Hangar 9 P-51D 1.50 ARF Assembly Manual Download Page 40

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

Step 1

Completely.read.the.instructions.included.with.your.

engine.and.follow.the.recommended.break-in.procedure.



Step 2

At.the.field,.adjust.the.engine.to.a.slightly.rich.setting.at.

full.throttle.and.adjust.the.idle.and.low-speed.needle.so.

that.a.consistent.idle.is.achieved.



Step 3

Before.you.fly,.be.sure.that.your.engine.idles.reliably,.

transitions.and.runs.at.all.throttle.settings..Only..

when.this.is.achieved.should.any.plane.be.considered.

ready.for.flight.

The.following.control.throws.offer.a.good.place.to.start.

with.your.first.flights..We.recommend.only.one.rate..

setting.for.the.P-51D..As.you.become.more.familiar..

with.the.handling.of.your.model,.you.may.wish.to.add..

a.second.rate.setting.
Once.the.control.throws.for.the.ailerons.and.flaps.have.

been.set,.tighten.the.4-40.nuts.against.the.clevises.to.

prevent.them.from.loosening.during.flight..It.is.also..

highly.suggested.to.use.threadlocking.compound.

Recommended Control Throws

Low.rate.

High.rate

Aileron.

1/2".(14°).up.

3/4".(18°).up

1/2".(14°).down.

3/4".(18°).down

Elevator.

5/8".(12°).up.

3/4".(15°).up

5/8".(12°).down.

3/4".(15°).down

Rudder.

".(20°).left.

".(30°).left

".(20°).right.

".(30°).right

Flaps.

".(15°).down.

".(38°).down

An.important.part.of.preparing.the.aircraft.for.flight.is.

properly.balancing.the.model..This.is.especially.important.

when.various.engines.are.mounted.

Caution: Do not inadvertently skip this step!

The.recommended.Center.of.Gravity.(C.G.).location.for..

the.P-51D.1.50.is.6

".behind.the.leading.edge.of..

the.wing.measured.at.the.fuselage.sides..If.necessary,.

move.the.battery.pack.or.add.weight.to.either.the.nose.

or.the.tail.until.the.correct.balance.is.achieved..Stick-on.

weights.are.available.at.your.local.hobby.shop.and.work.

well.for.this.purpose.

Adjusting the Engine

Recommended CG

Control Throws

Summary of Contents for P-51D 1.50 ARF

Page 1: ...ngspan 80 in 2032mm Wing Area 1100 sq in 70 97 sq dm Length 68 in 1727mm Assembly manual P 51D 1 50 ARF Weight 13 14 lb 5 89kg 6 34kg Engine 1 20 2 00 4 stroke Radio 6 channel w 10 servos Specifications 5 ...

Page 2: ...on 1 Aileron and Flap Installation 8 Section 2 Aileron and Flap Servo Installation 11 Section 3 Retract Installation 16 Section 4 Wing Assembly 19 Section 5 Hinging the Elevators 24 Section 6 Rudder Installation 26 Section 7 Stabilizer Installation 27 Section 8 Engine Installation 28 Section 9 Tail Wheel Installation 30 Section 10 Linkage Installation 32 Section 11 Radio Installation 34 Section 12...

Page 3: ...ervo in your transmitter Recommended JR or JR SPORT Systems XP9303 XP7202 XP6102 XS600 Recommended Power Systems 1 50 2 18 2 cycle engines 1 20 2 20 4 cycle engines Recommended Saito 1 80 2 20 26 35cc gas engines Recommended Evolution 26GT2 35GT2 A B D C JR XP6102 JR XP9303 JR XP7202 Replacement Parts A HAN4051 Wing Set B HAN4052 Fuselage C HAN4053 Stabilizer Set w Elevator D HAN4054 Rudder E HAN4...

Page 4: ...gle Straight edge Canopy scissors Side cutters Adjustable wrench Hex wrench Other Required Items Mixing sticks for epoxy Epoxy brushes Rubbing alcohol Sanding bar Sandpaper medium Paper towels Wax paper Felt tipped pen or pencil Measuring device e g ruler tape measure T pins String Radio packing foam Petroleum jelly Adhesives Thin CA cyanoacrylate glue Thick CA cyanoacrylate glue CA remover debond...

Page 5: ... of or to any part of the Product This warranty does not cover damage due to improper installation operation maintenance or attempted repair by anyone other than Horizon Return of any goods by Purchaser must be approved in writing by Horizon before shipment Damage Limits HORIZON SHALL NOT BE LIABLE FOR SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES LOSS OF PROFITS OR PRODUCTION OR COMMERCIAL LOSS IN AN...

Page 6: ...ranty Inspection and Repairs To receive warranty service you must include your original sales receipt verifying the proof of purchase date Provided warranty conditions have been met your Product will be repaired or replaced free of charge Repair or replacement decisions are at the sole discretion of Horizon Hobby Non Warranty Repairs Should your repair not be covered by warranty the repair will be...

Page 7: ...void water exposure to all equipment not specifically designed and protected for this purpose Before Starting Assembly Before beginning the assembly of the P 51 D 150 remove each part from its bag for inspection Closely inspect the fuselage wing panels rudder and stabilizer for damage If you find any damaged or missing parts contact the place of purchase If you find any wrinkles in the covering us...

Page 8: ...hinge as shown Slide each of the three hinges into the aileron so the T pin is resting against the leading edge of the aileron The slot in the hinge aligns with the hole drilled in Step 1 Step 3 Slide the aileron onto the wing until there is only a slight gap between the aileron and wing panel Remove the T pins and snug the aileron against the wing panel Slide the aileron towards the wing tip unti...

Page 9: ...ly thin CA to the other side of the hinges Step 5 Use CA remover debonder and a paper towel to remove any excess CA accumulated on the wing or aileron surface Allow time for the CA to completely cure before moving to the next step Step 6 Firmly grasp the wing and aileron and gently pull on the aileron to ensure the hinges are secure and cannot be pulled apart Use caution when gripping the wing and...

Page 10: ... the flap aligns with both the aileron and wing trailing edge If it does not move the hinges in or out until the flap is in alignment Step 11 Use 30 minute epoxy to install the hinges Apply epoxy to both the holes in the flap and wing using a toothpick Apply a light coat of epoxy to the hinge Slide the flap into position and move it up and down to make sure the hinges are aligned Use tape around t...

Page 11: ...on servo and one standard rotation servo or a reversing Y harness It is highly recommended to use a computer radio or a JR MatchBox to link the two flap servos to operate properly Step 1 Install the recommended servo hardware grommets and eyelets supplied with the servo Install a long half servo arm JRPA212 onto the servo Connect a 24 Servo Lead Extension JRPA212 to the servo lead Secure the conne...

Page 12: ...r the arm later It may be necessary to slightly trim one of the servo mounting blocks to clear the servo lead Step 5 Remove the servo and use a 1 16 drill bit to pre drill the holes for the servo mounting screws marked in the previous step Use the screws supplied with the servo to mount it to the servo mounting blocks Remove the portion of the arm not extending out of the hatch if you have not don...

Page 13: ...ack into the wing panel Step 8 Place the hatch in position on the wing Measure in 1 8 on all four sides of the hatch as the intersection of these lines will be on the hard points located underneath the hatch Drill four 1 16 holes at the intersections of the lines and into the hard points Remove the hatch and enlarge the holes using a 7 64 drill bit Step 9 Secure the hatch using four 2 x 1 2 screws...

Page 14: ...ot and aligning the holes of the control horn with the hinge line of the aileron Use a felt tipped pen to mark the locations for the horn screws Note There is a hardwood plate inside the control surface that the control horn will be mounted to Step 13 Drill three 1 16 holes at the locations marked in the previous step The holes only need to be 7 16 deep don t drill through the top of the aileron H...

Page 15: ...he screw pulling out of the wood Repeat this for each of the three holes Step 15 Attach the control horn using three 2 x 1 2 screws Step 16 Repeat Steps 1 through 15 for the remaining aileron servo Step 17 Repeat Steps 1 though 15 for the flap servo substituting a 6 servo extension and a 4 40 x 11 2 threaded rod for the flap linkage Section 2 Aileron and Flap Servo Installation ...

Page 16: ...d to use low profile hi torque retract servos such as the JRPS791 All adjustments to the retracts are made before the final installation Step 1 Position the retract mechanism over the wing to determine on which side to mount the retract servo Use a 4 40 tap to make the appropriate holes in the mounting plate if necessary Step 2 Attach a 6 servo extension to the retract servo and secure the extansi...

Page 17: ... to attach the ball link to the servo arm Hardware not included use genuine Hangar 9 hardware and servo arms for the installation of your retract servo Step 6 Check that the retract fully locks at both up and down positions without stalling the servo Adjust the length of the linkage and the position of the linkage at the servo until both up and down locked positions are achieved Section 3 Retract ...

Page 18: ...or to the retract strut and wing panel Mark the location for the three mounting holes from the retract strut onto the gear door Drill three 1 8 holes for mounting the gear door to the retract strut Attach the gear door to the retract using two 4 40 x 1 2 socket head screws near the wheel and one 4 40 x 3 8 socket head screw near the retract mechanism Step 10 Repeat Steps 1 through 9 for the remain...

Page 19: ... a line 5 8 from one end of the dowel Step 2 Glue the dowel into the wing using 5 minute epoxy Apply epoxy to both the holes in the wing and dowels Slide the dowel in up to the line drawn in the previous step Clean up any excess epoxy using a paper towel and rubbing alcohol Allow the epoxy to fully cure before proceeding Step 3 Locate a plywood wing bolt plate Slide one of the 1 4 20 x 2 nylon bol...

Page 20: ...ion Remove any excess epoxy using paper towels and rubbing alcohol Caution Use scrap plywood under the clamps to prevent damage to the balsa wing structure Step 6 Slide the wing bolt into position Use a felt tipped pen to trace around the heads of the wing bolts Step 7 Remove the wing bolts from the wing Locate the plywood tube locators and use medium CA to glue the locators in position Use the li...

Page 21: ... joining the wing panels It will also be helpful to use wax paper under the wing joint to avoid gluing the wing to your work surface Step 10 With one wing panel flat onthe work surface check that the dihedral angle is correct by measuring the tip that os off the sork surface The distance between the tip and surface will measure 613 16 173mm Lightly sand the joiner and sing root if necessary to adj...

Page 22: ...f both panels Step 14 Carefully slide the wing panels together Apply enough pressure to firmly seat the two wing panels together causing any excess epoxy to ooze out from between the panels There should be no visible gaps between the panels Use masking tape to securely hold the wing panels together Use rubbing alcohol and a paper towel to remove the excess epoxy Allow the epoxy to fully cure befor...

Page 23: ...nce the wing is removed slide the plastic guide tubes through the scoop and over the heads of the wing bolts Note The ends of the tubes will lock into the plywood tube locators when fully installed Step 19 Remove the wing bolts by sliding them out through the tubes Remove the tubes and roughen them using medium sandpaper Step 20 Apply a thin bead of 6 minute epoxy around one end of the tubes Slide...

Page 24: ...Position the elevator so the tip aligns with the tip of the stabilizer Note Do not use CA accelerator during the hinging process The CA must be allowed to soak into the hinge to provide the best bond Using accelerator will not provide enough time for this process Step 3 Deflect the elevator and apply thin CA to the hinge Apply enough CA to completely saturate both the top and bottom of the hinge U...

Page 25: ... are secure and cannot be pulled apart Use caution when gripping them to avoid crushing the structure Step 6 Work the elevator up and down several times to work in the hinges and check for proper movement Step 7 Repeat Steps 1 through 6 for the remaining elevator half Section 6 Hinging the Elevators ...

Page 26: ...the hinges into the rudder Step 2 Slide the rudder onto the fin Align the top of the rudder with the top of the fin Remove the T pins and use thin CA to glue the hinges into position Apply CA to both sides of the hinges Note Do not use CA accelerator during the hinging process The CA must be allowed to soak into the hinge to provide the best bond Using accelerator will not provide enough time for ...

Page 27: ...t Install a 4 40 x 1 2 bolt to secure the tube in the stabilizer Warning Use caution when drilling through the stabilizer tube Only drill through one wall of the tube Step 3 Slide the assembly into the fuselage Slide the remaining stab half onto the tubes and drill and tap the location for the 4 40 retaining bolt Install the bolt to complete the procedure Hint When removing the stabilizer for stor...

Page 28: ...0 you may need to remove the blind nuts and drill new holes in the firewall for your particular engine Step 1 Position the engine mount on the 27 8 x 3 4 x 3 8 plywood spacer Mark the locations for the engine mount onto the plywood Drill the locations using an 11 64 drill bit Step 2 Locate the engine mount and the associated hardware Attach the mount to the firewall using the spacers four 8 32 x 1...

Page 29: ...connector backplate Slide the pushrod through the connector and into the tube Important Be sure to differentiate between the vent and fuel pickup tube Once the tank is mounted inside the fuselage it will be difficult to tell the tubes apart Step 6 Position the tank inside the fuselage Use 1 2 foam to isolate the tank from the fuselage Step 7 Route the fuel lines through the firewall Install the mu...

Page 30: ...ives Threadlocking compound Hobby knife Step 1 Slide a clevis retainer onto a clevis Thread the clevis onto the 31 pushrod wire Step 2 Trim the steering arm so only one hole remains Step 3 Thread the 3mm x 8mm screw into the steering arm Attach the clevis to the steering arm as well Step 4 Slide the pushrod wire into the pushrod tube inside the fuselage Be patient as it can be a little tricky Sect...

Page 31: ...o make sure there is travel both directions when the pushrod is used to operate the tail wheel Change the position of the steering arm on the wire if necessary to achieve decent travel in both directions Step 6 Attach the tail gear cover using four 2mm x 6mm wood screws Step 7 Install the tail wheel and secure it using the 5 32 wheel collar and 3mm setscrew Section 9 Tail Wheel Installation ...

Page 32: ... mounting holes in the control horn Attach the elevator clevis to the control horn Position the control horn on the elevator so the control rod is straight and the holes in the control horn aligns with the hinge line of the elevator Mark the position for the mounting holes using a felt tipped pen Step 3 Drill three 1 16 holes at the locations marked in the previous step The holes only need to be 7...

Page 33: ...elt tipped pen Step 6 Drill three 7 64 holes through the rudder at the locations marked in the previous step Test fit the 2 56 x 15 8 threaded rods through the contol horn and control horn backplate The holes may need some adjustment to get things to align properly Place 2 3 drops of thin CA into the hole to harden the wood This will eliminate the potential of the threaded rods from crushing the u...

Page 34: ...to the balsa sheeting inside the fuselage to give the screws something to bite into Note Using two standard rotation servos and a standard Y harness for the elevators will result in them moving in opposite directions instead of the same direction As such the elevator servo installation will either require the use of one reversed rotation servo and one standard rotation servo or a reversing Y harne...

Page 35: ... arm Step 6 Bend the wire 90 degrees at the mark made in the previous step Cut the wire 1 2 above the bend Step 7 Slide the wire through the outer hole in the elevator servo arm Secure the wire using a nylon wire keeper Note The servo arm will need to be drilled out using a 7 64 drill bit to accept the control rod Step 8 Repeat Steps 5 through 7 for the remaining elevator servo Step 9 Attach a bra...

Page 36: ... the throttle servo arm in the neutral position as shown passing the throttle pushrod wire through the connector Step 12 Move the throttle stick and trim to low Check to make sure the carburetor will move to the low position when operating the servo Install two 3mm x 6mm screws to secure the easy connector to the throttle pushrod Check the movement of the throttle to verify there is no binding at ...

Page 37: ...as been provided for use in cutting out the spinner for either the flying propeller or the static versions of propellers Step 3 Locate the template in the back of the manual to prepare the spinner cone for your particular propeller Both the slots for the flying propeller and holes for the scale propeller have been included on the template Tape the template onto the bottom of the spinner and mark t...

Page 38: ...he aircraft with this propeller as it is for display only Note Check to make sure the spinner does not rub against the front of the fuselage If so loosen the engine mounting bolts slide the engine forward until the spinner can turn freely then re tighten the engine mounting bolts Step 6 Cut out the instrument panel decal and apply Step 7 Install the cockpit accessories including a pilot if you so ...

Page 39: ...e water Allow the decal to dry overnight Note There may be some clouding under the decal but this will go away as the decal dries Step 10 Locate the positions for the pylon mounting screws on the bottom of the wing This is done by gently pressing on the covering with your index finger Remove the covering using a sharp hobby knife Step 11 Slide the two 1 4 20 nylon bolts through the bomb and though...

Page 40: ... 4 40 nuts against the clevises to prevent them from loosening during flight It is also highly suggested to use threadlocking compound Recommended Control Throws Low rate High rate Aileron 1 2 14 up 3 4 18 up 1 2 14 down 3 4 18 down Elevator 5 8 12 up 3 4 15 up 5 8 12 down 3 4 15 down Rudder 17 8 20 left 21 2 30 left 17 8 20 right 21 2 30 right Flaps 11 8 15 down 21 2 38 down An important part of ...

Page 41: ... Especially keep your hands away from the propeller Step 3 Double check that all controls aileron elevator rudder and throttle move in the correct direction Step 4 Check the radio installation and make sure all the control surfaces are moving correctly i e the correct direction and with the recommended throws Test run the engine and make sure it transitions smoothly from idle to full throttle and ...

Page 42: ...explosive gases such as hydrogen filled balloons or ground mounted devices launching a projectile The only exceptions permitted are rockets flown in accordance with the National Model Rocketry Safety Code or those permanently attached as per JATO use also those items authorized for Air Show Team use as defined by AST Advisory Committee document available from AMA HQ In any case models using rocket...

Page 43: ...o powered model may be flown closer than 25 feet to any person 9 Under no circumstances may a pilot or other person touch a powered model in flight Organized RC Racing Event 10 An RC racing event whether or not an AMA Rule Book event is one in which model aircraft compete in flight over a prescribed course with the objective of finishing the course faster to determine the winner A In every organiz...

Page 44: ...44 Building Notes ...

Page 45: ...45 Page left blank intentionally ...

Page 46: ...Scale Propeller Template Flying Propeller Template Drill using 0 678 drill bit four places Scale Propeller Template Flying Propeller Template Remove ONLY the shaded portion of the template Spinner Template ...

Page 47: ...47 Flying Notes ...

Page 48: ... 2006 Horizon Hobby Inc 4105 Fieldstone Road Champaign Illinois 61822 877 504 0233 www horizonhobby com 8260 1 5 ...

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Hangar 9 P-51D 1.50 ARF, Assembly Manual

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