Sawn Craft Cherokee 24 Guide de l'utilisateur

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Cherokee 24

Assembly and Setup Manual

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Specifications Recommended Power System

Wingspan 24” ESC 10A Brushless

Overall Length 18.3” Motor 40 to 50 watt out runner (14g)

Wing Area 133.9 in2Servo 4x 3.6g Sub-Micro

Flying Weight 3.9oz / 111g RX 6-Channel (4-ch minimum)

Intended Use Indoor/Outdoor Battery 180 to 300mAh 2S 7.4V 25C LiPo (or similar)

Revised 2016-10-19

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ThankyoufromSawnCraft.

ThankyouforpurchasingtheSawnCraftCherokee24aircraftkit,thefourthmodelinourFrontYard

Fightersseries!ThismodelisaslightdeparturefromthewarbirdsthatmakeuptherestoftheFYFline,

butthebuildandperformanceareverymuchthesameastherestoftheseries.Likethefull‐scale

Cherokee,inyourhandsisaremarkablyversatileairplanedesignedtodeliverapleasurecruiserwithan

incrediblelookintheair.ThelightweightandresilientEPPandcarbonconstructionmakesitpossiblefor

youtoexperienceawideperformanceenvelope.Thismeansthatnomatterhowyouliketoﬂy,you’ll

enjoybothstabilityandmaneuverabilitywithoutanysacrificeinprecisionorcontrolfeel.

YourSawnCraftCherokee24aircraftkitrepresentsthebenchmarkofindoorflightperformanceand

aerobaticversatility.Allyouhavetodonextisreadandapplytheinformationpresentedinthis

instructionmanual.

Isincerelyhopethatyouenjoyyourmodelasmuchaswedo!Ifyouhaveanytroubleswiththese

instructionsorinthesetupofyourmodelfeelfreetocontactusandwewillprovideyouwiththe

serviceyouexpectfromahobbyist‐ownedandoperatedbusiness.

JonathanSawn

Owner,SawnCraft

Jonathan@Sawn‐Craft.com

Table of Contents

1Introduction1

1.1StyleConventions1

1.2RequiredTools&Supplies1

1.3RequiredPartsforCompletion 2

1.4IncludedPartsDescription 3

2AssemblyInstructions4

2.1PartsSheetRemoval4

2.2CuttingControlSurfaceBevels5

2.3HorizontalComponentAssembly6

2.4VerticalComponentAssembly8

2.5LandingGearAssembly9

2.6ServoEZConnectorAssembly&Installation12

2.7WingServoInstallation13

2.8UpperVerticalFuselageInstallation14

2.9ElectronicsInstallation15

2.10GussetInstallation18

2.11Painting/Decorating19

3SetupandTuning20

3.1CenterofGravity20

3.2RadioSetupandMixing20

3.3ControlThrowsandExpo21

3.4Launching/Take‐Off21

3.5FlyingTips21

3.6Repairs&SpareParts22

SawnCraftCherokee24Manual 10/17/16

1 Introduction

Thecontentsofthismanualassumetheoperatorwillhavethefollowingprerequisites:

•Understandingofallappropriatesafetyproceduresandrequirements

•Theabilitytofollowwrittenproceduresandpossessbasichobbybuildingskills

1.1 Style Conventions

Belowaretheimportantstyleconventionsthatwillbeusedthroughouttheguide.

Note:Keypointsorhintsforsuccesswillbeformattedinthismanner.

Warning:Anyareathatposeseitheraphysicalhazardorthedangerwillbeformattedinthismanner.

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Arrowsinformwheretoclickortoperformthespecifiedoperation.

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1Circleditemsinformofitemsofinterestforthespecifiedoperation.Circleditemswilltypicallybe

accompaniedbytextfurtheridentifyingtheregionofinterest.

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1.2 Required Tools & Supplies

Thelistbelowcontainsalloftherequiredtoolsandsuppliesthatarerequiredfortheassemblyand

tuningofthismodel.

•Clean,flatworksurface(buildingboard)

•#11hobbyknifeorotherrazorknife

withspareblades

•2xMetalstraight‐edgeruler

•T‐Pins(1”–1.5”areideal)

•Scissors

•PermanentMarker

•Drillw/1/16”&5/64”bit

•BeaconFoam‐Tacfoam‐safeadhesive

•CAadhesive

•3MBlendermTape

•Maskingtape

•Waxpaper

•Solderingiron&solder

•Heatgun

•Wirecutters

•Needlenosepliers

SawnCraftrecommendstheuseofBeaconFoam‐Tacadhesiveand3MBlendermHingeTapefor

theconstructionofthismodelduetoitsstrength,lightweight,andeasyuse.BothBlenderm

andFoam‐TaccanbepurchasedbyvisitingtheBuildingSuppliestabonSawn‐Craft.com

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SawnCraftCherokee24Manual 10/17/16

1.3 Required Parts for Completion

Thelistbelowcontainsthetestedandrecommendedpartsforyourmodel:

•SawnCraftFYFCompletionKit

oTurnigyC18222100kvmotor

o10ABrushlessESC

o4x3.6gServos

o6‐ChannelReceiver(Optional)

o6”x3”ElectricProp

oJSTFemalePigtail

oShrinktube,etc.

•180mAhto300mAh2S25CLiPoBattery

•Velcro

Pleasenotethatotherpowersystemsandcomponentsmaybecompatibleandmaywork

withoutissue,butthelistedcomponentshavebeenusedsuccessfullybySawnCraft.

Optional Parts for Completion

Tomakeyourbuildeasierandensurethenicestlookingfinishedproduct,thefollowingproductsare

offeredonSawnCraft.com.SeetheBuildingSuppliestabfortheseproducts.

2

Theorderofassemblypresentedinthisinstructionhasbeentestedanditisrecommendedthat

youdonotdifferfromthemtoprovidethemostaccurateandeasiestassemblypossible.Also,

theconstructiontechniquesofmanyofouraircraftareextremelysimilar.Thoughwewilltryto

includeasmanyphotosofyourspecifickitinthisinstruction,otherkitassemblyphotosmaybe

usediftheinstructionand“look”oftheassemblyisthesame.

If you would like to view larger images or print out your own version

of this manual it is available 24/7 on Sawn Craft's website. Visit the

Support tab, or use this link to get there:

http://sawn-craft.com/p/support

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SawnCraftCherokee24Manual 10/17/16

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1.4 Included Parts Description

Pleaseinspectyourkitandensurethatalllistedpartsarepresentandundamaged.Ifyoufindmissing

partsorsignsofdamagepleasecontactSupport@Sawn‐Craft.comforassistance.

a) 22.75”CarbonStrip(NotPictured)

b) 3mm&6mmEPPMotorSpacers

c) Rudder

d) Elevator

e) Wing(2each)

f) Aileron(2each)

g) 3mmEPPGussets(2eachlong,2eachshort)

h) LowerVerticalFuselage

i) HorizontalFuselage

j) UpperVerticalFuselage

k) SmallPartsBag:(Picturedatright)

k.1 25mmWheel(3each)k.6 PlywoodMotorMount

k.2 8.5”CarbonStripk.7 PlywoodControlHorns(4each)

k.3 5”CarbonRod(2each)k.8 WireControlRods(4each)

k.4 5.5”CarbonRodk.9 MicroLinkageStoppers(4each)

k.10 24”LandingGearBindingThreadk.5 3.5”1/16”Wire

3

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a

b

f

i

d

g

h

e

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SawnCraftCherokee24Manual 10/17/16

2 Assembly Instructions

2.1 Parts Sheet Removal

•PartsRequired:

oKitPartsSheets

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1) Usingasharphobbyknifecarefullycutthefoampartsoutofthesheets.Thesmalltabsholding

thepartsintothesheetcansometimesbetrickytofindsoifyouhavetroubleremovingapart

fromthesheetkeeplookingforthatlasttab.Onceoutofthesheet,youmaychoosetocleanup

theremainingtabonthefoampieceswithahobbyknifeandsomesandpaper.

2) Findandmarkwithmaskingtapethebottomofthehorizontalfuselage,bottomofthewinghalves,

bottomoftheailerons,andbottomoftheelevator.Thebottomofthesecomponentswillhavea

slotmilledforcarbonstrips.FindandmarkwithmaskingtapetheLEFTsideoftherudderandthe

LEFTsideofuppercomponentoftheverticalfuselage.Theselabelswillhelptoassurethebeveled

hingecutsareonthecorrectsideofthefoam.

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4

Milledsparslot

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SawnCraftCherokee24Manual 10/17/16

2.2 Cutting Control Surface Bevels

•PartsRequired:

oHorizontalFuselage

oAileron(2x)

oRudder

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1) Bevelthehingedcontrolsurfaces,usingsteelrulersandfreshsingle‐edgerazorblades.Seta12‐

inchorlongermetalrulerbackingattheedgeofyourworkbench.Laythefoamparttobebeveled

ontheruler,aligningtheedgeoftheruledandtheedgeofthefoamnearesttoyou.Layasecond

steelrulerfacingdownfarenoughbacktoexposeenoughfoamtoallowa45degreeslicetobe

removed.Cutthefoamwiththesingle‐edgerazorbladeheldagainstbothrulers.Anglingtheblade

makesasmoothercut.

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Bothaileronswillbebeveledontheirleadingedges,ensuringthattheyaremirrorimagesofeach

other.Therudderwillbebeveledonitsleadingedge,butthebevelshouldbecutoutoftheright

sideofthepart.Placetherudderwithitsleftsidedownonthetableandcutthebevelfromthe

rightside.Therearofthehorizontalfuselagewillbebeveledonthebottomsideofthepart.Place

thefuselagewithitstopsidedownonthetableandcutthebevelfromthebottomside.

EPPfoamdullsbladessurprisinglyfast,sobepreparedtochangetoafreshbladewhenyou

detectsnaggingorexcessdragasyoumakeyourcuts!

5

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SawnCraftCherokee24Manual 10/17/16

2.3 Horizontal Component Assembly

•PartsRequired:

oWing(2each)

oAileron(2each)

oHorizontalFuselage

oElevator

o8.5”CarbonStrip

o22.75”CarbonStrip

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1) Assembleandgluethehorizontalcomponents.Testfitallpartwithoutgluetocheckfitbefore

gluing.

Workoverwaxedpapertokeepfromgluingthemodeltothebuildingsurface.

‐Pinthehorizontalfuselagecomponenttothebuildingsurface.

‐Glueinthe8.5”carbonstripelevatorsparintotheelevator.

‐Gluethewinghalvesinplace.Wipeoffexcessglue.

‐Runabeadofgluealongthesparslotandpressthe22.75”carbonstripsparintoplace.Wipeoffany

gluethathassqueezedoutoftheslot.

Wipeoffallglueoutsideoffoamjoints.Thisgluedoesnotaddanystrength,butitdoesadd

weightwhichwillnegativelyaffecttheflightcharacteristicsofthemodel.

6

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SawnCraftCherokee24Manual 10/17/16

2) Measuretheleadingedgeoftheelevatorandmakeasmallmarkatthemidpoint.Dothesamefor

thetrailingedgeofthehorizontalfuselage.

3) Makegluehinges.Pintothebuildingboardeachofthehingedparts,withbevelcutdownagainst

thebuildingboard.Locatethepartswiththematingsurfacesgentlytouching,ensuringthatthe

partsarecenteredorotherwisealignedcorrectly,dependingonthesurface.Runthesmallest

possiblebeadoffoamgluealongeachseam.Runafingeralongeachseamtopushtheglue

betweenthematingparts.Blotupexcessgluewithapapertowel.Letdryatsufficientlyforthe

gluetofullycure.Leavingthepartsovernightisidealforthestrongestandmosttruebond.

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7

BUILDINGTIP:Ithelpstousesomeweighttoholdthepartsinalignmentwhiletheglueiscuring

ifyouchoosenottousepins.



Table des matières

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