Hangar 9 Alpha.60 ARF Assembly Manual Download Page 8

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Section 3: Fuel Tank Assembly

Required Parts

• Clunk (fuel pickup)

• Metal caps (2)

• Fuel pickup tubing

• Fuel tank

• Rubber stopper

• 3mm x 20mm screw

• Metal tubes (short and long)

Required Tools and Adhesives

• Phillips screwdriver (small) • Hobby knife

The stopper provided with your model has

three holes that are not bored completely

through the stopper. The holes are for the

fuel pickup, fill, and vent lines. For these

instructions only, two holes will be used:

one for the fuel pickup and one for the fuel

vent. Only open the third hole if you are

going to use a separate fill line.

Step 1

Locate the fuel tank parts.

Step 2

Locate the rubber stopper. Insert the short metal

tube into one of the holes in the stopper so that an

equal amount of tube extends from each side of the

stopper. This tube will be the fuel tank pickup that

provides fuel to the engine.

Step 3

Slide the smaller cap over the tube on the smaller

end of the rubber stopper. This end will be inserted

into the fuel tank. The larger cap is placed on the

side of the rubber stopper that makes the cap.

Loosely install the 3mm x 20mm screw through

the center of the stopper.

Summary of Contents for Alpha.60 ARF

Page 1: ...ons Wingspan 71 5 in 1816mm Length 54 in 1371mm Wing Area 965 2 sq in 66 27 sq dm ASSEMBLY MANUAL Alpha 60 ARF WE GET PEOPLE FLYING TM Weight 7 0 8 0 lb 3 2 kg 3 6 kg Engine 61 2 stroke Radio 4 channel w 4 servos ...

Page 2: ... Section 5 Radio Installation 11 Section 6 Tail Installation 15 Section 7 Tail Installation Glue Attachment Option 17 Section 8 Landing Gear Installation 21 Section 9 Engine Installation 24 Section 10 Control Linkage Installation 26 Section 11 Wing Installation Rubber Band Option 35 Section 11 Wing Installation Bolt On Option 36 Section 12 Control Throws 37 Section 13 Center of Gravity 39 Section ...

Page 3: ...ls HAN306 Radio Equipment 4 channel radio system minimum 4 standard servos JRPS537 recommended or equivalent 6 Servo Extension JRPA095 Recommended JR Systems Quattro XF421EX XF631 XP662 X 378 XP6102 Recommended Engine 61 2 stroke Items Not Shown Engine Mount HAM90M Pushrod Set HAN2607 Fuel Tank assembled HAN2606 Note Wheels are shown installed JR XF631 Evolution 61NT EVOE0610 C JR XF421EX A B D G ...

Page 4: ... Paper towels Rubbing alcohol Wax paper An RC aircraft is not a toy If misused it can cause serious bodily harm and damage to property Fly only in open areas preferably at AMA Academy of Model Aeronautics approved flying sites following all instructions included with your radio and engine Propeller EVOE0610P recommended Fuel 10 15 nitro content Glow Plug Wrench HAN2510 Glow Plug Igniter with Charg...

Page 5: ...date of purchase This warranty does not cover any parts damage by use or modification In no case shall Horizon Hobby s liability exceed the original cost of the purchased kit Further Horizon Hobby reserves the right to change or modify this warranty without notice In that Horizon Hobby has no control over the final assembly or material used for the final assembly no liability shall be assumed nor ...

Page 6: ...ep 1 Locate the wing joiner tube Slide the tube into one of the wing panels Step 2 Slide the remaining wing panel onto the tube tightly against the first panel Step 3 Apply the clear tape to the joint starting at the front of the servo tray Wrap the tape around the leading edge then onto the top of the wing Continue around the trailing edge of the wing back to the servo tray Trim the excess tape u...

Page 7: ...d wait to mix the epoxy until the steps are fully understood Step 1 Locate the wing joiner tube Slide the tube into one of the wing panels Step 2 Mix 1 2 ounce of 30 minute epoxy Apply the epoxy to the exposed wood at the root rib Step 3 Slide the remaining wing panel onto the tube tightly against the first panel Use masking tape on the top and bottom of the wing to hold the panels tightly togethe...

Page 8: ...el pickup and one for the fuel vent Only open the third hole if you are going to use a separate fill line Step 1 Locate the fuel tank parts Step 2 Locate the rubber stopper Insert the short metal tube into one of the holes in the stopper so that an equal amount of tube extends from each side of the stopper This tube will be the fuel tank pickup that provides fuel to the engine Step 3 Slide the sma...

Page 9: ...tube in the stopper Step 6 Carefully insert the stopper assembly into the fuel tank Note the position of the vent tube it must point towards the top of the fuel tank to function properly The stopper is located towards the top of the tank Check to make sure the clunk can move freely inside the tank You must be able to turn the tank to any attitude and the clunk will fall to the lowest point all dir...

Page 10: ...fuel tank opening Step 8 Install the vent and pickup tubes Use the red tube on the vent and the green tube on the pickup This will be helpful later when installing the lines to the engine Required Parts Fuselage Fuel tank assembly Required Tools and Adhesives None Step 1 Slide the fuel tank into the fuselage Make sure the stopper faces the top of the fuselage Step 2 Guide the fuel lines through th...

Page 11: ...tery pack Switch harness 6 servo extension Phillips screwdriver small Drill bit 5 64 Drill Step 1 Install the rubber grommets and eyelets supplied with your servos Use the instructions provided with the radio system for this procedure Step 2 Test fit a servo into one of the openings in the fuselage Use a small sander to make the opening bigger if the servo does not fit Check and fit all three serv...

Page 12: ...io instructions to make sure the servos are plugged into the correct channels Use the photo in Step 3 that labels the elevator rudder and throttle servos Step 6 Cut pieces of the remaining foam to fit at the front and rear of the radio area Place the receiver and receiver battery onto the foam as shown Position the servo wires so they are neat and not cluttering the area around the receiver and re...

Page 13: ...flat radio foam piece over the receiver battery and receiver DO NOT cut the antenna wire as this will significantly reduce the range and operation of your radio system To make the installation of the receiver antenna easier use a small piece of music wire Slide the wire into the antenna tube from the back of the fuselage Attach the receiver antenna to the wire and pull it through the tube Step 9 S...

Page 14: ...hole in the tray support using the hole in the aft end of the tray as a guide Step 11 Secure the tray using a 6 x 5 8 sheet metal screw Step 13 Remove the switch plate from the radio switch Attach the switch to the fuselage side using the switch hardware ...

Page 15: ... fin bolts into the holes in the stabilizer Make sure the trim is facing towards the fin Push the fin tight against the stabilizer Step 2 Apply a small drop of threadlock onto each of the fin bolts Step 3 Slide a 3mm washer onto the fin bolts Thread the wing nuts onto the bolts Tighten the nuts against the stabilizer Do not crush the wood when tightening the nuts Step 4 Place the stabilizer in pos...

Page 16: ...stallation 16 Step 5 Slide a 4 washer onto a 4 40 x 3 4 screw Apply a drop of threadlock to the screw Prepare two screws using this method Step 6 Secure the stabilizer using the two screws prepared in the previous step ...

Page 17: ...zer Make sure the trim is facing towards the fin Push the fin tight against the stabilizer Step 2 Use a felt tipped pen to trace the outline of the fit onto the stabilizer Step 3 Use a hobby knife with a new blade to remove the covering inside the lines drawn in the last step Also remove the covering from the bottom of the fin where it rests against the stabilizer DO NOT cut into the underlying wo...

Page 18: ...abilizer Step 5 Re install the fin onto the stabilizer Step 6 Apply a small drop of threadlock onto each of the fin bolts Step 7 Slide a 3mm washer onto the fin bolts Thread the wing nuts onto the bolts Tighten the nuts against the stabilizer Do not crush the wood when tightening the nuts Step 8 Place the stabilizer in position on the fuselage The fin will fit into the slot in the fuselage when in...

Page 19: ...on Note Remove the covering from the rear of the stabilizer up to the bolt as shown Note Read through and understand Steps 11 through 14 before mixing any epoxy Step 11 Mix 1 2 ounce of 30 minute epoxy Apply the epoxy to the exposed wood on the bottom of the stabilizer Step 12 Place the stabilizer fin assembly back onto the fuselage Slide a 4 washer onto a 4 40 x 3 4 screw Apply a drop of threadlo...

Page 20: ...tion Glue Attachment Option 20 Step 13 Secure the stabilizer using the two screws prepared in the previous step Step 14 Remove any excess epoxy from the fuselage and stabilizer using a paper towel soaked with rubbing alcohol ...

Page 21: ... Phillips screwdriver Threadlock Step 1 Use a file to make a flat area on both main gear and nose gear This gives the screws an area for the wheel collars to tighten down onto It will also keep them from rotating and falling off the landing gear Step 2 Install the 3 32 x 173 4 wire into the outer hole in the steering arm The Z bend will be installed from the top of the arm as shown in the photo Th...

Page 22: ... faces the front of the plane Step 5 Apply a drop of threadlock on the 3mm x 8mm screw Install the screw into the hole in the front of the steering arm Tighten the screw onto the flat on the nose gear wire Step 6 Position the main landing gear on the fuselage The straight edge of the main landing gear faces towards the front of the fuselage Secure the main gear using two 4mm x 18mm screws Remember...

Page 23: ...es Step 9 Install a 3 wheel onto the main landing gear Secure the wheel using a 3mm x 5mm screw and a 5 32 wheel collar Check to make sure the wheel can spin freely on the axle Step 10 Repeat Step 9 for the remaining 3 main wheel and the 23 4 nose wheel The nose wheel will require wheel collars on both sides of the wheel as shown ...

Page 24: ...washers to attach the mount to the firewall Make sure to use threadlock on the screws to prevent them from loosening during flight Step 2 Slide the engine into position onto the mount as shown Position the engine on the mount so the drive washer is 43 4 in front of the firewall Step 3 Use a felt tipped marker to mark the locations for the engine mounting bolts Step 4 Drill four 3 16 holes at the l...

Page 25: ... secure the position of the engine Step 6 Use the hardware and instructions provided with the engine to attach the muffler Step 7 Connect the fuel lines to the engine The red line vent goes to the muffler the green line pickup to the carburetor Step 8 Use the instructions provided with your engine to install the propeller and spinner ...

Page 26: ...ctions included with your radio and charge both the transmitter and receiver batteries before starting this section Once the batteries are fully charged turn on both the transmitter and receiver Check that the trim levers are centered Move the transmitter sticks and verify the radio is working properly Step 2 Install the servo arms on the servos The radio should be on and the trim levers centered ...

Page 27: ...g a nylon wire keeper Using the nylon wire keepers is simple and they provide an excellent way to attach pushrod wires to servo arms The first step is to have a 90 degree bend in the pushrod wire For the Alpha trainer there 90 degree bends have already been made Install the bend into the servo arm In most cases a hole will need to be drilled in the servo arm that the wire can fit through Place the...

Page 28: ...p 10 With the radio on use a straight edge to make sure the elevator is in line with the stabilizer If not thread the clevis in or out on the pushrod wire until the elevator and stabilizer are in alignment There is a notch in the keeper that runs parallel to the main pushrod wire This allows you to snap the keeper onto the pushrod wire It may take small pliers to get the keeper to snap onto the wi...

Page 29: ...ire through the brass wire connector Place the servo arm back onto the rudder servo Step 14 Position the nose wheel so it is in line with the centerline of the fuselage Use a 3mm x 5mm screw to secure the steering pushrod wire Note If your plane does not track straight on the runway loosen the screw and adjust the nose wheel Changing the rudder trim will change the steering trim but will trim the ...

Page 30: ...sing three 2mm x 18mm screws Step 17 Place a clevis retainer onto a clevis Thread the clevis 12 turns onto the rudder pushrod wire Step 18 Drill the outer hole in the rudder servo arm using a 5 64 drill bit Step 19 Secure the rudder pushrod wire to the servo arm using a nylon wire keeper Step 20 Attach the clevis to the center hole on the rudder control horn ...

Page 31: ...til the rudder and fin are in alignment Step 22 Install the screw in the servo arm to secure it to the servo Step 23 Locate the prebent 153 4 throttle pushrod wire Place a clevis retainer onto a clevis Thread the clevis 12 turns onto the throttle pushrod wire Slide the pushrod wire into the fuselage Step 24 Drill both holes next to the fuselage in the throttle servo arm using a 5 64 drill bit ...

Page 32: ...sier job if you happen to own one Step 25 Attach a brass connector to the throttle servo arm Slide the pushrod wire through the connector Step 26 Turn on both the transmitter and receiver Move the throttle stick to the fully open position Attach the clevis to the carburetor control arm At this time it really doesn t matter which hole Position the pushrod so the carburetor is at the wide open posit...

Page 33: ...r on the servo arm will accomplish this If the carburetor is not closing you need to increase the amount of travel mechanically Moving the clevis toward the center on the carburetor arm or the linkage away from the center on the servo arm will accomplish this This is all done to allow for a full range of operation of the carburetor using the radio If you must move the linkage return to Step 26 and...

Page 34: ...face of the wing Step 31 Drill the outer hole in the aileron servo arm using a 5 64 drill bit Step 32 Secure the aileron pushrod wire to the servo arm using a nylon wire keeper Step 33 Attach the clevis to the aileron control horn Step 34 With the radio on check to make sure the aileron is in line with the center area of the wing If not thread the clevis in or out on the pushrod wire until the ail...

Page 35: ...p into fuselage securing the wing dowel Hint Apply a thin layer of CA to the exposed dowel to prevent fuel from soaking into the dowel Step 3 Repeat Steps 1 and 2 for the rear wing dowel Allow the CA to fully cure before continuing Step 4 Plug the aileron servo into the aileron extension Attach the wing to the fuselage using 14 rubber bands The first set of rubber bands should cross as shown Alter...

Page 36: ...s Wing Fuselage 1 4 20 x 2 wing bolt 2 Wing dowel 2 Required Tools and Adhesives 6 minute epoxy Hobby knife Step 1 Use a hobby knife to remove the covering to expose the wing dowel holes in the leading edge of the wing Step 2 Use 6 minute epoxy to glue the dowels into the leading edge of the wing Step 3 Use a hobby knife to remove the covering from the trailing edge of the wing using a sharp hobby...

Page 37: ... move the right direction when using the transmitter Use the following photos to make sure things are working correctly Section 12 Control Throws Step 3 Position the wing onto the fuselage Bolt the wing into position using the two 1 4 20 x 2 wing bolts Photo for Step 1 Photo for Step 1 ...

Page 38: ...or Step 1 The amount of control throw should be adjusted as closely as possible using mechanical means rather than making large changes electronically at the radio By moving the position of the clevis at the control horn toward the outermost hole you will decrease the amount of control throw of the control surface Moving the clevis toward the control surface will increase the amount of throw Movin...

Page 39: ... back 41 4 from the leading edge of the wing and use a felt tipped pen at the location This will be the balance point Step 2 Attach the wing as described in Section 11 Turn the model upright and lift the model at the marks made in the previous step It should balance with the fuselage level or with the nose down slightly when balanced correctly If the plane hangs with the tail down some weight must...

Page 40: ...d any plane be considered ready for flight Note If this is your first RC model it is highly recommended you seek the assistance of a qualified RC flight instructor Do not attempt to fly the model alone Charge both the transmitter and receiver pack for your airplane Use the recommended charger supplied with your particular radio system following the instructions provided with the radio In most case...

Page 41: ...e airplane stability while in flight Leading Edge The front of a flying surface Main Landing Gear The wheel and gear assembly the airplane uses to land It is attached to the bottom of the fuselage Nose Gear The part of the landing gear that is attached to the nose of the fuselage The nose gear is usually connected to the rudder servo to help you steer the airplane on the ground Pitch Axis The hori...

Page 42: ... be established in front of which all flying takes place with the other side for spectators Only personnel involved with flying the aircraft are allowed at or in the front of the flight line Intentional flying behind the flight line is prohibited 4 I will operate my model using only radio control frequencies currently allowed by the Federal Communications Commission Only properly licensed Amateurs...

Page 43: ...rules after launch except for pilots or helpers being used no 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 ...

Page 44: ... 6140 2004 Horizon Hobby Inc 4105 Fieldstone Road Champaign Illinois 61822 877 504 0233 www horizonhobby com WE GET PEOPLE FLYING TM ...

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