Extreme Flight Turbo Bushmaster User manual

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120”TurboBushmaster
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Copyright2018ExtremeFlight
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Pleasetakeafewmomentstoreadthisinstructionmanualbeforebeginningassembly.We
haveoutlinedafast,clearandeasymethodtoassemblethisaircraftandfamiliarizing
yourselfwiththisprocesswillaidinaquick,easybuild.
Pleasereadthefollowingparagraphbeforebeginningassemblyofyouraircraft!
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THISISNOTATOY!Seriousinjury,destructionofproperty,orevendeathmayresultfrom
themisuseofthisproduct.ExtremeFlightRCisprovidingyou,theconsumerwithaveryhigh
qualitymodelaircraftcomponentkit,fromwhichyou,theconsumer,willassembleaflying
model.Itisbeyondourcontroltomonitorthefinishedaircraftyouproduce.ExtremeFlight
RCwillinnowayacceptorassumeresponsibilityorliabilityfordamagesresultingfromthe
useofthisuserassembledproduct.ThisaircraftshouldbeflowninaccordancetotheAMA
safetycode.ItishighlyrecommendedthatyoujointheAcademyofModelAeronauticsin
ordertobeproperlyinsured,andtooperateyourmodelatAMAsanctionedflyingfields
only.IfyouarenotwillingtoacceptALLliabilityfortheuseofthisproduct,pleasereturnit
totheplaceofpurchaseimmediately.
ExtremeFlightRCguaranteesthiskittobefreeofdefectsinmaterialsandworkmanshipfor
aperiodof30DAYSfromthedateofpurchase.Allwarrantyclaimsmustbeaccompaniedby
theoriginaldatedreceipt.Thiswarrantyisextendedtotheoriginalpurchaseroftheaircraft
kitonly.
ExtremeFlightRCinnowaywarrantiesitsaircraftagainstflutter.Wehaveputtheseaircraft
throughthemostgruelingflighttestsimaginableandhavenotexperiencedanycontrol
surfaceflutter.Properservoselectionandlinkageset-upisabsolutelyessential.Inadequate
servosorimproperlinkagesetupmayresultinflutterandpossiblythecompletedestruction
ofyouraircraft.Ifyouarenotexperiencedinthistypeoflinkageset-uporhavequestions
regardingservochoices,pleasecontactusat[email protected]or770-887-1794.It
isyourresponsibilitytoensuretheairworthinessofyourmodel.
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ExtremeFlightandLegacyAviationareexcitedtoannouncethereleaseofthelongawaited
120"Bushmaster!ThebrainchildofCodyWojcik,thisdesignbuildsonthelegacyofthe
original84"and65"versionswhichhavebecomemusthaveadditionstothehangarsofRC
enthusiastsaroundtheglobe.Renownedforitsabilitytobebotha"relaxingbutnever
boring"sportmodelaswellasafullycapablebushstyleaerobat,theBushmasterdesignhas
wonlegionsoffanswhosimplywantagreatflyingmodelwithauniqueappearanceand
style.NowLegacyAviationdeliversthenextstepinthisseriesaimedatthegiantscale
enthusiast,the120"Bushmaster!DesignedaroundtheXpwr60brushlessoutrunnerand
theDA-70twincylindergasengine,theBushmasterdeliversaboutasmuchfunascanbe
hadwithanRCaircraftwitheitherchoiceofpowerplant.We'verecentlybeenflyingour
DA-70poweredversionwitha2into1headerandsinglecanistermufflersetupwhich
deliversquietconsistentpowerandlongflighttimes.OfcoursetheXpwr60versionwitha
12S5000+mahbatterysetupprovidesexcellentpowerandiscleanandquiet.Whichever
powersystemyouchoose,youarecertaintohaveamostfulfillingflyingexperience!
TheBushmasterfeaturesalightweightbuiltupbalsaandplywoodairframewith
strategicallyplacedcompositereinforcementstoaddstrengthandrigidity.Itfeaturesa
carbonfibermaingearandtailwheelassemblyalongwithcarbonfiberwing,staband
ruddermountingtubesandtwogorgeousUltracote(Oracover)colorschemes.Anexpertly
paintedfiberglasscowlisstandardfarealongwithaprolevelhardwarepackage.An
optionalfloatkitisalsoavailableforwaterbasedoperations.
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Ultracote/OracoverColorCodes:
White/Blue/Silverscheme:UltracoteHANU870White,HANU885MidnightBlue,HANU881
Silver.Oracover21-010White,21-052DarkBlue,21-091Silver.
Yellow/Black/Greyscheme:UltracoteHANU872BrightYellow,HANU874Black,HANU882
LightGrey.Oracover21-033CadmiumYellow,21-071Black,21-011Grey.
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Recommendedaccessories:
DesertAircraftDA-70gasengineorXpwr60ccbrushlessoutrunner
MTWTD110Hrearexhaustcanisterwith60mmdrop,2-into-1headerandcouplerkit
24-34ounceFlowmastergastank
EFAnodizedfueldot
EFBluefuelline
52"EFservoarms(ailerons,flaps,rudder)
21.5"EFservoarms(elevators)
11"EFservoarm(throttle)
11.25"EFlightweightservoarm(tailwheelsteering)
BlazingStarDA-70mount
BlazingStarXXLStandoffsetforXpwr60
CastleCreations160HVESC
Falcon24x9carbonpropforDA-70
Xoar24x10or24x12woodorFalcon26x8carbonpropforXpwr60
Qty.2–EF6inch20AWGservoextension(Flaps)
Qty.3–EF24inch20AWGservoextension(Ailerons,throttle)
Qty.3-EF36inch20AWGservoextension(Elevators,tailwheelservo)
Qty.1–EF48inch20AWGservoextension(Rudder)
2setsEFMPXMulti-wireservoplug(2wireversion)
EFServoWireSafetyClips
4"EFCarbonFiberspinner
7hightorquemetalgearservosforcontrolsurfaces(MKS1220,MKS777A+orequivalent)
1highspeedservoforthrottle(MKS1250)
1metalgearminiservofortailwheelsteering(Hitec5245,7245)
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Let’sbegin!
1.Locatethe2wingpanelsaswellastheG10aileronandflapcontrolhorns.Usesandpaper
toscufftheportionofthecontrolhornthatwillbegluedintothesurface.Foramore
finishedlookyoumaywishtopaintyourcontrolhornsbeforeinstallation.Donotpaintthe
portionofthecontrolhornthatwillglueintothecontrolsurface.
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2.Usingasolderingironorasharphobbyknife,removethecoveringfromtheslotsforthe
aileronandflaphorns.Placethecontrolhornsintothebaseplate.Dryfitthehornsinto
theirrespectiveslotsandtrimanydebrisfromtheslotuntilthecontrolhornseatsproperly
againstthecontrolsurface.Sandawayanyportionofthebaseplatethatmayextend
beyondtheedgeofthebevel.Oncesatisfiedwithfitremovethecontrolhornsanduseyour
hobbyknifetoremovethecoveringthatisunderthebaseplateforbestglueadhesiontothe
surface.
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3.Applyagenerousportionof30-minuteepoxytotheaileronandflapcontrolhornslots
andtothescuffedareaofthecontrolhorns.Itmaybehelpfultouseaziptietopushthe
epoxyintotheslots.
4.Assemblethecontrolhornsandballlinksasshownandinstallthecontrolhornsinto
theirrespectiveslots.Wipeawayanyexcessepoxywithapapertowelorclothsoaked
withdenaturedalcohol.
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5.Inthesenextstepswewillinstallthehinges.Pleasetakeafewmomentstofamiliarize
yourselfwiththisprocessifyouhavenotinstalledhingepointsbefore.
Thereareseveralwaystodothisandseveraladhesivesyoucanuse.Wewilldescribethe
waythatwedoit,asthismethodhasprovenitselfovermanyyearsofmodelbuilding.If
youarenewtothistypeofhingingprocess,thenIrecommendthatyouinstallasingle
hingefirstjusttoacquaintyourselfwiththismethod
Beforestartingyouwillneedtogatherafewitemstoaidyouasyouproceed.
A. 30MinuteEpoxy
B. Ashortlengthofpushrodorsmalldowel.
C. Arollofpapertowels
D. DenaturedalcoholorAcetone
E. HobbyKnife
F. Teflonlubricant

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6.Locateawingpanelandseparatethecontrolsurfacesfromthemainwingandremove
thehinges.
7.Mixupagenerousbatchofepoxyanduseapieceofpushrodordoweltoapplythe
epoxytothehingehole.
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8.Applyepoxytothebarbedsectionofthehingeononesideandinsertitintothehole
untilthecenterofthehingeiscenteredonthehingeline.Usingapapertowelsoaked
withacetoneordenaturedalcoholwipeawayanyepoxythathasbeensqueezedoutof
thehole.
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9.Makesurethehingecanmovefreelyandthatthepinisalignedproperlybeforethe
epoxysets!Whenyouaresatisfiedwiththeresultssetthesurfaceasidesothatthe
epoxywillpoolaroundtherearofthehinge.Whenyouarecomfortablewiththis
processyoushouldbeabletodoonesideofasurfaceperbatchofepoxy.Repeatthe
processtoattachthesurfacestoeachwing.Thereshouldbeaslittlegapaspossible
whilestillallowingmaximummovementofthecontrolsurface.
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10.Asafinalstepbeforesettingthewingasidetodry,doafinalcleaningofthehinge
knuckleswithapapertowelsoakedwithdenaturedalcoholoracetonetoremoveany
epoxyresidue.Ifyoufindanyofthehingesarestiffafterdrying,applyadropofacetone
toeachhingewithaQ-tipandmovethesurfacebackandforthseveraltimestoloosenit
up.AsafinalstepItypicallyapplyacoupledropsofTeflonlubricanttoeachhinge.This
isavailableatmosthomeimprovementandhardwarestores.
11.Youwillneedtoattacha24inchservoextensiontoyouraileronservotoreachthe
wingroot.Theflapservowirewillrequirea6inchextension.Securetheextensionsto
theservoleadswithheatshrinktubingoraservowiresafetyclip.
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12.Usethemanufacturersuppliedmountinghardwaretoinstallthewingservoswith
theoutputshafttowardtheTRAILINGEDGEofthewing.Electronicallycenterthe
servoandinstall2inchservoarmsontotheservospline.Theservoarmsshouldbe
paralleltothehingelinewhencentered.Itisveryimportantthatyouusethesame
lengthservoarmsforbothflapandaileronservos.
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13.Foreaseoffieldassemblywehighlyrecommendusing2setsoftheExtremeFlight
MPXMulti-wireservoplugs.Attachthesetotheservoextensionsprotrudingfromthe
wingforafastandeasysingleplugsolutiontowingservoconnections.Besuretosecure
theMPXplugleadsothatitcannotfloparoundinsideofthewing,possiblycausingthe
plugtopulloutofthereceivingsocket.
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14.Usethesuppliedballlinks,turnbucklepushrods,3mmbolts,washersandnutsto
assembletheaileronandflaplinkagesandsecuretotheservoarmandcontrolhorns
asillustratedinthefollowingphoto.Boththeaileronandflaplinkageareassembled
thesameway.
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15.Locatethewingfencesandtrialfitontothewing.Somesandingmayberequired
forbestfit.Werecommendgluingthefencesinplacewithepoxy.Usetapeorclamps
toholdthefencesinplacewhiletheepoxycuresmakingsuretheyareperpendicular
tothesurfaceofthewing.Twostripsoftapeplacedparalleltothefenceswillkeep
excessepoxyfromgettingonthewingsurface.
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16.Locatethelandinggearcomponentsandtheassociatedfastenerpackageformthe
hardwarekit.Securethecarbonfiberlandinggeartothefuselagewiththeprovided
4mmsocketheadcapbolts,washersandlocknuts.
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17.ApplyabeadofGoopadhesivetothecarbongearandslidethelandinggearfairing
intopositionagainstthebottomofthefuselage.Securewithtapeuntiltheadhesive
dries.
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18.Attachtheaxlestothecarbongearwiththesuppliedwasherandlocknut.
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19.Fileaflatspotontheaxlesforthewheelcollarsetscrewstoseatagainst.Securethe
wheelintopositionwithacollarplacedoneachside.BesuretouseLoctiteonall
fasteners!
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20.Assemblethetailwheelasshown.Itishighlyrecommendedthatyouflieaflatspot
atthelocationthateachsetscrewwillseatandagain,applybluethreadlockcompound
toallscrews.
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21.Installthetailwheelassemblyontothebottomrearofthefuselagewiththeprovided
3mmboltsincludedinthehardwarepackage.Thisstepwillallowustoturnthefuselage
overandplaceitonits"feet"whichwillallowabetterpositiontoinstalltheengine.
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22.Flipthefuselageandletsinstallourpowerplantofchoice.Drill41/4"holesatthe
designatedlocationforyourmotor/engine.
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23.IfusingtheXpwr60itishighlyrecommendthatyouusetheBlazingStarXXLStandoff
Settoachieveproperspacingwithminimalhassle.IfusingtheDA-70theBlazingStar
mountmakesproperenginepositioningabreeze!
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24.Inthepreviousphotoyoucanalsoclearlyseetheinstallationofthe2-into-1
header/canistersetupandthethrottleservoinstallation.Hereareafewmorepicsofthe
enginesetupincludingtheignitionmountinglocationandthecoolingcutoutsonthe
bottomofthecowl.
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25.TheBushmastercowl,becauseitlacksanyairinlets,requiressomecreativecooling
methodstokeepourpowersystemrunningproperly.Inthepreviousphotoyoucansee
thecutoutswemadeinadditiontotheairdamweinstalledtopullairovertheengine
andoutofthecowl.Thiswasfabricatedfromapieceofaluminumflashingpurchased
fromalocalhomeimprovementstore.Properventilationisamust!!!!

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26.Inadditiontoopeningupthebottomofthecowlwealsomadesurethedummy
exhauststackscontributedtopullingairoverthecylindersandremovingitfromthecowl
byopeningthecowlandexhauststacksbeforegluinginplace.Removeasmuchpaintas
possiblefromthegluingsurfaceaspossibleandglueinplacewith30minuteepoxy.
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27.Beforefinalinstallationofthecowlanddependingonyourchoiceofpowersystem
installeitheryourgastankonthetank/batterytraywithplumbingortheESC.
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28.Installthelowercowlhalf,withthe43mmboltsprovidedinthehardwarepackage,
followedbythetoppieceofthecowlwith4more3mmbolts.Inthisphotowehave
addedtheEFanodizedwashersforatouchofbling.
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29.Locatethestab/elevatorsetalongwiththeelevatorcontrolhorns.Usingthesame
methodastheailerons,hingebothstabhalvesandinstallthecontrolhornsinthe
locationshown.
