Hobby-Lobby Apache Princess User manual

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Hobby-Lobbyispleased toannouncethe eRC B-25 Mitchell “Apache Princess”,the first
RC modelairplane initsclass toinclude scaleaction retractablelanding gearwith
sequenced geardoors, counterrotating propellers, and working position lights. Agreat
dealof the assemblyispre-done foryou. Thisisareceiverreadyairplane that only
requiressomesimpleassemblyand the installation of yourradioequipment and
batteriestobe readytofly.Pleaseread the assemblymanualcarefullytofamiliarizeyou
withall the stepsbeforestarting.
HobbyLobbyInternational, Inc.
5614 FranklinPikeCircle
Brentwood, TN37027
1-866-WE-FLY-RC
(1-866-933-5972)
www.hobby-lobby.com

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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
¨ CanopyBatteryHatch
¨ 2-Engine Cowlsand MotorMounts
¨ Landing Gearand Wheels(pre-installed)
¨ 3Landing GearDoorSequencers(pre-installed)
¨ 2pairof 3-bladed propellers(2left, 2right)
¨ 2-Brushless OutrunnerMotors
¨ 2-20ASpeed Controls(pre-installed)
¨ WingswithNavigation lights(pre-installed)
¨ HorizontalTail and 2VerticalTails
¨ Scaledetail parts, guns, airscoops, radioantennas
Additional ItemsRequired
¨ 6-channelAircraft Radiow/ Receiver(minimum), Computerradiorecommended.
¨ 3-cell, 11.1VLipo Batteries(2500mAh)
¨ 5-minuteEpoxyGlue
¨ Small PhillipsScrewdriver
¨ NeedleNosePliersand HobbyKnife

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1.Thismanualwill helpyou assembleyour
B-25 Mitchell. Let’sstart withthe
installation of the brushless motors. Plug
the three motorwiresintothe three ESC
wires. Donot worryabout the plug-in
order; wewill check motorrotation ina
laterstep.
2.Feed the ESCand motorwiresback into
the engine nacelleand slide the motor
ontoitsmotormount.
3.Tighten setscrewwith1.5mm hexwrench
toholdthe motorinposition.
4.Set the twoengine cowlsaside till alater
step.

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5.Locatethe variousY-connectors. See
photoforidentification. The triple
connectorisforthe retracts(Ch. 5). The Y
that doesnot havethe signalwireisfor
the lights.
6.Photoshowsthe root end of awing panel
and identifiesthe variousconnectors.
7.Locatethe tripleconnectorand plug in
one leg tothe connectorlabeled “5”.
Pleasemakesuretocorrectlyorient the
signalwireon the connectors.
8.Afterplugging the wirestogether, tape the
connection withcleartape toprevent them
fromdisconnecting.

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9.Locatethe fuselage and applyabead of
glue tothe inside of the mainwing
opening.
10.Applyglue tothe root end of one main
wing panel.
11.Feed wiresintothe fuselage at front of the
wing opening and insert the wing intothe
fuselage. Makesurethat the wing isfully
seated intothe opening. When the wing is
inthe correct position it will looklikethe
photo, the flap line will be adjacent tothe
fuselage.
12.Insert the wirewing stiffenersfromthe
otherside of fuselage and repeat the
gluing process forthe second mainwing.

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13.Again, makesurethat the wing isfully
seated inthe opening asshowninthe
photo.
14.Locatethe foamrectanglethat creates
the wirecoverforthe bottomof the wing.
Applyabead of glue around the edge.
15.Install the wirecoverasshowninthe
photo.
16.Locatethe horizontalstabilizer. Please
notethe orientation of the bell cranks in
the photo.

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17.Insert the rudderpushrod Z-bend intothe
outermost holeon the inboardbell crank
asshowninthe photo. Repeat forthe
oppositeside of the stabilizer.
18.Placethe stabilizerinposition on the
fuselage and screwintoposition withthe
long screwsasshown. Note: it isnot
necessarytoglue the stab inposition.
19.. Snug eachscrewinposition. Donot over
tighten.
20.Attachthe elevatorpushrod tothe control
horninthe outermost hole. Afterpowering
up the radiosystemand withyourcontrol
trimsinneutraladjust clevisessothat the
elevatorsareinneutral.

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21.Install the twoverticalfinson the
horizontalstabilizer. Asmall amount of
glue can be used if desired.
22.Screwfinintoposition asshown.
23.Install the short rudderpushrodstothe
outerbell cranks asshowninthe photo.
24.Lightlyglue the rearscrewcoverinto
position on the bottomof the fuselage.

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25.Temporarilyinstall propson the motors.
PLEASE NOTE: Bothleft and right hand
propsareprovided inthe kit. Werecommend
that the B-25 prop rotation be setup withthe
tipsof the propsrotating towardthe wingtips
at the top of theirrotation. Thismeansthat
fromthe pilotsseat the right engine isrotating
clockwiseand the left engine counter
clockwise. If eithermotorisnot turning inthe
correct direction, swap anytwoof the three
motorwirestoreverseitsdirection.
26.Afterremoving the props, install the
engine cowls. Three small black screws
areprovided foreachcowland wooden
cowlmounting blocks arepre-installed on
the nacelles.
27.Makesurethat the cowlincentered
correctlyand the motorshaft turnsfreely,
then screwintoposition.
28.Re-install the propellerswiththe right
hand rotation prop on the right motorand
the left hand rotation one on the left motor.
29.Useaflat washer, lock washerand anut
toholdeachprop.