Ares Gamma 370 pro User manual

1

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Wingspan:37.0in(940mm)

Length:30.6in(775mm)

WeightwithBattery: 16.0‐17.5oz(455‐495g)

Battery:800‐1300mAh2S7.4Vor3S11.1VLiPo(required)

Charger:2S7.4Vor3S11.1VLiPoBalancing(required)

TransmitterandReceiver: 4+channel(required)

On‐BoardElectronics:Brushlessmotor,ESCand3servos(installed)

ecifications

Instruction Manual

2

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Specifications............................................................................................................................................1

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Notes.........................................................................................................................................................3

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Introduction..............................................................................................................................................4

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SafetyPrecautionsandWarnings.............................................................................................................4

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FCCInformation........................................................................................................................................5

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RequiredtoComplete...............................................................................................................................6

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InstallingtheReceiver..............................................................................................................................6

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AssemblingtheWing................................................................................................................................7

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InstallingtheHorizontalandVerticalTails.............................................................................................12

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InstallingtheLandingGear.....................................................................................................................13

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InstallingtheLiPoFlightBattery.............................................................................................................14

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CenteringtheControlSurfaces..............................................................................................................16

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InstallingthePropeller/Optional‐UsePropSaver..................................................................................18

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AttachingtheWing.................................................................................................................................23

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FlightControlsandTrimming.................................................................................................................24

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ControlThrows.......................................................................................................................................28

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CenterofGravity(CG).............................................................................................................................28

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SelectingaFlyingArea............................................................................................................................29

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ESC(ElectronicSpeedControl)Arming..................................................................................................29

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FlightChecklist........................................................................................................................................31

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Flying.......................................................................................................................................................31

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Repairs....................................................................................................................................................34

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ReplacementPartsList...........................................................................................................................35

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Warranty,SupportandService..............................................................................................................36

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AMANationalModelAircraftSafetyCode.............................................................................................36

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Notes.......................................................................................................................................................39

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Table of Contents

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____________________________________________________________________________

Notes

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TheAres™[air‐eez]Gamma370ProoffersthestabilityanddurabilityoftheoriginalGamma

370whilealsodeliveringfull4‐channelcontrolandaerobaticcapabilitysportflyerswillenjoy.

TheadvancedEPOfoamairframedesignisnotonlylightweight,durableandeasytorepair,it

alsoarrivesfactory‐assembledandnearlyready‐to‐flyrightoutoftheboxsoyoucanbeflying

atalocalpark,schoolyardorflyingfieldinalmostnotimeatall.

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TheGamma370ProisRFR(Ready‐For‐Receiver)andincludesafactory‐installed370

brushlessmotor,18‐ampbrushlessESCandthree9‐gramsub‐microservos.It’sreadyforyou

toinstalla4+channelreceivercompatiblewithyourfavoritetransmitterandincludestwo

propelleroptionsforusewith2S7.4Vor3S11.1V800‐1300mAhLiPobatteries.Bestofallit’s

availableatapricethatoffersunbelievablevalueandmakesithardforalmostanypilotto

resist!

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Thefactory‐installedbrushlesspowersystemisquiet,efficientandpowerfuldeliveringgreat

performanceandlongflighttimeswith2S7.4Vandunlimitedverticalperformancewith3S

11.1VLiPobatteries.Coupledtosmoothandpreciseaileron,elevatorandruddercontrolsthe

Gamma370Proiscapableofallbasicandevenadvanced4‐channelaerobaticsincluding

pointrolls,rollingcircles,knifeedgeandmore!

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AndalthoughtheGamma370Proisnearlyready‐to‐flyrightouttheboxpleasetakethetime

toreadthroughthismanualforinformationonassembly,controlchecksandmorebefore

makingyourfirstflight.Pleasealsovisitourwebsiteatwww.Ares‐RC.comforadditional

informationincludingproductupdates,bulletins,videosandmore.

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Failuretousethisproductintheintendedmannerasdescribedinthefollowinginstructions

canresultindamageand/orpersonalinjury.ARadioControlled(RC)airplane/helicopteris

notatoy!Ifmisuseditcancauseseriousbodilyharmanddamagetoproperty.

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Keepitemsthatcouldbecomeentangledinthepropeller/rotorbladesawayfromthe

propeller/rotor,includinglooseclothing,tools,etc.Beespeciallysuretokeepyourhands,

faceandotherpartsofyourbodyawayfromthepropeller/rotorblades.

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Astheuserofthisproductyouaresolelyandwhollyresponsibleforoperatingitinamanner

thatdoesnotendangeryourselfandothersorresultindamagetotheproductorthe

propertyofothers.

Introduction

Safet

Precautions and Warnin

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Thismodeliscontrolledbyaradiosignalthatissubjecttopossibleinterferencefromavariety

ofsourcesoutsideyourcontrol.Thisinterferencecancausemomentarylossofcontrolsoitis

advisabletoalwayskeepasafedistancefromobjectsandpeopleinalldirectionsaroundyour

modelasthiswillhelptoavoidcollisionsand/orinjury.

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•Neveroperateyourmodelifthevoltageofthebatteriesinthetransmitteristoolow.

•Alwaysoperateyourmodelinanopenareaawayfromobstacles,people,vehicles,

buildings,etc.

•Carefullyfollowthedirectionsandwarningsforthisandanyoptionalsupport

equipment(chargers,rechargeablebatteries,etc.).

•Keepallchemicals,smallpartsandallelectroniccomponentsoutofthereachof

children.

•Moisturecausesdamagetoelectroniccomponents.Avoidwaterexposuretoall

electroniccomponents,parts,etc.notspecificallydesignedandprotectedforusein

water.

•Neverlickorplaceanyportionofyourmodelinyourmouthasitcouldcauseserious

injuryorevendeath.

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Thisdevicecomplieswithpart15oftheFCCrules.Operationissubjecttothefollowingtwo

conditions:(1)Thisdevicemaynotcauseharmfulinterference,and(2)thisdevicemust

acceptanyinterferencereceived,includinginterferencethatmaycauseundesiredoperation.

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Caution:Changesormodificationsnotexpresslyapprovedbythepartyresponsiblefor

compliancecouldvoidtheuser’sauthoritytooperatetheequipment.

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Thisproductcontainsaradiotransmitterwithwirelesstechnologywhichhasbeentestedand

foundtobecompliantwiththeapplicableregulationsgoverningaradiotransmitterinthe

2.400GHzto2.4835GHzfrequencyrange.

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Theassociatedregulatoryagenciesofthefollowingcountriesrecognizethenoted

certificationsforthisproductasauthorizedforsaleanduse:USA

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FCC Information

6

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TheGamma370ProisRFR(Ready‐For‐Receiver)andrequiresthefollowingitems:

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4+channeltransmitter(withsuitablerangefora‘parkflyer’classmodel)

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4+channelreceiver(compatiblewiththetransmitterthatwillbeused)

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2‐Cell/2S7.4Vor3‐Cell/3S11.1V800–1300mAhLiPobattery(15+Ccontinuous

dischargeratecapable)

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LiPobatterycharger(compatiblewiththebatterythatwillbeused)

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Usetheincludedadhesive‐backed‘hook‐and‐loop’materialtoinstallthereceiver(not

included)compatiblewiththetransmitteryou’vechosentouse.Installthereceiveronthe

sideofthefuselageoppositeoftheESC.Plugthe3‐wireleadfromtheESCintothe‘throttle’

channel,theelevatorservoleadintothe‘elevator’channelandtherudderservoleadintothe

‘rudder’channelonthereceiver.

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NOTE:It’simportanttoensurecorrectpolaritywhenpluggingtheleads/connectorsinto

thereceiver.Refertothemarkingsonthereceiver(ortheinstructionmanualforthe

receiver)toidentifywhichpinsaccepttheblackcolor(negative/ground),redcolor

(positive)andwhitecolor(signal)wireleads.Also,dependingonthemake/modelof

receiveritmaybenecessarytoslightly‘bevel’theedgesoftheblackcolorconnectorsso

theyfiteasilyintothecaseofthereceiver.Werecommendusingasmallfileorsanding

blockandEXTREMECAREtobeveltheappropriateedgesoftheconnectorsasneeded.



uired to Com

lete

Installin

the Receiver

7

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Parts/ToolsRequired:

Leftandrightwingpanels

Plasticwingcover

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Thintwo‐sidedtape(optional)

5–15minuteepoxy(optional)

Toassemblethewingstartbyslidingtheplywood‘joiner’thatextendsoutoftherightwing

panelintothecorrespondingslotintheleftwingpanel.Carefullyslidethepanelstogether

untiltheymeet.

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OPTIONAL:Foramoresecurewingjointyoucanusethintwo‐sidedtapeor5–15minute

epoxybetweenthepanels.Thickcyanoacrylate(CA)gluemayalsobeusedkeepinginmind

thattheuseofglue/epoxywillresultinamore‘permanent’wingjoint.Also,it’simportantto

ensurethatthetopandbottomsidesofthewingpanelsarealignedproperly,especiallynear

theleading(front)andtrailing(rear)edges,whenjoiningthepanelswithtapeorglue/epoxy.

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NOTE:Duetoslightvariationsintheproductionofrelatedpartsit’spossiblethattheleading

(front)andtrailing(rear)edgesofbothwingpanelswillnotalignexactlywhenthepanelsare

slidtogether.ThisOKandshouldhavenodiscernibleimpactontheflight

performance/characteristicsofthemodel.



Aftersliding/joiningthetwowingpanelstogetherlocatetheplastic‘wingcover’.Thiscover

helpsprotectthetopofthewingfromtherubberbandsusedtoattachittothefuselage

whilealsoprovidingadditionalsupportforthewingjoint.



Beforeremovingthebackingmaterialonthetapeusedtosecurethecovertothewingcheck

thefitofthecoveronthewing.Lineupthetrailing(rear)edgeofthecoverwiththetrailing

edgeofthewingwhilealso‘centering’thecoveroverthejointbetweenthewingpanels

Assemblin

the Win

8

Afterconfirmingthecoverfitscorrectlyremovethebackingmaterialtoexposethetape.

Then,verycarefullylineupthetrailingedgeofthecoverwiththetrailingedgeofthewing

andcenterthecoverbeforepressingitdownagainstthewingpanels.Startfromthetrailing

edgeofthewingandslowlypressthecoverdownwithlightpressuresoitfitsagainstthe

wingascloselyaspossibleuntilyoureachtheleading(front)edge.Applyonlylightpressure

soyoucanpossiblyremoveandreinstallthecoverifthefit/alignmentisnotcorrect.



Then,afterconfirmingthefitandalignmentaregood,applymorepressuretobettersecure

thecovertothewing.



NOTE:Insomecasesitmaynotbepossibleforalledgesofthecovertofitflushagainstthe

surfaceofthewing.Thisisnottypicallyaproblemastherubberbandsusedtoattachthe

wingtothefuselagewillhelpholdtheedgesofthecoverinplace.However,dependingon

thefitofsomepartsitmaybehelpfultoapplytransparent‘packing’tapeand/or

cyanoacrylate(CA)glue(werecommendMedium/Gap‐FillingorThickviscosity)tobetter

securetheedges.Keepinmindthattheuseofgluewillresultinamore‘permanent’

installationofthewingcover.



Next,selectatwo‐sidedservoarmthathasholesatleast7/16”–1/2”(11–13mm)fromthe

centeroneitherside.Checktoseeifthe‘Z‐bends’ofthepushrodsfit/passthroughthe

existingholesintheservoarm.IfnotUSEEXTMREMECAREANDAHOBBYKNIFEWITHA

SHARPNO.11BLADE,ORAPINVISE/DRILLWITHA3/64”(1.2mm)DRILLBIT,TOVERY

CAREFULLYENLARGETHEHOLESINTHEPOSITIONSYOUPLANTOUSEJUSTENOUGHSO

THEZ‐BENDSCANPASSTHROUGHTHEM.It’sveryimportantthatyouDONOTenlargethe

holesmorethannecessaryotherwisethepushrodswillbetoolooseintheholespotentially

resultingin‘slop/play’thatmaymakeitdifficulttoproperlytrimandcontroltheaileronsin

flight.Ofcourseit’salsoimportantthatthepushrodsarenotinstalledtootightlyinthe

holes(thepushrodsshouldrotatefreelybutwithoutslop/play).



9



Afterselectingandpreparingasuitableservoarm,plugthelead/connectorfromtheaileron

servointotheaileronchannelofyourreceiver.NOTE:Youcaninstallanoptional‘servo

extension’betweenthereceiverandaileronservoleadtomakeiteasierto

connect/disconnecttheservonowandwheninstalling/removingthewinginthefuture.



Turnthetransmitteron,centertheaileronchanneltrimandconnectasuitableLiPobattery

totheESCtopoweronthereceiverandservos.Checktobesuretheaileronservoresponds

toleftandrightcontrolinputscorrectlythencentertheright‐handstick.



IMPORTANTNOTE:Beforeinstallingtheservoarmontheservoyoushouldsetthe‘servo

reversing’fortheaileronchannelasnecessarytoensuretheailerons/aileronservoare

respondingcorrectlytocontrolstickmovements(asshowninthe‘FlightControlsand

Trimming’sectionofthismanual).



Withtheaileronstickandtrimcenteredtheservoshouldalsobecentered.Nowinstallthe

selectedservoarmontheoutputshaftoftheservosoit’sasclosetoperpendiculartothe

servocaseaspossible.It’sOKifthearmcannotbepositionedexactlyperpendiculartothe

caseaslongasit’sclose.However,ifthearmismorethan5–10degreesawayfrom

perpendicularwesuggestrotatingthearmapproximately180‐degreesand/orcheckingother

suitableservoarmsuntilyoufindtheonethatfitswiththebestalignmentoverall.



Afterinstallingtheservoarmontheoutput

shaftinthepositionwiththebestpossible

alignmentuseoneoftheincluded2x6mm

‘button’(small)headscrewstosecurethe

servoarmtotheoutputshaft(donotover‐

tightenthescrew!).



10

Withtheservoarminstalledandtheaileronstickandtrimstillcenteredcarefullyspread

openeach‘clevis’(thewhiteplasticpartinstalledonthethreadedendofthemetalpushrod)

soyoucaninsertthepinintheholeoneachcontrolhorn/bracketattachedtothe‘aileron

torquerods’installedinthewing.Itmaybehelpfultoinsertaflatbladescrewdriver(not

included)intotheclevisthentocarefully‘twist’ituntilitdisengagesthepinfromtheholein

theclevis.Also,itisnotnecessaryto‘snap’theclevisbacktogetheruntilthecentering

adjustmentsarecomplete.



Afterconnectingtheclevisestothecontrolhorns/bracketsviewthetrailing(rear)edge

oftheaileronsandwingfromdirectlybehind.Thetrailingedgesoftheaileronsshould

be‘inline’withthetrailingedgesofthewingwhenaileronsareproperly‘centered’.

However,iftheaileronsare‘offcenter’youcanadjustthelength/positionofthe

pushrods/clevisesasneeded.



Ifeitheraileronis‘above’centercarefullyremovetheclevisfromthecontrol

horn/bracketandscrewit‘in’(clockwise)onehalftoonefullturntheninsertthepin

backintothecontrolhorn/bracket.Or,ifeitheraileronis‘below’centerscrewtheclevis

‘out’(counter‐clockwise)onehalftoonefullturntheninsertthepinbackintothe

controlhorn/bracket.Viewthetrailingedgesoftheaileronsandwingfromdirectly

behindagainandcontinueadjustingthelength/positionofthepushrod/clevisuntilboth

aileronsarecenteredappropriately.



NOTE:Insomecasesitmaynotbepossibletoexactlycentertheinboardandoutboard

portionsofanaileronrelativetothetrailingedgesofthewing.Ifyoufindthistobethe

casesimplyadjustthelength/positionofthepushrod/clevisto‘splitthedifference’

betweentheinboardandoutboardportionsrelativetothetrailingedgesofthewing.



11

NOTE:Youshouldalwaysrotatetheclevisuntilthepinisperpendicularwiththecontrol

horntoensurethepinisnotunderanyexcessiveload/pressurewheninsertedinthe

holeandduringoperation.Insomecasesitmaynotbepossibleto‘exactly’centerthe

surfacemechanicallywhileproperlyaligningthepin.Inthesecasesbesurethepinis

properlyalignedthenadjustthepositionofthetrim(orsub‐trim)slightlyasneeded.

Also,itwilllikelybenecessarytomakefurtheradjustmentstothetrimsettingduring

flightasmostsurfacesdonotendupinexactlythecenteredpositionwhenanairplane

istrimmedproperlyforactualflight(but‘centered’isstillthebeststartingpoint).



Also,westronglyrecommendinstallingtheincluded‘cleviskeepers’(theclearrubber

tubingsections)toprovideaddedsecurityfortheclevises.Typicallyyoucancarefully

slidethekeepersoverthecleviseswhentheyarenotconnectedtothecontrolhorn.

Then,afterconnectingtheclevistothecontrolhornand‘snapping’theclevistogether

youcanslidethekeepersintoapositionthatdoesnotallowthemto‘bind’againstthe

controlhorn/bracketduringmovementofthesurface.



Thewingisnowassembledandreadytoattachtothefuselageinalaterstep.



12



Parts/ToolsRequired:

Fuselage

Horizontalandverticaltails

Plastictailmount

2x8mm‘button’(small)headscrew;2pcs

2x8mm‘pan’(large)headscrew;1pc

Phillipsscrewdriver



Toinstallthehorizontalandverticaltailsstartbyaligningthe‘posts’extendingfromthe

bottomoftheverticaltailwiththesmallholeslocatedonthecenterlineofthehorizontaltail.

Carefullyslidethepoststhroughtheholeswithoutdamagingthefoamsothehorizontaland

verticaltailsare‘press‐fit’together.



Next,carefullyslidetheforwardsectionoftheverticaltailintothecorrespondingrecesson

thefuselagethenlowerthetailsectionintoplaceonthefuselagesothesmall‘tabs’onthe

bottomofthehorizontaltailalignandfitintothecorrespondingrecessesinthefuselage.

Nowtheentiretailsectionshouldbe‘press‐fit’tothefuselage.



Installin

the Horizontal and Vertical Tails

13

Beforeinstallingtheplastictailmountbesuretoalignandplacethetailwheel

bracket/mountintothecorrespondingrecessinthebottomofthefuselage.Then,carefully

slidethepostsextendingfromthetailmountintotheholesinthefuselage.Theposts

extendingfromthetailmountmustengagethepoststhatextendfromthebottomofthe

verticaltailwhilealso‘capturing’thetabsonthetailwheelbracket/mount.Takeyourtime

andcarefullyadjustthepositionofthetailsection,tailwheelbracket/mountandtailmount

untilbothpostsandthetailwheelbracket/mountengageproperly.



Whenengagedproperlythetailmountshouldfitalmostflushagainstthebottomofthe

fuselage.Nowyoucanslidethetwo2x8mm‘button’(small)headscrewsintotherecessed

openingsinthemountandtightenthemsecurely.Becarefulwhentighteningthesescrews

becausetighteningthemtoomuchcanstrip/breaktheplasticpostsand/ordamagethe

tails/fuselage.



Tocompletetheinstallationusetheremaining2x8mm‘pan’(large)headscrewtosecure

thetailwheelbracket/mountinplace.



Parts/ToolsRequired:

MainLandingGearAssembly

PlasticLandingGearCover

2x8mm‘button’(small)headscrew;2pcs

Phillipsscrewdriver



Themainlandinggearisinstalledintheslot/openinglocatedinthe‘LandingGear

Mount/BatteryHatch’onthebottomofthefuselage.Usemoderatepressureto‘squeeze’the

landinggearlegstogetherslightlythenslidethelandinggearintotheslot(youcanalso

removethelandinggearbydoingthesame).Besurethelandinggearisinstalledsoitangles

forward(towardthefrontoftheairplane)whenviewingtheairplanedirectlyfromtheside.

Installin

the Landin

Gear

14



Slidetheplasticlandinggearcoverintotheslot/overthelandinggearandcarefullyalignthe

smallpinsonthecoverwiththeholesinthemount.Pressthecoverintoplacesoit’s

approximatelyflushwiththemount/hatchthenusetwo2x8mm‘button’(small)head

screwstosecurethecoverandlandinggearinplace.





IMPORTANTNOTE:YoumustALWAYSturnthetransmitteronfirstANDhavethethrottle

stickinthelowestpossiblepositionBEFOREconnecting/installingtheLiPoflightbattery.

Andbeforeproceedingwiththefollowingsteps,pleasebesurethetransmitterispowered

onandthethrottlestickisinthelowestpossibleposition.



Afterselectingasuitable2‐Cell/2S7.4Vor3‐Cell/3S11.1V800–1300mAhLiPobatteryand

chargingitfullyit’sreadytobeinstalledintheairplane.Toaccessthebatterycompartment

onthebottomoftheairplane,rotatethetwolatchesuntilthey’reoutofthewayofthehatch

coverthenremovethecover.



TheLiPoflightbatterywillbesecuredinsidetheairplaneusing‘hook‐and‐loop’material.Use

theincludedadhesive‐backedhook‐and‐loopmaterialandapplytheappropriatesideinside

thebatterycompartmentand/oronthebattery.



Installin

the LiPo Fli

ht Batter

15

IMPORTANTNOTE:Thefactory‐installedESC(ElectronicSpeedControl)isequippedwitha

‘Tamiya‐stylemale’connector.IfyourchosenLiPobatteryisnotequippedwithasuitable

Tamiya‐stylefemalematingconnectoranumberofpre‐madeadaptersfrom‘Tamiya

female’toDeans(UltraPlug),EC3,EC2andotherconnectorsareavailable.Checkyour

favoritelocalstoreforavailabilityofasuitableadapteroryoucanremovetheTamiyamale

connectorfromtheleadsoftheESCandreplaceitwithaconnectorofyourchoice.



Beforeinstallingthebatteryintheairplaneyou’llneedtoconnectittotheESC.YOUMUST

BECAREFULTOENSUREPROPERPOLARITYBEFORECONNECTINGTHEBATTERYTOTHEESC.

Byorienting/aligningthewireleadsofthebatteryandESCsothey’re‘redtored’and‘black

toblack’you’llbeabletomaketheconnectionwithcorrectpolarity.



AftertheLiPobatteryisconnectedtotheESCyoucaninsertitintothebatterycompartment

thensecureitwiththehook‐and‐loopmaterial.Carefully‘tuck’thewireleadsandconnectors

insidethecompartmentensuringtheydonotdamagethebatteryorfoamairframewhile

alsoallowingthehatchcovertobeinstalledoverthecompartmentopening.Whenthehatch

coverisproperlyalignedandinstalledrotatethetwolatchesuntiltheysecurethecoverin

place.



ToremovetheLiPoflightbatteryfirstremovethehatchcoverandpullthewireleadsand

connectorsoutofthebatterycompartment.Then,carefullypullthebatteryoutofthe

compartmentbyseparatingthehook‐and‐loopmaterialmountedinsidethefuselageandon

thebattery.DisconnectthebatteryfromtheESCandDONOTpoweroffthetransmitteruntil

theLiPoflightbatteryisremovedfromtheairplaneanddisconnectedfromtheESC.

REMEMBER:ThetransmitterisalwaysONFIRSTandalwaysOFFLAST!



16



WiththetransmitterturnedonandtheLiPoflightbatteryconnectedtotheESC(and

installedinthebatterycompartment)it’snowpossibletoconnectthepushrodstothe

rudderandelevatorcontrolsurfacesandto‘center’thesurfacesaccordingly.



First,besuretocentertheelevatorandrudderchanneltrimsonyourtransmitter.With

thetrimscenteredcarefullyspreadopeneach‘clevis’(thewhitecolorplasticpart

installedonthethreadedendofthemetalpushrod)soyoucaninsertthepininthe

OUTERMOST(forlesscontrolsurfacetravel/throw)orSECONDOUTERMOST(formore

controlsurfacetravel/throw)holeoneachcontrolhorn.Itmaybehelpfultoinsertaflat

bladescrewdriver(notincluded)intotheclevisthentocarefully‘twist’ituntilit

disengagesthepinfromtheholeintheclevis.Also,itisnotnecessaryto‘snap’the

clevisbacktogetheruntilthecenteringadjustmentsarecomplete.



Afterconnectingtheclevisestothecontrolhornsviewtheverticaltailandrudderfrom

directlyabove.Theruddershouldbe‘inline’withtheverticaltailwhenit’sproperly

‘centered’.However,iftherudderisangledofftotherightorleftyoucanadjustthe

length/positionofthepushrod/clevissothesurfaceiscentered‘mechanically’whilethe

rudderchanneltrimiscentered.



Centerin

the Control Surfaces

17

Iftherudderisangledofftotheleftcarefullyremovetheclevisfromthecontrolhorn

andscrewit‘in’(clockwise)onehalftoonefullturntheninsertthepinbackintothe

outermostorsecondoutermostholeinthecontrolhorn.Or,iftherudderisangledoff

totherightcarefullyremovetheclevisfromthecontrolhornandscrewit‘out’

(counter‐clockwise)onehalftoonefullturntheninsertthepinbackintotheoutermost

orsecondoutermostholeinthecontrolhorn.Viewtheverticaltailandrudderfrom

directlyaboveagainandcontinueadjustingthelength/positionofthepushrod/clevis

untiltherudderiscenteredappropriately.



NOTE:Youshouldalwaysrotatetheclevisuntilthepinisperpendicularwiththecontrol

horntoensurethepinisnotunderanyexcessiveload/pressurewheninsertedinthe

holeandduringoperation.Insomecasesitmaynotbepossibleto‘exactly’centerthe

surfacemechanicallywhileproperlyaligningthepin.Inthesecasesbesurethepinis

properlyalignedthenadjustthepositionofthetrimleverslightlyasneeded.Also,itwill

likelybenecessarytomakefurtheradjustmentstothepositionofthetrimleverduring

flightasmostsurfacesdonotendupinexactlythecenteredpositionwhenanairplane

istrimmedproperlyforactualflight(but‘centered’isstillthebeststartingpoint).



Followthesamestepsoutlinedforcenteringtheruddertocentertheelevatoraswell.



Also,westronglyrecommendinstallingthe

included‘cleviskeepers’toprovideadded

securityfortheclevises.Typicallyyoucan

slidethekeeperoverthecleviswhenit’snot

connectedtothecontrolhorn.Then,after

connectingtheclevistothecontrolhornand

‘snapping’theclevistogetheryoucanslide

thekeeperintoapositionthatdoesnot

allowitto‘bind’againstthecontrolhorn

duringmovementofthesurface.

18



IMPORTANTNOTE:BeforeinstallingthepropelleryouMUSTdisconnectthebattery

fromtheESC.Failuretodosocanresultinseriousbodilyharmand/ordamageto

property!



TherearetwooptionsavailableforinstallingthepropellerontheGamma370Pro.The

firstoptionisfor‘standard’installationofthepropellerandspinnerwhilethesecond

optionisforinstallationofthe‘propsaver’.Werecommendinstallingthepropsaverif

flyingoverroughsurfacesand/orlonggrassasitcanhelpprotectthepropeller,motor

shaftandESCfromdamageduringsomelessthanperfecttakeoffsandlandings.



Also,twodifferentsizepropelleroptionsareincludedwiththeGamma370Pro.We

recommendinstallingthe(largerdiameter)9x7SlowFlyerPropeller(AZSP0970SF)for

usewith2‐cell/2S7.4VLiPobatteries,orthe(smallerdiameter)8x6SlowFlyer

Propeller(AZSP0860SF)forusewith3‐cell/3S11.1VLiPobatteries.



IMPORTANTNOTE:Thepropellermustbeinstalledinthecorrectdirectioninorderfor

theairplanetofly!Thefrontofthepropelleristhesidethatisslightly

curved/rounded‘outward’.ThissideofthepropellermustALWAYSfaceforwardon

theGamma370Proforproperoperationandperformance.



Installin

the Pro

eller

tional-Use

Pro

Saver

19

StandardInstallation



Parts/ToolsRequired:

Propeller(8x6or9x7)

RubberSpinner

3mmhex‘lock’nut;2pcs

3mmflatwasher;1pc

Pliers,adjustablewrenchor5.5mm

socket/wrench

Toinstallthepropellerstartbythreadingthefirst(rear)3mmhex‘lock’nutontothe

threadedportionofthemotorshaft,withthenyloninsert/’lock’orientedtowardthe

BACKoftheairplane,untilitstopsattheendofthethreads.Tightenthisnutinplace

(donotover‐tighten!)theninstallthepropellerontheshaftandrotateitasnecessary

untilitlinesupwith,slidesoverandfully‘engages’thenut.Itmayalsobehelpfulto

insertthenutintothebackofthepropellerhub,withthenyloninsert/’lock’oriented

towardtheBACKoftheairplane,thentothreadthenutandpropellerontotheshaftat

thesametime.



Next,installtheflatwasherandtheremaining(front)hex‘lock’nut(withthenylon

insert/’lock’orientedawayfromthewasher)thentightenthenutaccordingly(donot

over‐tighten!).



IMPORTANTNOTE:Beforeinstallingtherubberspinneritwillbehelpfultoproceedto

the‘ESC(ElectronicSpeedControl)Arming’sectionofthismanualandtocarefullyrun

themotorandensurethepropellertipsare‘tracking’properly.Duetopossible

variationsinthe‘hub’ofthepropeller,thehexnutsandthreadsonthemotorshaft

sometimesthepropellerwillbe‘angled’slightlywheninstalled.Ifthepropisangled

evenslightlyonetipwillbe‘ahead’oftheotherwhenspinningresultinginan‘out‐of‐

track’conditionthatcausessignificantvibrationandpowerloss.



20



Usuallyit’spossibletocorrecttheangled/out‐of‐trackconditionbylooseningthefront

hexnutuntilyoucanpullthepropellerforwardandrotateittothenextpositionin

whichitwillengagetherearhexnut.Thentightenthefonthexnutandrunthemotor

again.Ifthetipsarestilloutoftrackrepeatthisprocessuntilyoufindtheposition

wherethepropellertipstrackbest.Or,inveryrarecases,youmayneedtoswitchtoa

differentrearhexnutand/orpropellertoensureoptimaltrackingandthesmoothest

possibleoperation.



Afterensuringoptimaltrackingyoucaninstall

therubberspinnerovertheexposedendofthe

motorshaft.Pushthespinnerontotheshaft

afterensuringtheshaftisalignedproperlywith

the‘hole’inthespinner.Also,besurethe‘cut

outs’inthespinneralignproperlywiththe

bladesofthepropellerthenpushthespinner

ontotheshaftuntilitstops.Checktobesurethe

backedgeofthespinnerdoesnottouchthe

cowl,andifitdoesyoucancarefullyremove

someofthematerialalongthebackedgeuntilit

nolongertouches.



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