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Hangar 9 Christen Eagle II 90 ARF

UNITED kINGDOM

Horizon Hobby Limited

Units 1-4 Ployters Rd

Staple Tye

Harlow, Essex

CM18 7NS

United Kingdom

[email protected]

+44 (0) 1279 641 097

GERMANy

Horizon Technischer Service

Hamburger Str. 10

25335 Elmshorn

Germany

[email protected]

+49 4121 46199 66

FRANCE

Horizon Hobby SAS

14 Rue Gustave Eiffel

Zone d’Activité du Réveil Matin

91230 Montgeron

+33 (0) 1 60 47 44 70

Compliance Information for the 

European Union

  

INSTRUCTIONS FOR DISPOSAL OF WEEE By 
USERS IN ThE EUROPEAN UNION

This product must not be disposed of with other waste. 

Instead, it is the user’s responsibility to dispose of their 

waste equipment by handing it over to a designated 

collection point for the recycling of waste electrical and 

electronic equipment. The separate collection and recycling 

of your waste equipment at the time of disposal will help to 

conserve natural resources and ensure that it is recycled in 

a manner that protects human health and the environment. 

For more information about where you can drop off your 

waste equipment for recycling, please contact your local city 

office, your household waste disposal service or where you 

purchased the product.

Academy of Model Aeronautics 

National Model Aircraft Safety Code

Effective January 1, 2011

A. GENERAL

A model aircraft is a non-human-carrying aircraft capable 

of sustained flight in the atmosphere. It may not exceed 

limitations of this code and is intended exclusively for 

sport, recreation and/or competition. All model flights must 

be conducted in accordance with this safety code and any 

additional rules specific to the flying site.

1. Model aircraft will not be flown:

(a) In a careless or reckless manner.
(b) At a location where model aircraft activities are prohibited.

2. Model aircraft pilots will:

(a) Yield the right of way to all man carrying aircraft.
b) See and avoid all aircraft and a spotter must be used when 

appropriate. (AMA Document #540-D-See and Avoid Guidance.)
(c) Not fly higher than approximately 400 feet above ground 

level within three (3) miles of an airport, without notifying the 

airport operator.
(d) Not interfere with operations and traffic patterns at any 

airport, heliport or seaplane base except where there is a mixed 

use agreement.
(e) Not exceed a takeoff weight, including fuel, of 55 pounds 

unless in compliance with the AMA Large Model Aircraft 

program. (AMA Document 520-A)
(f) Ensure the aircraft is identified with the name and address or 

AMA number of the owner on the inside or affixed to the outside 

of the model aircraft. (This does not apply to model aircraft 

flown indoors).
(g) Not operate aircraft with metal-blade propellers or with 

gaseous boosts except for helicopters operated under the 

provisions of AMA Document #555.
(h) Not operate model aircraft while under the influence of 

alcohol or while using any drug which could adversely affect the 

pilot’s ability to safely control the model.
(i) Not operate model aircraft carrying pyrotechnic devices which 

explode or burn, or any device which propels a projectile or 

drops any object that creates a hazard to persons or property.

Exceptions:

•  Free Flight fuses or devices that burn producing smoke and are 

securely attached to the model aircraft during flight.

•  Rocket motors (using solid propellant) up to a G-series size may 

be used provided they remain attached to the model during flight. 

Model rockets may be flown in accordance with the National 

Model Rocketry Safety Code but may not be launched from model 

aircraft.

•  Officially designated AMA Air Show Teams (AST) are authorized 

to use devices and practices as defined within the Team AMA 

Program Document (AMA Document #718).

(j) Not operate a turbine-powered aircraft, unless in compliance 

with the AMA turbine regulations. (AMA Document #510-A).

3.  Model aircraft will not be flown in AMA sanctioned events, air 

shows or model demonstrations unless:

(a) The aircraft, control system and pilot skills have successfully 

demonstrated all maneuvers intended or anticipated prior to the 

specific event.
(b) An inexperienced pilot is assisted by an experienced pilot.

4.  When and where required by rule, helmets must be properly 

worn and fastened. They must be OSHA, DOT, ANSI, SNELL or 

NOCSAE approved or comply with comparable standards.

B. RADIO CONTROL (RC)

1.  All pilots shall avoid flying directly over unprotected people, 

vessels, vehicles or structures and shall avoid endangerment of 

life and property of others.

2.  A successful radio equipment ground-range check in accordance 

with manufacturer’s recommendations will be completed before 

the first flight of a new or repaired model aircraft.

3.  At all flying sites a safety line(s) must be established in front of 

which all flying takes place (AMA Document #706-Recommended 

Field Layout):

(a) Only personnel associated with flying the model aircraft are 

allowed at or in front of the safety line.
(b) At air shows or demonstrations, a straight safety line must 

be established.
(c) An area away from the safety line must be maintained for 

spectators.
(d) Intentional flying behind the safety line is prohibited.

4.  RC model aircraft must use the radio-control frequencies 

currently allowed by the Federal Communications Commission 

(FCC). Only individuals properly licensed by the FCC are 

authorized to operate equipment on Amateur Band frequencies.

5.  RC model aircraft will not operate within three (3) miles of 

any pre-existing flying site without a frequency-management 

agreement (AMA Documents #922- Testing for RF Interference; 

#923- Frequency Management Agreement)

Summary of Contents for Christen Eagle II 90 ARF

Page 1: ...Christen Eagle II 90 ARF Assembly Manual ...

Page 2: ... Support office This information is located in the back of this manual Specifications Wingspan 54 0 in 137cm Fuselage Length 50 8 in 129cm Wing Area total 878 sq in 56 7 sq dm Wing Area top 446 sq in Wing Area bottom 432 sq in Weight Range 8 50 lb 10 0 lb 3 85 4 50 kg Engine Motor Size 75 91 2 stroke 1 15 1 25 4 stroke E Flite Power 90 75A ESC 4S Li Po 2 Radio 4 channel with 5 servos 4 servos for ...

Page 3: ...P BAG 1 Wood battery tray 1 300mm triangle stock 1 Wood motor standoff box 4 M4 blind nuts Motor box to firewall attachment 2 M3 x 15 socket head machine screws 2 M3 steel washers 4 M4 x 25 socket head machine screws Motor box to firewall attachment 4 M4 steel washers Motor box to firewall attachment PUSHROD BAG 2 M3 x 270 double threaded rod with nuts Aileron interconnecting rods 1 12mm x 370mm a...

Page 4: ...Batteries Notes on Lithium Polymer Batteries When used improperly lithium polymer batteries are significantly more volatile than alkaline or Ni Cd Ni MH batteries used in RC applications Always follow the manufacturer s instructions when using and disposing of any batteries Mishandling of Li Po batteries can result in fire causing serious injury and damage Small Parts This kit includes small parts...

Page 5: ...870 Deep Blue HANU873 Orange HANU877 Black HANU874 Smoke Purple HANU868 Deep Red HANU871 Flame Red HANU883 Dark Yellow HANU889 Bright Yellow HANU872 Recommended Power Setups 4 Stroke Glow Saito 125 with Muffler SAIE125A or SAIE125AK Muffler Right Angle Manifold SAI125A163 Evolution 16 x 6 propeller EVO16060 Optional Hangar 9 23 4 inch aluminum spinner HAN99003 8 x 1 25mm Prop Adapter Kit HAN99052 ...

Page 6: ...e nose pliers Nut driver 4mm 7mm Open end wrench 10mm 12mm 1 2 inch Paper towels Pencil Phillips screwdriver 1 2 Pin vise Propeller reamer Rotary tool Ruler Sanding drum Scissors Side cutters Spray bottle Square Straight edge Tie wraps Toothpicks T pins Two sided tape Before Starting Assembly Before beginning the assembly of your model remove each part from its bag for inspection Closely inspect t...

Page 7: ...elage Use threadlock on the screws to prevent them from vibrating loose 3 Use medium CA to glue the landing gear cover in place on the bottom of the fuselage 4 Use hobby scissors to trim the landing gear intersection fairings Open the narrow end to allow the fairing to fit over the landing gear Trim as necessary so the fairing fits the contour of the fuselage Use silicone adhesive to glue the fair...

Page 8: ...ecure the wheel to the axle using the wheel collars remove earlier Tighten the setscrews using a 1 5mm hex wrench Make sure to use threadlock on the setscrews to prevent them from vibrating loose 10 Place the 5 16 inch metal washer then the 5 16 inch plywood washer on the threaded portion of the axle Fit the assembly into the wheel pant You may need to flex the wheel pant open slightly to fit the ...

Page 9: ... excess epoxy Use low tack tape to keep the joiner wire in position until the epoxy fully cures Use a straight edge along the hinge line to keep the elevators aligned while the epoxy cures 3 Remove the tape from the elevators Use a drill and 1 16 inch 1 5mm drill bit to drill a hole in the center of each hinge slot in the elevators and stabilizer This provides a tunnel for the CA to wick into when...

Page 10: ...elage Slide the remaining wing panel into position tightly against the fuselage The bottom wing is only installed so it can be used as a reference when installing the stabilizer Incorrectly aligning the stabilizer to the wing will produce an aircraft requiring additional trim to fly correctly and be detrimental to its flight characteristics Make sure to align the stabilizer as described 10 Slide t...

Page 11: ...paper towel and isopropyl alcohol to remove any excess epoxy before it cures Recheck the alignment of the stabilizer while the epoxy is curing to make sure it doesn t change position in the fuselage Allow the epoxy to cure before resuming building your model 16 Remove the wings from the fuselage Use a small amount of medium CA to glue the black covered balsa block in position at the rear of the fu...

Page 12: ...uselage for the bottom hinge on the rudder Tail Wheel and Control Horn Installation Required Parts Fuselage assembly Control horn backplate 2 Control horn 2 M2 x 12 machine screw 6 Tail wheel assembly Steering bracket N2 nut M2 x 15 machine screw M3 x 12 self tapping screws 2 1 Locate the items for this section of the manual 2 Use a 1 Phillips screwdriver to attach the rudder and elevator control ...

Page 13: ...er Make sure to use threadlock on the nut to prevent it from vibrating loose Slide the wheel collar against the tail wheel bracket and use a 1 5mm hex wrench to tighten the setscrew securing the position of the wheel collar Radio Installation Required Parts Fuselage assembly Receiver Receiver battery Switch harness Servo with hardware 3 3 inch 76mm servo extension 2 1 Remove the canopy from the fu...

Page 14: ...o the servos using the screws provided with the servos and a 1 Phillips screwdriver 5 With the radio system on and the elevator servo centered attach the clevis to the outer hole of the elevator control horn Adjust the clevis so the elevator is aligned with the stabilizer Once the clevis is set slide the silicone retainer over the forks of the clevis to keep the clevis from opening accidentally Ap...

Page 15: ...3 nut 4 Servo with hardware 2 3 inch 76mm servo extension 2 Bottom wing right and left 3mm metal clevis with silicone tubing 4 3mm x 70mm threaded rod 2 M2 x 12 self tapping screw 6 1 Locate the items for this section of the manual 2 Hinge the aileron following the procedure found in the section Tail Installation Fit the aileron to the wing Before gluing the hinges make sure the ends of the ailero...

Page 16: ...rfere with the operation of the servo The clevis for the aileron pushrod will attach to the hole on a 4 way servo horn that is 19 32 inch 15mm from the center of the horn 8 Tie the string located in the wing around the end of the aileron servo extension Use the string to pull the extension and servo lead through the wing Secure the aileron servo and cover to the wing using the M2 x 12 self tapping...

Page 17: ...ing loose Slide the silicone retainers over the forks of the clevises so they don t open accidentally in flight Cabane Strut Installation Required Parts Fuselage assembly Cabane strut right and left M3 nut 2 M3 washer 4 Upper wing center rib M3 x 10 socket head screw 6 1 Locate the items for this section of the manual 2 Use a hobby knife with a 11 blade to remove the covering on the top of the fus...

Page 18: ...engine template Triangle stock 300mm Motor battery 2 Speed control with connectors Tie wraps not included 9 inch 228mm servo extension Hook and loop tape not included Power 90 motor with hardware M4 x 25 socket head screw 4 M3 x 15 socket head screw 2 1 Locate the items for this section of the manual 2 Place the two hook and loop straps on the wood tray 3 Place the wood tray in the fuselage guidin...

Page 19: ...r to the wood box using the hardware included with the motor Make sure to use threadlock on all metal to metal fasteners to prevent them from vibrating loose 9 Solder any necessary connectors on the speed control Mount the speed control following the suggestions included with the speed control Connect the speed control to the motor Use a 9 inch 228mm servo extension to connect the lead from the sp...

Page 20: ...re up 2 inches 51mm and over 13 16 inches 30mm Use a drill and 5 32 inch 4mm drill bit to drill the hole for the throttle pushrod 5 Attach the right and left engine mounts to the firewall using four M4 x 30 machine screws four M4 washers and four M4 blind nuts Note the position of the mounts as shown in the photo with the rails toward the left side of the fuselage Use a 2 Phillips screwdriver to t...

Page 21: ... 9 Attach the engine to the engine mount using four M4 x 30 machine screws four M4 lock nuts and eight M4 washers Place the washers between the head of the bolts and engine mounting lugs and between the mount rails and nuts Use a 2 Phillips screwdriver and 7mm nut driver to tighten the hardware Fuel Tank Installation Required Parts Fuselage assembly Fuel tank Stopper assembly Clunk Fuel tubing 550...

Page 22: ...s screwdriver to tighten the screw to secure the stopper Do not over tighten the stopper and distort or split the neck of the tank Add fuel tubing to reach bottom 5 Cut three 41 2 inch 114mm pieces of fuel tubing Attach the fuel tubing to the tubes on the tank 6 Prepare the plywood fuel tank former by drilling a hole that is 7 8 inch 22mm from the side and 17 16 inch 32mm from the bottom using a p...

Page 23: ...d standoff 1 5mm x 750mm rod with nylon housing Pushrod connector with setscrew and m2 nuts 1 Locate the items for this section of the manual 2 Use medium sandpaper to sand three sections that are 1 4 inch 6mm wide on the pushrod tube The first is the end of the pushrod The next two are 51 2 inches 140mm and 91 4 inches 324mm from the end as shown This will allow the CA to adhere to the pushrod wh...

Page 24: ...dio to move the servo to the fully open position Move the linkage to open the carburetor Use a 2mm hex wrench to tighten the setscrew securing the pushrod wire Check the operation of the carburetor using the radio system to make sure the throttle moves freely from open to closed Use the ATV setting in the radio if necessary to make small adjustment 8 Use medium CA to glue the pushrod standoff to t...

Page 25: ...bit to drill the holes in the cowl mounting blocks for the cowl mounting screws 6 Use a 1 Phillips screwdriver to thread an M3 x 8 self tapping screw in each hole Remove the screw then apply 2 3 drops of thin CA in each hole to harden the surrounding wood The following steps are only necessary if your are installing a glow engine in your aircraft If you have elected to install the EP option skip t...

Page 26: ... the cowling for glow plug access or use a remote adapter so it can be accessed remotely The adapter is shown here eliminating the need for a hole in the cowling for the glow plug The additional weight of the adapter may require tail weight to achieve the desired center of gravity 12 Use card stock to locate any items that may need to be accessed from the outside of the cowl 13 Slide the cowl on t...

Page 27: ...pin 8 3mm x 270mm threaded rod Metal clevis with silicone tubing 4 M3 x 10 socket head machine screw 3 Wing transport frame with rubber bands 2 Bottom wing panel right and left Top wing panel right and left 1 Locate the items for this section of the manual 2 Insert two 2 6mm x 16mm aluminum pins in the bottom of the interplane strut Use a very small amount of medium CA to secure the pins Make sure...

Page 28: ...nterplane strut into position then secure it using an M3 x 45mm machine screw and 1 Phillips screwdriver 9 Install the remaining top wing panel Use an M3 x 45 machine screw and 1 Phillips screwdriver to secure the interplane strut The right and left upper wing panels are connected using an M3 x 12 socket head machine screw and M3 washer Tighten the screw using a 2 5mm hex wrench 10 Thread a clevis...

Page 29: ...wings 14 Repeat Steps 12 and 13 to remove the remaining wing panels from the fuselage To reattach the wings simply perform Steps 12 through 14 in reverse order Center of Gravity Required Parts Top wing assembly Bottom wing assembly Fuselage assembly An important part of preparing the aircraft for flight is properly balancing the model CAUTION Do not inadvertently skip this step 1 Attach the wings ...

Page 30: ... the right the rudder should also move right Reverse the direction of the servo at the transmitter if necessary 2 Check the movement of the elevator with the radio system Moving the elevator stick toward the bottom of the transmitter will make the airplane elevator move up 3 Check the movement of the ailerons with the radio system Moving the aileron stick to the right will make the right aileron m...

Page 31: ... battery voltage of the transmitter battery Do not fly below the manufacturer s recommended voltage To do so can crash your aircraft When you check these batteries ensure you have the polarities correct on your expanded scale voltmeter 2 Check all hardware linkages screws nuts and bolts prior to each day s flight Ensure that binding does not occur and that all parts are properly secured 3 Ensure a...

Page 32: ...ides tracking and insurance for lost or damaged parcels as Horizon is not responsible for merchandise until it arrives and is accepted at our facility An Online Service Request is available at http www horizonhobby com under the Support tab If you do not have internet access please contact Horizon Product Support to obtain a RMA number along with instructions for submitting your product for servic...

Page 33: ...or with gaseous boosts except for helicopters operated under the provisions of AMA Document 555 h Not operate model aircraft while under the influence of alcohol or while using any drug which could adversely affect the pilot s ability to safely control the model i Not operate model aircraft carrying pyrotechnic devices which explode or burn or any device which propels a projectile or drops any obj...

Page 34: ...ly in accordance with the procedures outlined in AMA Document 550 C FREE FLIGHT 1 Must be at least 100 feet downwind of spectators and automobile parking when the model aircraft is launched 2 Launch area must be clear of all individuals except mechanics officials and other fliers 3 An effective device will be used to extinguish any fuse on the model aircraft after the fuse has completed its functi...

Page 35: ...35 Hangar 9 Christen Eagle II 90 ARF Building and Flying Notes ...

Page 36: ...ademarks or registered trademarks of Horizon Hobby Inc The Spektrum trademark is used with permission of Bachmann Industries Inc Saito is a trademark of Saito Seisakusho Co Ltd Japan Aviat Aviat Aircraft and Eagle II are trademarks or registered trademarks of Aviat Aircraft Inc All other trademarks service marks and logos are the property of their respective owners ...

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