AeroWorks .90-1.20 YAK 54 ARF-QB Assembly Manual
  1. Manuals
  2. Brands
  3. AeroWorks Manuals
  4. Toy
  5. .90-1.20 YAK 54 ARF-QB
  6. Assembly manual

AeroWorks .90-1.20 YAK 54 ARF-QB Assembly Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

.90-1.20 YAK 54 ARF-QB
(Quick Build)
ASSEMBLY MANUAL
AEROWORKS
401 Laredo St. Unit "D" - Aurora, CO. 80011
www.aero-works.net
1

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the .90-1.20 YAK 54 ARF-QB and is the answer not in the manual?

Questions and answers

Related Manuals for AeroWorks .90-1.20 YAK 54 ARF-QB

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

  • Page 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: Table Of Contents

    TABLE OF CONTENTS Page Aeroworks Contact Information / Shipping Damage………………………………………… 3 Introduction / Warranty…………………………………………………………………………. 4 Kit Contents……………………………………………………………………………………… 5 Items Needed To Complete ……………………………………………………………………... 8 Tightening and Re-shrinking The Covering ………………………………………………….. 9 Checking Seams and Color Overlaps for Good Seal / Sealing Hinge Gaps ………..……….. 10 Wing Assembly………………………………………………………………….………………..
  • Page 3 Aeroworks 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 accepted for any damage resulting from the use by the user of the final user-assembled product.

  • Page 4: Intended Use

    WARRANTY READ! It is important to notify Aeroworks of any damage or problems with the model within 30 days of receiving your airplane to be covered under warranty. If you wish to return this air- craft for any reason a 15% restock fee will be charged to the customer. In addition the cus- tomer is responsible for all return shipping cost and all prior shipping cost will not be re- funded.

  • Page 5: Kit Contents

    KIT CONTENTS (1) 3.5(o.d.) x 750mm Antenna guide tube installed .90-1.20 YAK 54 ARF-QB (2) 3.5(o.d.) x 70mm rudder pull-pull exit tubes installed Basic Aircraft Parts: Fuselage - vertical fin installed - pre drilled for the Left Wing with Aileron – covered - hinges installed and hinges–...
  • Page 6 Rudder with (5) pin point hinges (not glued) – covered (2) 4-40 x 3” Two end threaded pushrod with nuts and Rudder Pre-drilled for the mounting of the clevises for ailerons hinges, control horns and tail wheel steering arm. (2) 4-40 x 5 1/2” Two end threaded pushrod with nuts and clevises for elevators (1) 2mm x 300mm One end threaded pushrod with lock SUB ASSEMBLIES:...
  • Page 7 #13: (1) Custom - Vinyl Decal Set (1) Assembly manual on CD - with picture folders...

  • Page 8: Items Needed To Complete

    ITEMS NEEDED TO COMPLETE Hardware: • Allen wrenches US and Metric. • Dremel cutting disc and sanding drum tool • Electric drill and selection of bits • Flat head screwdriver • Hobby heat gun • Hobby iron with protective sock •...

  • Page 9: Tightening And Re-Shrinking The Covering

    TIGHTENING AND RE-SHRINKING THE COVERING Open your kit slowly and take care not to dam- 3. If bubbles persist, use a small pin to punch holes age any parts of the kit. Remove all parts from in the bubble to relieve trapped air and reheat. their plastic protective covers for inspection.
  • Page 10 It is the responsibility of the purchaser / operator to check the covering seams and overlaps for security and a good seal. Aeroworks is not responsible for failure of covering seams or overlaps during flight. Note: If covering continues to lift apply a small amount of thin CA underneath the covering.

  • Page 11: Wing Assembly

    WING ASSEMBLY Aileron Servo Installation Secure the extension to the servo lead with 1. The ailerons have been pre-hinged and glued to safety wire, string, tape, or other method. En- the wing panels and are ready for flight. No sure the connectors will not come apart from other steps are necessary for hinging.
  • Page 12 Remove the balsa stick with the pull string Install the servo in servo well with the output from the servo well. Fasten the pull string shaft toward the leading edge of the wing. from the servo hole to the male connector of Mark locations of servo mounting holes.
  • Page 13 9. Align the control horn over the factory drilled Secure using four wood screws as shown. holes. Note: Ensure arm of control horn faces towards root end of aileron. (Refer to picture). 10. Use thick CA on each screw prior to installing Aileron Control Linkage Installation to lock screws in place 1.
  • Page 14 Correct installation of ball link and brass spacer Assemble the pushrod assembly as shown. to servo arm shown below. Improperly installed servo linkages can cause servos to strip and ailerons to flutter. Aileron flutter can and will destroy your model instantly! 3.
  • Page 15 6. Adjust the linkage so the servo arm is perpen- dicular to the servo when the 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.

  • Page 16: Stab And Elevator Assembly

    STAB AND ELEVATOR ASSEMBLY Use thick CA on each screw prior to Elevator Control Horn Installation installing to lock screws in place The elevators have been pre-hinged and glued to the stabs and are ready for flight. No other Note: CA glues have a fast drying time. steps are necessary for hinging.

  • Page 17: Elevator Servo Installation

    Elevator control horn installed on bottom of Plug the elevator servo leads into the extension elevator. as shown. Elevator Servo Installation 1. Gather elevator servo , mounting screws, servo arm and 18” extension as shown. Secure the servo connectors with safety wire, string, tape, or other method.
  • Page 18 Lay out the elevator servo (output shaft to Install servo (output shaft to rear) with servo rear) and extension on the fuse to check for mounting screws. proper length. Mark locations of servo mounting holes. Use Gather the elevator control linkage parts as a 1/16 bit to drill servo mounting holes.
  • Page 19 Assemble the pushrod assembly as shown. Correct installation of ball link and brass spacer to servo arm shown below. Improperly installed servo linkages can cause servos to strip and elevators to flutter. Elevator flutter can and will destroy your model instantly! 11.

  • Page 20: Rudder, Rudder Servo And Tail Wheel Assembly

    RUDDER , RUDDER SERVO AND TAILWHEEL ASSEMBLY Mix epoxy in mixing cup and use a tapered Rudder Installation stick to apply the epoxy inside the pre-drilled holes in the trailing edge of the fin. Apply Gather the rudder, hinges, epoxy, Vaseline, epoxy to one side of each hinge and insert the stir sticks, mixing cup and alcohol as shown.

  • Page 21: Rudder Servo Installation

    Mix epoxy in mixing cup and use a tapered Ensure there is minimal to no gap between fin stick to apply the epoxy inside the pre-drilled and rudder. Allow epoxy to fully cure. holes in the leading edge of the rudder. Apply epoxy onto each hinge.
  • Page 22 Install the rudder servo into the rudder servo Install rudder servo with servo screws. mounting tray with the servo output shaft toward the tail. Mark and use a 1/16 bit to drill the rudder Rudder Pull-Pull Cable Installation servo mounting holes. Gather the rudder control linkage parts shown below.
  • Page 23 2. Align the control horn over the factory drilled Secure control horn using four wood screws as holes. shown. Repeat the above steps to install the other side rudder control horn. Note: Ensure arm of control horn faces towards bottom of rudder. (Refer to picture). Use thick CA on each screw prior to installing Gather the (2) cables, (4) brass swaging tubes, to lock screws in place...
  • Page 24 Feed the rudder cable through the pre installed Insert rudder cable through the brass swage cable exit tube in the tail of the fuse toward the tube, then through the threaded coupler hole, front. Repeat on other side. and back through the brass swage tube as shown.
  • Page 25 Tighten the second loop through the brass A drop of thin CA may be applied to the swage tube and crimp the brass tube with a swage tube to help secure the cable. crimping tool or pliers. Cut off excess cable as shown. Attach the RC links to the rudder servo arm and attach the rudder servo arm to the rudder servo as shown.
  • Page 26 Plug the rudder servo into the rudder channel Slide brass swage onto rudder cable of the receiver and power up. Turn on trans- mitter to center rudder servo. Remember too center trims and sub trims Tape the rudder balance tab to the top leading Attach the RC link with threaded coupler to edge of the vertical fin in the neutral position the rudder control horn.
  • Page 27 Loop the cable back through the brass swage Crimp the brass tube with a crimping tool or tube as shown. pliers. 19. Pull the loop through the coupler until it is Cut off excess cable as shown. approximately 1/2” long.
  • Page 28 A drop of thin CA may be applied to the Rudder cables attached to the rudder control swage tube to help secure the cable. horn and adjusted. Repeat previous steps for opposite side rudder cable. Remove tape from rudder and adjust rudder Tail Wheel Installation pull-pull cables to desired tension by screwing in or out on the threaded couplers and RC...
  • Page 29 Place tail wheel steering tiller over the pre- Mount the tail wheel steering tiller using two drilled holes in the bottom of the rudder. wood screws. Apply a drop of thick CA to the mounting Place the tail wheel strut over the pre-drilled screws before inserting into the tiller mounting mounting holes on the bottom rear of the fuse.
  • Page 30 Place a drop of thick CA on tail wheel strut Attach the steering spring to one side of the mounting screws before inserting in the pre- rudder tiller. Center the spring between the drilled mounting holes rudder and tail wheel tiller. Mount the tail wheel strut using three wood Use pliers to twist spring ends closed around screws.
  • Page 31 Slightly stretch the spring and insert through Tail wheel final assembly is complete. the tail wheel tiller. Use pliers to twist spring ends closed around the tail wheel tiller. Cut off excess spring wire as shown. Repeat for opposite side tail wheel spring. Adjust length and spring tension so that tail wheel is centered when rudder is centered.

  • Page 32: Main Landing Gear And Wheel Pant Assembly

    MAIN LANDING GEAR AND WHEEL PANT ASSEMBLY Remove the landing gear cover by removing Main Landing Gear Installation the two bolts on the bottom of the cover. Lift out the landing gear cover after removing the Gather the landing gear parts as shown below. two mounting bolts.
  • Page 33 Assemble the landing gear bolts with lock Reinstall the landing gear cover. Use a drop washer and flat washer. Use a drop of blue of blue Loctite on the landing gear cover bolts Loctite on landing gear bolts before attaching before attaching the cover.
  • Page 34 Install the axle into the gear strut with nylon Install one wheel collar against the axle bolt as lock nut. shown. Securely tighten wheel collar to axle. Align the flat sides of the axle bolt vertical and Wheel collar installed against the axle bolt. snug the lock nut against the landing gear strut.
  • Page 35 Install wheel and then the other wheel collar Install the wheel pant slot over the axle bolt as on the outside of the wheel as shown. Use a shown below. If needed, Rotate the axle bolt drop of blue Loctite on the wheel collar screw to align the wheel pant mounting holes with before final installation.
  • Page 36 Final gear assembly with wheel pants in- stalled.

  • Page 37: Engine, Muffler And Throttle Linkage Installation

    ENGINE, MUFFLER AND THROTTLE LINKAGE INSTALLATION Use a drop of blue Loctite on the engine Four Stroke Engine Installation mounting bolts before installing. The .90-1.20 YAK 54 will accept a wide range of engine types. Illustrations for a Saito 1.25 four stroke are provided below.
  • Page 38 5. Adjust the width of the engine mounts to fit the Use a drill bit to drill the engine mounting width of the engine used. Use a small C-clamp holes in the engine mounts as shown. Ensure and clamp the engine to the engine mounts as the drilled holes are perpendicular to the en- shown.
  • Page 39 Install the engine onto the engine mounts. Use Mark the location of the throttle pushrod exit flat washers between the bolt head and engine hole on the firewall. Ensure the pushrod will and the engine mount and lock nuts. Tighten not bind on the firewall, engine mount, or en- firmly.
  • Page 40 Install the RC link onto the pushrod with stop Install the throttle servo into the pre-assembled nut as shown. servo mount. Mark the position of the servo mounting holes. Use a 1/16” drill to drill the servo mounting holes. Insert the throttle pushrod through the firewall Install the throttle servo into the servo mount and connect RC Link to engine throttle arm as using servo mounting screws.
  • Page 41 Dry fit the servo mount inside the motor box Apply 5 minute epoxy to the side of the servo just forward of the wing tube. Ensure the mount that will be in contact with the motor throttle pushrod will line up with the servo box side.
  • Page 42 Slide the nylon outer tube over the throttle Mark the nylon tube over the front of the throt- pushrod wire and push forward through the tle servo mount as shown. hole in the firewall as shown. Extend the nylon tube forward of the firewall Remove the nylon tube and cut at the mark as approximately 1/2”...
  • Page 43 Use needle nose pliers to bend the throttle Reinstall the nylon tube over the throttle push- pushrod wire 90º up over the trottle servo rod. Slide the plywood throttle pushrod sup- output arm hole as shown. port bracket over the nylon tube. Mark the length of the bracket inside the motor box as shown.
  • Page 44 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 Final installation of four stroke throttle push- rod inside the fuse.
  • Page 45 Use a drop of blue Loctite on the engine 5. Adjust the width of the engine mounts to fit the mounting bolts before installing. width of the engine used. Use a small C-clamp and clamp the engine to the engine mounts as shown.
  • Page 46 Use a drill bit to drill the engine mounting Install the engine onto the engine mounts. Use holes in the engine mounts as shown. Ensure flat washers between the bolt head and engine the drilled holes are perpendicular to the en- and the engine mount and nuts.
  • Page 47 2. Mark the location of the throttle pushrod exit Install the RC link onto the pushrod with stop hole on the firewall. Ensure the pushrod will nut as shown. not bind on the firewall, engine mount, or engine when installed. Note: Pay close attention to the location of the fuel tank and make sure when fuel tank is installed it will not interfere with the throttle...
  • Page 48 Remove the throttle pushrod and complete the Install the throttle servo into the servo tray in “Z” bend as shown. Make the bend approxi- front of the wing tube as shown. Mark the mately 1/2” wide to clear the muffler manifold position of the servo mounting holes.
  • Page 49 Slide the nylon outer tube over the throttle Reinstall the nylon tube over the throttle push- pushrod wire and forward through the hole in rod. Use needle nose pliers to bend the throttle the firewall as shown. Extend the nylon tube pushrod wire 90º...
  • Page 50 Slide the plywood throttle pushrod support Two stroke throttle pushrod installed with bracket over the nylon tube. Mark the length clearance for the muffler manifold. of the bracket inside the motor box. Remove the bracket and cut to length. Reinstall the bracket on the nylon tube and install the throt- tle pushrod into the servo arm.
  • Page 51 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...

  • Page 52: Fuel Tank Assembly And Installation

    FUEL TANK ASSEMBLY AND INSTALLATION Insert the rubber stopper into the tank with the Fuel Tank Assembly vent tube at the top of the tank. Secure the stopper with set screw. Take care not to strip Gather the fuel tank parts as shown below. threads by over tightening set screw Fuel Tank Installation Assemble the fuel tank as shown below.
  • Page 53 Install a short length of fuel tubing to the vent Insert the Velcro one wrap strap under the fuel tube and the fuel pick-up tube as shown. Then tank floor as shown. insert a fuel “T” into each fuel tube as shown. Install the foam rubber pad onto the fuel tank Secure the fuel tubing with nylon ties to the floor as shown.
  • Page 54 Install the fuel tank into the fuse as shown. Install the plywood fuel tank rear retainer into Pass the fuel line and vent line with the “T’s” the pre-cut slots in the fuse motor box sides as through the pre-cut hole in the firewall. En- shown.
  • Page 55 10. Connect the fuel pick-up line to the engine car- 12. Secure the re-fueling and vent line tubes to the buretor fuel fitting. (A fuel filter is recom- inside of the fuse muffler cutout using plastic mended). Connect a length of fuel tubing to the clamps and screws as shown.

  • Page 56: Cowl Installation

    Note: Holes in template are not centered front to your engine to prevent any damage from back. There is a wider and thinner section. occurring. Aeroworks is not responsible for Wider section goes toward rear of cowling. damages incurred from improper engine...
  • Page 57 Muffler, Glow Plug, and Cylinder Mark the location of the muffler pipes on the template paper as shown below. Draw a cut Head Cowl Cutouts out hole pattern that provides approximately 1/4” clearance all around the muffler pipes 1. Gather the provided card stock template paper onto the template paper.
  • Page 58 Remove the muffler and the glow plug (if Cut a strip of template paper to lay over the needed) from the engine. glow plug and tape to side of fuse as shown below. Mark the location of the glow plug on the tem- 8.
  • Page 59 Cut a relief hole into the muffler pipe template 9. Use a felt tip pen to trace the location of the to allow the template to lay flush on the bottom glow plug access hole onto the side of the cowl of the cowl as shown.
  • Page 60 Trace and cut out a relief hole for the engine Typical muffler pipe cutout in bottom of cowl. cylinder head and valve covers as shown. En- sure there is adequate clearance all around the cylinder head. Note: Take care and test painted areas prior to using any type of paint remover, rubbing alcohols or cleaners to remove any pen lines.

  • Page 61: Radio Installation

    RADIO INSTALLATION 1. Gather the radio components as shown below. Use a hobby knife to cut out the switch open- Battery regulator, switch, and receiver. ing. Note: We have selected to use Lithium Ion “Fromeco” Battery and regulator. The choice of battery used is left up to the builder.
  • Page 62 Mount switch in accordance with the switch Install a nylon tie wrap into the fuse floor as manufacturers instructions and hardware. shown for securing the receiver batteries. Install the regulator if used to the fuse floor Use a piece of supplied foam rubber to form a using the manufacturers instructions and hard- battery mounting pad and place the receiver ware as shown.
  • Page 63 Secure the receiver batteries to the fuse floor Apply baby powder or corn starch to receiver using the nylon tie wrap. antenna wire to assist getting it into the an- tenna guide tube. Cut off excess nylon tie wrap as shown. Insert the receiver antenna into the pre- installed antenna tube as shown.
  • Page 64 Position receiver behind the batteries on the Use a piece of supplied foam rubber to form a fuse floor as shown. receiver mounting pad and place the receiver on the foam. Secure the receiver to the fuse floor using a nylon tie as before . Cut off ex- cess nylon tie.

  • Page 65: Preflight Preparation

    PRE-FLIGHT PREPARATION Gather the (4) 4-40 cowl mounting bolts and Gather the (2) 8-32 wing mounting bolts, (2) (4) #6 small rubber backed washers. #8 large rubber backed washers and (4) hair pins. Note: Always check wing attachment bolts are securely tightened.
  • Page 66 Gather the (4) 4-40 stab mounting bolts and Gather the (4) 4-40 hatch mounting bolts and (4) #6 small rubber backed washers. (4) #6 small rubber backed washers. Note: It is highly recommended you apply thin CA glue to the front hold down dowels. This is a high vibration area and can loosen the front dowels.

  • Page 67: Decal Installation

    DECAL INSTALLATION 3. Factory placement of decals. Decals supplied with the kit may vary from the photos below. Decal application steps will be similar. Gather supplied decals, transfer tape, ruler, scissors, 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.
  • Page 68 Cut out desired decal from decal sheet. Remove backing from Clear transfer tape. Cut transfer tape to accommodate decal size. Apply clear transfer tape over top of decal. Note: Transfer tape will be reused. DO NOT throw away any transfer tape until decal installation is complete.
  • Page 69 8. Press transfer tape to top of decal. Spray model surface with application fluid, or soapy water solution. Peel backing from decal. Spray back side of decal with application fluid, or soapy water solution.
  • Page 70 Position decal in proper location. Applica- Pull transfer tape from top of decal. Take tion fluid will allow decal to be moved slightly. care not to pull away or damage decal. Using a plastic squeegee or credit card. Spread Let decal dry completely decal smooth and remove all excess application fluid.

  • Page 71: Center Of Gravity / Control Throws

    CENTER OF GRAVITY - CONTROL THROWS Start at recommended CG until you are com- Center of Gravity fortable with the flight characteristics of the Warning, DO NOT skip this step! aircraft. You may find this a bit nose heavy at first but that is fine to start with.
  • Page 72 . It is recommended you the throws in degrees level the model as shown. Deflection meter available from Aeroworks Rudder throw measured in inches from the rudder boost tab. Aileron throw measured in degrees. Locate throw meter at widest point of the aileron.

  • Page 73: Control Throw Deflection Table

    Elevator throw measured in degrees. Locate Control Throw Deflection Table throw meter at widest point of the elevator. Low Rate High Rate Aileron 1 1/2” or 18˚ up 1 3/4” or 30˚ up 1 1/2” or 18˚ down 1 3/4” or 30˚ down Rudder 1 1/4”...

  • Page 74: Preflight Check List

    PRE-FLIGHT CHECK LIST Preflight Check List Range check: Do a range check with and without Center of Gravity: Check CG is set properly. the engine running in accordance with the radio manufacturer instructions. If there is insuffi- Engine: The engine should run smoothly at all cient range or a large reduction with the engine throttle settings with smooth transition from running, do not fly until it is resolved!
  • Page 75 Spins upright and inverted • Flat Spins upright and inverted • Harriers upright and inverted • Water falls • Torque Rolls • Rolling circles • Rolling harrier The sky and your imagination are you only limits. FLY and ENJOY! AEROWORKS World Class Aircraft...
  • Page 76 YAK-54 CUSTOMER NOTES ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ __________________________________________________________________________...

Table of Contents

Save PDF