatcreatestheseamazingrocketlaunchesandlandings, makesurecheckoutwwwdotspace x dotcomslashcareersonAppliedtobepartoftheteamlikesawesome.