AeroWorks .90-1.20 YAK 54 ARF-QB Assembly Manual Download Page 51 | Manualshive

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18. Securely tighten the muffler mounting bolts as

shown.

Note:

It is recommended not to permanently

tighten the muffler bolts at this time. It will be

necessary to remove the muffler during the

cowl

installation.

Note:

We recommend using a Bisson Pitts style

muffler (part # 4120) for a easier and cleaner

installation. Available through Aeroworks or

direct from Bisson custom mufflers at

www.bissonmufflers.com

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Summary of Contents for .90-1.20 YAK 54 ARF-QB

Page 1: ...1 90 1 20 YAK 54 ARF QB Quick Build ASSEMBLY MANUAL AEROWORKS 401 Laredo St Unit D Aurora CO 80011 www aero works net...

Page 2: ...for Good Seal Sealing Hinge Gaps 10 Wing Assembly 11 Stab and Elevator Assembly 16 Rudder Rudder Servo and Tail wheel Assembly 20 Main Landing Gear and Wheel Pant Assembly 32 Engine Muffler and Thrott...

Page 3: ...s reserves the right to change or modify this warranty without notice In that Aeroworks has no control over the final assembly or materials used for final assembly No li ability shall be assumed nor a...

Page 4: ...TANT Please read through this assembly manual carefully before starting the as sembly of your new 90 1 20 YAK 54 ARF QB Inventory and inspect all parts and hard ware for any imperfections or damage Pl...

Page 5: ...lock washers for the mounting of the canopy base 1 3 5 o d x 750mm Antenna guide tube installed 2 3 5 o d x 70mm rudder pull pull exit tubes installed Left Wing with Aileron covered hinges installed...

Page 6: ...ers for stab mounting 4 1 8mm cotter pins Second method wing mounting for security 6 2 4 40 x 3 Two end threaded pushrod with nuts and clevises for ailerons 2 4 40 x 5 1 2 Two end threaded pushrod wit...

Page 7: ...7 13 1 Custom Vinyl Decal Set 14 1 Assembly manual on CD with picture folders...

Page 8: ...r PCM recommended 1 Receiver battery min 6 0 volt 1700ma 1 switch with charge jack 22 Gauge min 2 Fuel T 1 Fuel filter Tools Allen wrenches US and Metric Dremel cutting disc and sanding drum tool Elec...

Page 9: ...t and work slowly IMPORTANT Go over any and all seams and color overlaps with your iron to assure good adhesion of the covering to the wood This is especially im portant at the leading edges of the wi...

Page 10: ...o fit the hinge gaps Use covering iron to seal the clear covering snugly into the bottom of the hinge lines as shown for air tight hinge seals Note The clear covering does have a transparent protectiv...

Page 11: ...vo one 6 servo exten sion and servo mounting screws as shown be low to begin the servo installation Note Recommended Servo Requirements min 140 in oz Digital Metal Geared WING ASSEMBLY 2 Attach the se...

Page 12: ...r of the servo extension 6 Draw the servo extension through the wing and pull through the wing root rib as shown 7 Install the servo in servo well with the output shaft toward the leading edge of the...

Page 13: ...ach screw prior to installing to lock screws in place Note CA glues have a fast drying time Remember to work quickly 11 Secure using four wood screws as shown Aileron Control Linkage Installation 1 Ga...

Page 14: ...a 1 or 1 1 4 servo arm for best results 4 Correct installation of ball link and brass spacer to servo arm shown below 5 Install the servo arm toward the wing root as shown Improperly installed servo...

Page 15: ...aileron is in the neutral position as shown Note The control horn has been positioned at a slight offset to provide the best performance and control at full deflection 7 Attach the RC link to the cen...

Page 16: ...desired Gather the stab and elevator control horn and four mounting screws STAB AND ELEVATOR ASSEMBLY 2 Align the control horn over the factory drilled holes Note Ensure arm of control horn faces towa...

Page 17: ...for best results Note Recommended Servo Requirements min 140 in oz Digital Metal Geared 2 Plug the elevator servo leads into the extension as shown 3 Secure the servo connectors with safety wire stri...

Page 18: ...with servo mounting screws 4 Lay out the elevator servo output shaft to rear and extension on the fuse to check for proper length 7 Gather the elevator control linkage parts as shown below There is o...

Page 19: ...ushrod to the elevator control horn and the servo arm as shown Adjust the linkage so the servo arm is perpendicular to the servo when the elevator is in the neutral position as shown Repeat previous s...

Page 20: ...es no epoxy gets into the hinge during assembly 3 Mix epoxy in mixing cup and use a tapered stick to apply the epoxy inside the pre drilled holes in the trailing edge of the fin Apply epoxy to one sid...

Page 21: ...the fin Wipe away excess epoxy with alcohol wetted wipes 7 Ensure there is minimal to no gap between fin and rudder Allow epoxy to fully cure Note Ensure you have full rudder deflection before epoxy...

Page 22: ...udder servo with servo screws Rudder Pull Pull Cable Installation 1 Gather the rudder control linkage parts shown below 2 Rudder cables 4 brass swaging tubes 2 control horns one left one right 4 mount...

Page 23: ...thick CA on each screw prior to installing to lock screws in place Note CA glues have a fast drying time Remember to work quickly 4 Secure control horn using four wood screws as shown Repeat the abov...

Page 24: ...ther side 7 Pull the rudder cables from the fuse tail to the rudder servo tray Note Cables run straight Do not cross cables 8 Insert rudder cable through the brass swage tube then through the threaded...

Page 25: ...ping tool or pliers 11 Cut off excess cable as shown 12 A drop of thin CA may be applied to the swage tube to help secure the cable 13 Attach the RC links to the rudder servo arm and attach the rudder...

Page 26: ...vertical fin in the neutral position as shown This ensures the rudder is straight when the cables are attached 16 Slide brass swage onto rudder cable 17 Attach the RC link with threaded coupler to th...

Page 27: ...he cable back through the brass swage tube as shown 19 Pull the loop through the coupler until it is approximately 1 2 long 20 Crimp the brass tube with a crimping tool or pliers 21 Cut off excess cab...

Page 28: ...plers and RC links Make all adjustments with the rudder servo still powered up and centered Note Using a rubber band or light spring around the cables close to the couplers will help elimi nate any ca...

Page 29: ...ttom of the rudder 3 Apply a drop of thick CA to the mounting screws before inserting into the tiller mounting holes 4 Mount the tail wheel steering tiller using two wood screws 5 Place the tail wheel...

Page 30: ...ting in the pre drilled mounting holes 7 Mount the tail wheel strut using three wood screws 8 Attach the steering spring to one side of the rudder tiller Center the spring between the rudder and tail...

Page 31: ...pliers to twist spring ends closed around the tail wheel tiller 11 Cut off excess spring wire as shown 12 Repeat for opposite side tail wheel spring Adjust length and spring tension so that tail whee...

Page 32: ...MAIN LANDING GEAR AND WHEEL PANT ASSEMBLY 2 Gather the landing gear strut 4 8 32 bolts 4 lock washers and 4 flat washers 3 Remove the landing gear cover by removing the two bolts on the bottom of the...

Page 33: ...four bolts and washers Ensure tapered edge of the gear strut is facing toward the rear 7 Reinstall the landing gear cover Use a drop of blue Loctite on the landing gear cover bolts before attaching th...

Page 34: ...lock nut 3 Align the flat sides of the axle bolt vertical and snug the lock nut against the landing gear strut 4 Install one wheel collar against the axle bolt as shown Securely tighten wheel collar t...

Page 35: ...s shown 8 Install the wheel pant slot over the axle bolt as shown below If needed Rotate the axle bolt to align the wheel pant mounting holes with the holes in the landing gear strut Install the wheel...

Page 36: ...36 11 Final gear assembly with wheel pants in stalled...

Page 37: ...ke engine shown starting on page 44 ENGINE MUFFLER AND THROTTLE LINKAGE INSTALLATION 2 Engines are side mounted Install the engine mounts as shown below The large webbing on the engine mounts goes tow...

Page 38: ...r is 5 11 16 as shown below 6 Mark the center of each engine mounting hole with a center marking tool or beveled pencil or pen Ensure the mark is in the center of the en gine mounting hole Note We rec...

Page 39: ...ottle servo mounting hardware as shown below 1 2mm x 300mm One end threaded pushrod 1 3 5mm x 400mm plastic guide tube 1 nylon clevis 1 plastic quick link 2 plywood support braces 1 servo mounting tra...

Page 40: ...the firewall and connect RC Link to engine throttle arm as shown 6 Install the throttle servo into the pre assembled servo mount Mark the position of the servo mounting holes Use a 1 16 drill to drill...

Page 41: ...h no binding 9 Mark the location of the servo mount onto the inside of the motor box side as shown 10 Apply 5 minute epoxy to the side of the servo mount that will be in contact with the motor box sid...

Page 42: ...and push forward through the hole in the firewall as shown 13 Extend the nylon tube forward of the firewall approximately 1 2 as shown 14 Mark the nylon tube over the front of the throt tle servo moun...

Page 43: ...bend the throttle pushrod wire 90 up over the trottle servo output arm hole as shown 16 Reinstall the nylon tube over the throttle push rod Slide the plywood throttle pushrod sup port bracket over the...

Page 44: ...tions for an OS 1 20 AX two stroke installation are provided below Gather the engine to be used muffler and engine mounts with hardware as shown below Note We recommend using a Bisson Pitts style muff...

Page 45: ...he engine mounts as shown Adjust the engine mounts evenly so the mounting bolts are centered in slots of engine mounts then final tighten the engine mounting bolts into the firewall Note The required...

Page 46: ...with your model 9 Install the engine onto the engine mounts Use flat washers between the bolt head and engine and the engine mount and nuts Tighten firmly Two Stroke Throttle Servo Installation 1 Gat...

Page 47: ...ke sure when fuel tank is installed it will not interfere with the throttle pushrod 3 Use a drill to drill the pushrod exit hole into the firewall 4 Install the RC link onto the pushrod with stop nut...

Page 48: ...to the pushrod exit hole as shown Ensure the throttle pushrod will line up with the engine carburetor throttle arm with no binding 8 Install the throttle servo into the servo tray in front of the wing...

Page 49: ...nylon tube over the front of the throt tle servo mount as shown 11 Remove the nylon tube and cut at the mark as shown 12 Reinstall the nylon tube over the throttle push rod Use needle nose pliers to...

Page 50: ...d into the servo arm Glue the bracket in place using CA glue 15 Install the nylon pushrod keeper onto the push rod as shown 16 Two stroke throttle pushrod installed with clearance for the muffler mani...

Page 51: ...ighten the muffler bolts at this time It will be necessary to remove the muffler during the cowl installation Note We recommend using a Bisson Pitts style muffler part 4120 for a easier and cleaner in...

Page 52: ...clunk Bend the vent line tube up as shown 3 Insert the rubber stopper into the tank with the vent tube at the top of the tank Secure the stopper with set screw Take care not to strip threads by over...

Page 53: ...tube as shown Then insert a fuel T into each fuel tube as shown 3 Secure the fuel tubing with nylon ties to the pick up tube and vent tube as shown 4 Insert the Velcro one wrap strap under the fuel ta...

Page 54: ...e the fuel vent tube is at the top of the tank Secure the tank with the Velcro one wrap as shown 7 Locate the plywood fuel tank rear retainer as shown below 8 Install the plywood fuel tank rear retain...

Page 55: ...e off the fuel flow to the carburetor and only allow fuel to enter the fuel tank 11 Connect the fuel vent line to the engine muf fler pressure fitting as shown Connect a length of fuel tubing to the v...

Page 56: ...oles in template are not centered front to back There is a wider and thinner section Wider section goes toward rear of cowling 3 Use a rotary cutting tool file and sandpaper to cut out and smooth the...

Page 57: ...ate paper as shown below Draw a cut out hole pattern that provides approximately 1 4 clearance all around the muffler pipes onto the template paper 2 Cut a strip of template paper to lay over the muff...

Page 58: ...the glow plug location 7 Remove the muffler and the glow plug if needed from the engine 8 Install the cowl and secure with all four cowl mounting screws as shown Note Take care not to move or loosen...

Page 59: ...side of the cowl Ensure the hole is large enough to insert the glow plug igniter through Note Make any necessary holes for the engine carburetor adjustment needles where necessary 11 Cut a relief hole...

Page 60: ...or the engine cylinder head and valve covers 14 Tape a strip of template paper to the side of the fuse and over the engine cylinder head as shown 15 Trace and cut out a relief hole for the engine cyli...

Page 61: ...choice of battery used is left up to the builder RADIO INSTALLATION 2 We chose to mount the radio switch on the right side Mark the location for the radio switch using the switch mounting plate for a...

Page 62: ...regulator if used to the fuse floor using the manufacturers instructions and hard ware as shown 7 Install a nylon tie wrap into the fuse floor as shown for securing the receiver batteries 8 Use a piec...

Page 63: ...using the nylon tie wrap 10 Cut off excess nylon tie wrap as shown 11 Apply baby powder or corn starch to receiver antenna wire to assist getting it into the an tenna guide tube 12 Insert the receiver...

Page 64: ...nt the antenna wire from vibrating back out 15 Use a piece of supplied foam rubber to form a receiver mounting pad and place the receiver on the foam Secure the receiver to the fuse floor using a nylo...

Page 65: ...hair pins Note Always check wing attachment bolts are securely tightened We recommend using hair pins through the aluminum anti rotation dowels for a second method of security 4 Slide the wing tube i...

Page 66: ...sides Connect ele vator pushrods to elevator control horns 7 Gather the 4 4 40 hatch mounting bolts and 4 6 small rubber backed washers Note It is highly recommended you apply thin CA glue to the fro...

Page 67: ...sors hobby knife plastic squeegee or credit card Application fluid like Rapid Tac Also a solution of 1 drop of dish detergent to a cup of water sprayed on the model will assist in proper positioning N...

Page 68: ...y clear transfer tape over top of decal 5 Cut transfer tape to accommodate decal size Note Transfer tape will be reused DO NOT throw away any transfer tape until decal installation is complete Decals...

Page 69: ...ress transfer tape to top of decal 9 Peel backing from decal 10 Spray model surface with application fluid or soapy water solution 11 Spray back side of decal with application fluid or soapy water sol...

Page 70: ...Spread decal smooth and remove all excess application fluid Let decal set until dry enough to be able to remove transfer tape with out removing decal Do not leave until completely dry or transfer tape...

Page 71: ...flying style in small steps especially when shifting the CG toward the tail Move the battery or add small stick on weights to the nose or tail as necessary Note If additional nose weight is necessary...

Page 72: ...easured in inches from the rudder boost tab 4 Use a flight control deflection meter to measure the throws in degrees It is recommended you level the model as shown 5 Aileron throw measured in degrees...

Page 73: ...3D flying use the following throws 3D Rate Aileron 2 1 2 or 35 up 2 1 2 or 35 down Rudder 2 left 2 right Full rudder deflection is typically recommended for all out 3D Elevator 3 1 2 or 45 up 3 1 2 or...

Page 74: ...bolts servo screws control horn bolts wheel collars and clevis keepers are tight and secure Use Loctite were necessary Covering Check all seems and overlaps are secure and have not lifted If any air g...

Page 75: ...re is a list of some of the more popular aerobatic and 3D maneuvers you can try Loops and rolls Knife edge flight Stall turns Snap rolls 2 4 and 8 point rolls Slow rolls Spins upright and inverted Fla...

Page 76: ...__________________________________________________________________________ ___________________________________________________________________________ _________________________________________________...

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