Pilot-1 WACO YKS-6 User manual

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1/4scale1936 WACOYKS-6“CustomCabin”ARF
Wingspan: 100 in. (2540mm)
Length: 74 in. (1880mm)
Wing Area:2496 in². (161dm²)
Flying Weight: 352 oz. (9.98kg)

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Introduction&History
WACO ispronounced “wah-co”It rhymeswithtaco. The WACO Aircraft Cohasno
relation toWaco, Texas, whichbythe way, ispronounced “way-ko.”
“The WACO Aircraft Companyof Troy, Ohiowasthe leading aircraft manufacturerof
civilian aircraft inthe U. S. from1928 -1935. Beginning in1921 asthe Weaver Aircraft
CompanyinLorain, Ohio, theymoved toTroyin1924 and becamethe AdvanceAircraft
Companybut kept the WACO logo. In1929, the namewaschanged tosimplythe
WACO Aircraft Company.
WACOproduced over80 modelsduring the years1919 -1946,including the large troop
carrying glidersused inall the majorinvasionsduring WWII. The best selling WACO
wasthe Model10, withover1100 being produced from1927 -1930. During the years
1939 -1942, WACO alsobuilt just over600 ModelUPF-7'sforthe CAA and the Civilian
Pilot Training program. WACOswerealsopopulararound the worldand soldairplanes
to37 differentcountrieswithBrazil being the largestbuyer.”(WACOAirMuseumonline,
Oct. 2008)
Pilot-1 ispleased toannouncethe 1/4scaleWACO YKS-6aspart of the Golden Age
Civilian Series. The Pilot-1 WACO YKS-6encompassesthe sameattributesinquality
construction and handling that made the originalWACO afavoriteforover75 years.
Ourengineershavespent countless hoursdeveloping atrue-to-scaleARFthat looks
and flieslikethe full-scaleairplane. Weknowyou will be pleased withitsscalelooks
and balanced maneuverability.

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Beforestarting, usethe Contentslist totakean inventoryand makesureit iscomplete.
If anypartsaremissing orarenot of acceptablequality, contact Hobby-Lobby.com
Support at 1-866-WE-FLY-RC (1-866-933-5972)
ContentsList
¨ Fuselage
¨ Engine Cowland Plywood Attachment Ring
¨ Landing Gearand Plywood Inserts
¨ Wheels, Velcro, Misc Hardware
¨ Wingsand Corrugated Ailerons
¨ Tube Wing Joiners
¨ Airfoil AluminumWing Struts
¨ HorizontalTail and Elevator
¨ VerticalTail and Rudder
¨ Long Carbon FiberPushrodsforTail
¨ Pull-pull cableforrudderand tailwheel
Additional ItemsRequired
(electricversion)
¨ 4-channelAircraft Radiow/ Receiver(minimum)
¨ 10 to12 Lipo cellsinseries(5000-6000mah)
¨ (5)HitecHS-635 servosforelectricversion (add 1moreforgas)
¨ (2)12”servowireextensions
¨ 77 ampJetiSPINBrushless ESC
¨ AXI 5345/16 Brushless Motor
¨ APC21x12WPropeller
¨ 5-minuteand 30-minuteEpoxyGlue
¨ ThinCAGlue
¨ Phillipsscrewdriver
¨ HexDrivers
¨ NeedleNosePliers
¨ HobbyKnife
¨ Soldering iron and electricalsolder

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1.Locatethe partsshownforthe aileron
installation.
2.Removethe servomounting platefromthe
lowerwing panels. The mounting layout is
forthe HitecHS-635 standardservo.
Adjust asnecessaryif you areusing a
different servo.
3.Drill the wood blocks witha1.5mm drill
(1/16”).
4.Mount aileron servotoblocks withservo
screws. Makesurethe aileron iscentered
using aservocentering device.
5.Add a12”heavy-dutyservoextension to
the aileron servos.
6.Add aservoplug retainerortape the
connection toprotect against accidental
disconnection.

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7.Slide the servoextension through the wing
tothe root.
8.Install servomounting platewithsmall
sheet metalscrews.
9.Untape aileron frommainwing panel.
10.LocateCAhinges, fourwill be used for
eachaileron.
11.Aileronsand theirmating surfacehave
been pre-slotted forCAhinges.
12.Insert CAhingestotheircentersineach
slot on aileron.
13.Foldthe CAhinge sharplyupward, This
will keep theminplacewhen inserting the
hingesinthe mainwing panel.
14.Install the aileron intoposition on the main
wing panel. Makesuretocheck the gap at
the root of the aileron and the fit at the tip.
15.Withthe aileron tight against wing and
deflected downward, use3dropsper
hinge of thinCAtoassurestrong bonds.
Usepapertoweltoremoveanyexcess CA
beforedrying.

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16.Deflect aileron upwardsand repeat
application forbottomof wing. Notevery
small gap between aileron and wing.
17.Fromthe top of the wing install the aileron
controlhornwithitswasher. DO NOT
tighten yet. Relievethe areaswherethe
washertouchesthe corrugations. Thisis
most easilyaccomplished withaDremel.
18.Aftermarking the location of the washer
useaDremeltotrimthe corrugations.
19.Workcarefullytomaintainaclosefittothe
washer. (See Photo)
20.Repeat the process forthe underside of
the aileron.
21.Assemblethe aileron controlhornand use
adrop of thread lockertoavoidthe unit
loosening due tovibration. Snug the nut
tight but do not overtighten.

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22.Screwnylon controlhornlinkage tothe
controlhorn. The distancefromthe bottom
of the aileron tothe centerof the holeon
the nylon part shouldbe about 28mm
(1-1/8”).
23.Prepare3full sizeservosforinstallation,
werecommend the HitecHS-635.
24.Install the servoarmsasshowninthe
photo.
25.Locatethe 2long elevatorpushrods.
26.Install 2-HS-635 Hitecservosintoouter
mount locationswitharmspointing toward
centerof fuselage. (See Photo)Ashort
Phillipsscrewdriverisrequired.
27.Slide the elevatorpushrodsintoposition
and install eachclevisintoservoarm
about 25mm (1”) fromthe center.
28.Wewill comeback tothe rudderservo
installation inafewsteps.
29.Locatethe partsforthe tailwheel
assembly.

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30.Mount the aluminumplatetothe bottomof
the fuselage with3screws. The bend in
the aluminumplategoesdown.
(See photo)
31.Locatehorizontalstabilizerand elevators
along with6CAhinges. Repeat the
assemblyprocess similartothe ailerons.
Makesuretoadjust the gapsinthe hinge
line aswell asthe end gapspriorto
gluing.
32.Epoxyhorizontaltail intoposition on the
fuselage making suretocenteraccurately.
33.Preparethe verticalfinand rudderfor
installation. Install CAhingesinrudder
and fin.
34.NOTE: Tail wheelmust be installed at the
sametimeasthe rudder.
35.Epoxyverticalfinand rudderinplace
along withthe tailwheelsteering arm.
(See photo)
36.Locatethe Pull-Pull ruddercontrolparts.
2lengthsof cable, 4metalclevisesand 4
metalcrimptubes.

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37.Thread the bareend of eachcableinto
fuselage at rear. Atube isapre-installed
foryou. Pull all but afewinchesof cable
tothe front. Tape the rearof the cablesso
that theyremainaccessible.
38.Install clevisesat the front end of the
cables. Orderof assembly: slide crimpon
wire, thread wirethrough holeinclevis,
returnthrough crimp, loop end around
through front of crimpagain.
39.It iseasiest tocompletethe cablesetup at
the servoend priortoinstalling the servo
inthe fuselage.
40.Install servoincenterholeinfuselage.
41.Un-tape the cablesat the rearof the
fuselage and thread the pull-pull cables
through the clevises. Just get the basic
cablethreading done but DO NOT crimp
yet.
42.Install the pull-pull controlhornthrough
the rudderand center. Usethread locker
tokeep the unit tight.
43.Install the nylon hornson the threaded
rod.
44.TIP: Connect the rudderservotoaservo
centering deviceand centerthe servo.
Leaveconnected during the cable
adjusting process.
45.Afteryou aresatisfied that you havethe
cablelengthscorrect forcentering your
rudder, and that the servoisstill inits
neutralposition, crimpthe wireinposition.

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46.Photoshowsthe elevatorand rudder
controls. Tighten the lock nut tomaintain
the settings.
47.Clipthe excess wireinfront of the crimp.
48.Locatethe pre-painted wirelanding gear
partsaswell asthe 2wooden fillersand
the 2nylon landing gearstrapsand
screws.
49.Insert the landing gearintothe pocketson
the fuselage making suretoavoid
puncturing the covering withthe rear
landing gearwire.
50.Seat gearfullyintoposition and insert the
rearwireinthe pre-drilled holenearthe
front edge of the lowerwing. (See photo)
51.Spread epoxyon the sidesand edgesof
the wooden fillers.

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52.Insert glued fillerinposition. Haveasmall
hammerhandytotap the block inplace.
53.When fullysheeted the wooden block will
still protrude asmall amount.
54.Useapapertoweland rubbing alcoholto
removean epoxythat hassqueezed out.
55.Repeat process forthe otherside.
56.Placethe nylon landing gearstrap in
position. (See photo)
57.Drill apilot holeforthe mounting screws.
58.Screwstrap intoposition.

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59.Afterthe epoxyhascured sand the
wooden fillerblocks flushwiththe
fuselage.Thisismosteasilyaccomplished
byusing aDremelwithasanding drum.
Workcarefullytonot damage the finished
fuselage.
60.Oncesatisfied withthe fillers, cut 2
patchesfromthe supplied orange
covering tohide the installation.
61.Using acovering iron withasock on it,
iron the covering intoposition.
62.Locatethe gearleg coversand their
inserts.

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63.Aftertrialfitting, epoxythe gearlegsinto
position.
64.Insert balsastripsintothe groovetofinish
the inside of the gearleg.
65.Oncesatisfied withthe position of the
fillers, CAtheminplacewiththinCA.
66.Cut lengthsof orange covering tofinish
the interiorof the gearlegs. Iron one edge
of the covering intoposition.

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67.Slit the covering togo around the smaller
wireand completethe ironing process.
68.Locatethe scalewheels.
69.Slipone wheelcollaron the axelthen the
wheeland anotherwheelcollar.
70.Tighten wheelcollars.
NOTE: The nutson the wheeldisc facethe
inside of the model. (see photo)

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71.Install the 2wing tubes. The longerone
(approx. 25”) isthe bottomtube. The
shortertube (approx. 21-1/2”) isforthe
upperwing.
72.Slide the 4wing panelsintoposition.
73.Locatethe 4hitchpins. The wing panels
areheldinplacewiththesepins, no
screwsof boltsarerequired.
74.Press the hitchpinintoposition toholdthe
wing panelinplace.
NOTE: Forconvenienceand toavoidthe
chanceof forgetting orlosing the pins, we
suggest that you useashort lengthof string
and tethereachof the pinsnearwherethey
aretobe used.

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75.Locatethe 8pre-painted airfoiled
aluminumwing struts.
76.Locatethe hardwareforthe struts.
16 Nylon fittingspre-drilled.
4-3x30mm screws(shorten to25mm)
8-3x15mm screws
16-3x10mm screws
28-3mm nylock nuts
77.Install 2nylon fittingswithon 3x25mm
screwand one 3mm nylocnut. Orient the
nutstowardthe middleof the wing.
78.Forthe singlefitting locationsusethe
3x15mm screwand 3mm nylock nut.

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79.When all fittingsareinstalled on the wings
begintoinstall the strutswiththe long
diagonalstrut.
80.Attachthe bottomof the strut tothe single
fitting on the leading edge of the bottom
wing, makesuretoalign the airfoil withthe
thick end forward. Usea3x10mm screw
and a3mm nylock nut.
81.Holdthe nut withapairof needlenose
plierswhileyou screwthe Phillipshead in
place. Repeat at the upperend.
82.The Nstrutsare3different lengthswith
the longest at the rear, the shortest inthe
middle(the diagonal)and the middle
lengthstrut at the front. The photoshows
the upperconnection of the Nstrutsat the
rearof the wing.
83.Photoshowsthe upperconnection of the
Nstrut at the front of the wing.

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84.Photofromthe rearof the diagonalstrut
and the Nstrutsat the front of the lower
wing.
85.Photoof the rearNstrut connection at the
rearof the lowerwing.
86.Install all hardwareand snug eachnut, do
not overtighten.
87.Locatethe hardwareforthe aileron
interconnection.
4-Nylon connectors
4-3mm nylock nuts
2-Pre-painted interconnectors
88.Screwthe nylon part tothe pre-installed
threaded stud at the trailing edge of the
ailerons, securewith3mm nylock nut.
89.Install aileron interconnectorcelvistothe
nylon part.

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90.Adjust the lengthof the interconnectorso
that bothupperand loweraileron arein
neutralposition.
91.Connect and tighten lock nutstosecure.
92.Locatethe tail bracewiresand solderon
electricalendsaswell asthe 3-3mm allen
head screwsand 3mm nylock nuts.
93.You will be soldering the ring electrical
connectorstothe endsof the bracewires.
94.Pre-bend one of the solder-on connectors
asshowninthe photo.
95.Solderthe connectortothe bracewire.
96.Adjust the lengthof the bracewireand
solderit inplacewiththe connectorheld
withthe bolt. (See photo)

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97.Tighten the 3threaded allen head bolts.
98.Onthe bottombracewiressolderthe
terminalsothat awood screwcan be
used toattachit tothe fuselage. Pre-drill
the fitting beforeinstalling the screws.
99.See photoforthe location of the brace
wires.
100.Photoshowsthe generallayout of tail
parts.
101.Bottomviewof elevatorpushrods, pull-
pull rudderwithtail wheelsteering and the
lowermount pointsforthe tail bracewires.