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Table of Contents
Related Manuals for AeroWorks YAK-54 ARF-QB
Summary of Contents for AeroWorks YAK-54 ARF-QB
- Page 1 50cc YAK-54 ARF-QB (Quick Build) ASSEMBLY MANUAL...
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Page 2: Table Of Contents
TABLE OF CONTENTS Page Aeroworks Contact Information …………………………………………………………..Introduction …………………………………………………………………………………….. 4 Kit Contents……………………………………………………………………………………… 5 Items Needed To Complete ……………………………………………………………………… 7 Tightening and Re-shrinking the Covering……………………………………………………. 8 Wing Assembly………………………………………………………………….……………… Stab and Elevator Assembly…………………………………………………………………… Rudder and Tail wheel Assembly ………………………………………………………………. 18 Main Landing Gear Assembly ……..…………………………………………………………... -
Page 3: Aeroworks Contact Information
E-mail: Info@aero-works.net Thank you for choosing the Aeroworks YAK-54 ARF-QB. We put great effort into making this plane the best model you will ever build and fly. We provide you with the highest quality kit and performance possible. We wish you great success in the assem- bly and flying of your new Aeroworks YAK-54 ARF-QB. -
Page 4: Introduction
LASER cut technology, and outstanding hardware included. We hope you enjoy building and flying your YAK-54 ARF-QB. Great care has been taken in both the design and manufacturing of the 50cc YAK-54 ARF-QB to al- low for the strongest and lightest construction possible. Only the highest quality materials from the covering, paint, wood and hardware have been used in the construction of this model. -
Page 5: Kit Contents
KIT CONTENTS (1) Tinted Canopy—glued on the canopy base and MATERIALS LIST FOR 50cc painted, installed on the fuselage by (4) M3x10mm YAK54 hex style bolts (4) 3mm flat washer for the mounting of the canopy (4) #6 bonded washer for the mounting of the can- Basic Aircraft Parts: (1) Antenna Tube installed Fuselage with vertical fin –... - Page 6 Horizontal Stabilizer with elevator assembly (2) 1x1100mm plastic coated pull-pull steel cable. (8) pin point hinges (glued)---covered (4) 4-40 Metal R/C links with metal clevises and nuts (4) 3.5x5mm brass pull-pull swaging tubes Rudder with (5) pin point hinges (not glued) – covered (6) AL double control horns (24) T2.6x16mm Phillips head mounting screws (12) T2.6X12mm Phillips head mounting screws.
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Page 7: 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 • Razor saw • Flat head screwdriver • Hobby heat gun • Hobby iron •... -
Page 8: Tightening And Re-Shrinking The Covering
TIGHTENING AND RE-SHRINKING THE COVERING 1. 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 9: Wing Assembly
WING ASSEMBLY The ailerons have been pre-hinged and glued Attach the 18” extension to the servo lead and to the wing panels and are ready for flight. No secure with safety wire, string, tape, or other other steps are necessary for hinging. Gather method. - Page 10 Draw the 18” servo extension through the Remove servo and use a 1/16 bit to drill servo wing and pull through the wing root rib. mounting holes. Install servo in servo well with the output arm Install servo with servo mounting screws. toward the leading edge of the wing and mark locations of servo mounting holes.
- Page 11 Aileron servo mounted in bottom of wing. Assemble the pushrod and control horn assem- bly as shown. The ball link goes between the left and right sides of the control horn sides and is secured with a nylon lock nut. Start with the center hole in the control horn.
- Page 12 From that mark measure 1/2” toward the wing Use a 1/16” bit to drill the control horn mount- tip and mark the leading edge of the aileron as ing holes. shown. This mark will be the center of the aileron control horn. Tape the inboard trailing edge of the aileron to Mount the control horn using six wood screws the trailing edge of the wing in the neutral po-...
- Page 13 Ensure the servo does not bind at either end point at full deflection. A 1” servo arm is rec- ommended for best results. A 1 1/4” servo arm is required for full deflection of the ai- leron 55º bevel. Repeat all the above steps for the other wing.
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Page 14: Stab And Elevator Assembly
STAB AND ELEVATOR ASSEMBLY Feed the servo wire through the pre-cut eleva- Elevator Servo Installation tor servo well and out the root rib of the stab as shown. The elevators have been pre-hinged and glued to the stabs and are ready for flight. No other steps are necessary for hinging. - Page 15 Remove servo and use a 1/16 bit to drill servo Elevator Control Linkage Installation mounting holes. Assemble two pushrod and control horn as- semblies as shown. The ball link goes be- tween the left and right sides of the control horn sides and is secured with a nylon lock nut.
- Page 16 From this mark measure 1/2” toward the stab Use a 1/16” bit to drill the control horn mount- tip and mark the leading edge of the elevator ing holes. as shown. This mark will be the center of the elevator control horn. Tape leading edge of the elevator balance tab to the leading edge of the stab in the neutral Mount the control horn using six wood screws...
- Page 17 Plug the servo wire into the female end of the 36” extension and secure the servo plugs with safety wire, string, tape, or other method. En- sure the plugs will not come apart from vibra- tion or light tension. Ensure the servo does not bind at center or either end point at full deflection.
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Page 18: Rudder And Tailwheel Assembly
RUDDER 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, six hinges and epoxy mate- epoxy to one side of each hinge and insert the rials as shown. -
Page 19: Rudder Servos Installation
Mix epoxy in mixing cup and use a tapered Ensure there is no gap between fin and rudder. stick to apply the epoxy inside the pre-drilled holes in the leading edge of the rudder. Apply epoxy to trailing edge of each hinge. Carefully slide the rudder onto each hinge and Rudder Servos Installation against the trailing edge of the fin. - Page 20 Install the rudder servo in the forward servo Install rudder servos with servo screws. cutout with the output shaft to the rear. 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 21 Gather the rudder control linkage parts shown Insert rudder cable through the brass swage below. 2 Rudder cables, 2 threaded metal RC tube, then through the threaded coupler hole, links, 4 threaded couplers, and 4 brass swag- and back through the brass swage tube as ing tubes.
- Page 22 Crimp the brass tube with a crimping tool or Tighten the second loop through the brass pliers. swage tube and crimp the brass tube with a crimping tool or pliers. Cut off excess cable as shown. If additional crimping is needed a small C- A drop of thin CA may be applied to the Clamp may be used for additional crimping swage tube to help secure the cable...
- Page 23 Attach a metal threaded RC link to each Measure up from the bottom of the rudder 1 threaded coupler. Attach the RC links to the 1/4” and place a mark on the rudder leading rudder servo arm and then attach the servo arm edge.
- Page 24 Use a 1/16 bit to drill control horn mounting Plug the rudder servo into the rudder channel holes. of the receiver and power up. Turn on trans- mitter to center rudder servo. Mount rudder control horns using six wood Tape the rudder balance tab to the top leading screws.
- Page 25 Remove ball links from the rudder control Attach ball link to rudder control horn on both horns. Attach two threaded couplers to ball sides of the rudder. Thread the rudder cable links as shown. through a brass swage tube, then the threaded coupler, and back through the brass swage tube on both sides.
- Page 26 Tighten the second loop through the brass A drop of thin CA may be applied to the swage tube as shown. swage tube to help secure the cable. Crimp the brass tube with a crimping tool or Hold the threaded coupler below the cable at- pliers.
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Page 27: Tail Wheel Installation
Attach ball link to rudder control horn on both Tail Wheel Installation sides of the rudder. Gather the tail wheel parts shown below. Tail wheel strut and leaf spring, 3 tail wheel mounting screws, steering tiller, 2 mounting screws, and 2 steering springs. Adjust rudder pull-pull cables to desired ten- Apply a drop of thick CA to the mounting sion by screwing in or out on the threaded cou-... - Page 28 Mount the tail wheel steering tiller using two Mount the tail wheel struts and springs using wood screws. three wood screws. Place the tail wheel spring on top of the tail Attach the steering springs on both sides of the wheel strut.
- Page 29 Use pliers to twist spring ends closed around the tillers after desired tension and direction adjustments are complete. Tail wheel final assembly is complete.
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Page 30: Main Landing Gear Assembly
MAIN LANDING GEAR ASSEMBLY Remove landing gear cover from fuse by re- Main Landing Gear Installation moving the two screws from the front former. Gather the landing gear parts as shown below. Landing gear strut, 4 mounting bolts, washers, and lock washers, 2 wheels, 2 axles, and 4 col- lars as shown below. - Page 31 Use a drop of blue lock tite on landing gear Use a drop of blue lock tite on landing gear bolts before attaching the landing gear. cover bolts before attaching the landing gear cover. Bolt landing gear strut to fuse with 4 bolts and Reinstall the gear cover.
- Page 32 Install the axle into the gear strut with nylon Wheels and Wheel Pants Installation lock nut but do not tighten. Gather the wheels, axles, and collars as shown below. Use a drop of blue lock tite on landing gear Snug axle to gear strut with the flat sides verti- axle bolt before attaching the landing gear axle cal.
- Page 33 Slide wheel pant over axle and install the Remove the wheel pant and use wrenches to wheel pant mounting bolts to hold the wheel permanently tighten the axle to the gear strut. pant in alignment but do not tighten wheel pant bolts.
- Page 34 Wheel mounted on center of the axle. Install wheel pants with two mounting bolts. Slide the lock washer then the flat washer on Repeat above steps for other wheel and wheel the wheel pant mounting bolts. Use blue lock pant. tite on the bolts before final tightening.
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Page 35: Engine, Throttle, Mufflers, Tank, And Cowl Installation
ENGINE, THROTTLE, MUFFLERS, TANK, AND COWL INSTALLATION It is recommended to center punch the location Engine Installation of the engine mounting holes prior to drilling. Locate the laser cut engine mounting template for either the DA-50 or 3W-50. If other en- gines are used the templates may be modified for any mounting pattern. - Page 36 Gather the engine and mounting hardware as Insert the bolts through flat fender washers, shown. 4 mounting bolts, 4 washers and 4 2 the firewall and into the engine stand offs. 1/2”stand offs. Stand offs available thru Desert Tighten firmly. Aircraft Use a drop of blue lock tite on the engine Be sure to use flat fender washers on the back...
- Page 37 Attach the 2-56 ball link to the throttle push- Throttle Servo and Choke Installation rod and secure to the carburetor throttle arm with a 2-56 bolt and nylon lock nut. 1. Gather the left and right plywood throttle servo mounting trays, the throttle servo, and pushrod parts as shown below.
- Page 38 Mark the location of the servo mounting tray Install the servo mounting tray to the fuse side on the fuse side. aligned with the marks. Keep the pushrod away while allowing the epoxy to cure. Prepare to epoxy the servo mounting tray to Insert the servo into the mounting tray and the fuse side.
- Page 39 Use a 1/16” bit to drill the servo mounting Insert the throttle pushrod through the throttle holes. servo easy link. Move the throttle servo arm to the centered position and the pushrod so that carburetor is at half open. Then tighten the easy link set screw.
- Page 40 Final throttle servo installation. Muffler, Canister, and Tuned Pipe In- stallation The following sections describe installation of either the pits style muffler, header and canister, or tuned pipe. Use the steps that apply to the ex- haust system you will use. We recommend installing the carburetor choke Muffler and Cowl Installation pushrod as shown.
- Page 41 Install the muffler on the engine exhaust port Measure 3/16” from the edge of the template. and tighten securely. This will allow for the overhang of the cowl- ing to the front former. Gather the following material for making a Mark a line 3/16”...
- Page 42 Mark the center of the template as shown be- Tape the template to the bottom of the fuse low. 3/16” back from the front former and on cen- terline as shown. Mark a centerline on the bottom of the front Hold the template up to the exhaust stacks and former as shown.
- Page 43 Draw a rectangle around the exhaust stack lo- Remove the template and cut out the tracing cations and cut it out with a hobby knife. with a hobby knife. Pull up the template to the engine cylinder With template centered and flush with rear of head and muffler can.
- Page 44 Tape the template flat against the bottom of Dry fit the cowl and make any adjustments to the cowl and trace the opening onto the cowl the cut out as necessary. Install the cowl using as shown. the four cowl mounting bolts and rubber backed washers.
- Page 45 Measure the length of the header and canister Header and Canister Muffler Installa- from the center of the header mounting flange tion to the rear of the canister and add 1 inch. Gather the header and canister muffler parts as shown below.
- Page 46 Dry fit the header and canister to the bottom of Use a hobby knife to remove the covering the fuse and ensure there is one inch of space from the rear of the landing gear cross brace to from the line just marked to the rear of the the mark between the two bottom fuse string- canister.
- Page 47 Covering material removed from two bottom Use a razor saw to remove the cross braces fuse bays. just behind the landing gear from the canister tunnel Use a razor saw to remove the front former Cross braces removed from canister tunnel. cross brace across the canister tunnel.
- Page 48 Dry fit the header and canister inside the tun- Dry fit the canister tunnel rear former inside nel and ensure there is clearance on all sides. the rear of the canister tunnel. Tilt the bottom of the former slightly to the rear at the bottom of the fuse as shown.
- Page 49 Use a hobby knife to cut the former to fit the Apply CA glue to the sides and bottom to se- bottom of the fuse. cure the rear canister tunnel former in place. Apply thick CA glue to the top and bottom of Rear canister tunnel former glued in place.
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Page 50: Canister Installation
Iron the bottom covering to securely seal the Canister Installation covering to the bottom of the rear canister tun- nel former. Determine the location of the rear canister mounting hanger. This should be approxi- mately two thirds back on the canister or as described in the canister installation instruc- tions and as desired by the builder. - Page 51 Mark the centerline of the plywood canister Use a 1/8” bit to drill the canister mounting mounting bracket. bracket mounting holes. Align the centerline of the plywood bracket Locate the two plywood canister mounting with the mounting location previously marked doublers with pre-installed blind nuts as on the top of the canister tunnel.
- Page 52 Slide the canister mounting doublers under the Trace the shape of the canister mounting fuel tank mounting tray and align the blind bracket on the piece of flat silicon as shown. nuts with the mounting holes. The canister mounting doublers are in two pieces to allow easy access.
- Page 53 Locate the pre-drilled counter sunk holes in Use a small piece of medium sand paper to the plywood canister mounting bracket and the scuff one side of the silicon rubber to ensure a two flat washers as shown below. good glue bond. Place the flat washers inside the counter sunk Apply thick CA glue to the scuffed side of the holes as shown.
- Page 54 Glue the silicon rubber piece on top of the Insert the canister mounting bolts through the counter sunk holes on the plywood canister holes in the canister mounting bracket as mounting bracket. This will seal the washers shown. inside the canister bracket mount as shown. After the CA glue has fully cured, use a hobby Locate the nylon tie canister mounting strap knife to cut two small round holes in the sili-...
- Page 55 Use a pair of scissors to split one end of the Prepare to slide the silicon tubing onto the ny- silicon tubing in half approximately 3/4” deep lon tie. The split end of the tubing goes oppo- as shown. site the nylon tie lock a shown. After splitting the silicon tubing cut off one Slide the silicon tubing onto the nylon tie as side of the split section as shown.
- Page 56 Place the canister strap assembly in the canis- Cinch the nylon tie around the canister tube ter tunnel as shown. Allow the nylon tie lock and tighten securely. Ensure that the nylon tie to extend out of the tunnel 1/1/2” as shown. does not touch the metal surface of the canister tube and is properly insulated by the silicon tubing as shown below.
- Page 57 Bottom view of the final canister installation. Tuned Pipe Tunnel Preparation Iron the bottom covering to ensure it is tight and well sealed to the wood. Use a hobby knife to remove the covering Header and Tuned Pipe Installation from the front former to the front of the land- ing gear cross brace as shown.
- Page 58 Use a hobby knife to remove the covering Use a razor saw to remove the cross braces from the landing gear cross brace to the pre- just behind the landing gear from the tuned installed rear tuned pipe former as shown. pipe tunnel.
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Page 59: Tuned Pipe Installation
Iron the bottom covering to securely seal the Tuned Pipe Installation covering to the bottom of the rear tuned pipe tunnel former. Determine the location of the rear tuned pipe mounting hanger. This should be approxi- mately two thirds back on the pipe or as de- scribed in the pipe installation instructions and as desired by the builder. - Page 60 Mark the centerline of the plywood pipe Use a 1/8” bit to drill the pipe mounting mounting bracket. bracket mounting holes. Align the centerline of the plywood bracket Locate the two plywood pipe mounting doub- with the mounting location previously marked lers with pre-installed blind nuts as shown.
- Page 61 Trace the shape of the pipe mounting bracket Locate the pre-drilled counter sunk holes in on the piece of flat silicon as shown. the plywood pipe mounting bracket and the two flat washers as shown below. Use a hobby knife to cut the flat silicon rubber Place the flat washers inside the counter sunk to match the size of the pipe mounting bracket.
- Page 62 Use a small piece of medium sand paper to Glue the silicon rubber piece on top of the scuff one side of the silicon rubber to ensure a counter sunk holes on the plywood pipe good glue bond. mounting bracket. This will seal the washers inside the pipe bracket mount as shown.
- Page 63 Insert the pipe mounting bolts through the Use a pair of scissors to split one end of the holes in the pipe mounting bracket as shown. silicon tubing in half approximately 3/4” deep as shown. Locate the nylon tie pipe mounting strap and After splitting the silicon tubing cut off one the silicon rubber tubing as shown below.
- Page 64 Prepare to slide the silicon tubing onto the ny- Slide the pipe mounting doublers under the lon tie. The split end of the tubing goes oppo- rudder servo mounting tray and align the blind site the nylon tie lock a shown. nuts with the mounting holes as shown.
- Page 65 Place a drop of blue lock tite on each pipe Cinch the nylon tie around the tuned pip tube mounting bolt. Then place the pipe mounting and tighten securely. Ensure that the nylon tie bracket over the pipe mounting strap and insert does not touch the metal surface of the tuned the two mounting bolts through the top of the pipe tube and is properly insulated by the sili-...
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Page 66: Fuel Tank Installation
Bottom view of the final tuned pipe installa- Fuel Tank Installation tion. Gather the fuel tank parts as shown below. Fuel tank parts, fuel tubing, and foam rubber. Cowl cut out for engine cylinder head with Assemble the fuel tank as shown below. Use canister and tuned pipe installation. - Page 67 Insert the rubber stopper into the tank with the Install the fuel tank mounting ties under the small diameter vent tube at the top of the tank. fuel tank floor as shown. Secure the stopper with a nylon tie. Install the fuel tank with foam rubber under- Fuel Tank Installation neath as shown.
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Page 68: Ignition Installation
Install the fuel tubing as shown with small ny- Ignition Installation lon ties. You will need an after market fuel T and fuel filling dot. Note: We recommend Gather the engine ignition parts as shown be- looping the vent line to the rear of the fuel low. - Page 69 Use thick CA to glue the ignition mounting Use a 1/8” drill bit to drill the ignition mount- bracket to the side of the engine mounting box. ing holes. Position the engine ignition on the mounting Mount the engine ignition module using nylon bracket and mark the location of the nylon tie ties and foam rubber as shown.
- Page 70 Install the ignition battery and regulator if re- quired as desired. A typical installation is shown below. Secure all wiring from excess vibration.
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Page 71: Radio Installation
RADIO INSTALLATION Gather the switches and mounting hardware to Use a modeling knife to cut out the switch be used. We used two switches, one for re- holes. ceiver battery, and one for ignition battery. The installation steps are the same for all switches. - Page 72 Mount switches in accordance with the switch Mount the radio components as desired using instructions and hardware. the radio tray cutouts. Ensure all wires and plugs are secure and not subject to chafing when routed through the radio tray and form- ers.
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Page 73: Preflight Preparation
PRE-FLIGHT PREPARATION Gather the 2 wing mounting bolts and 2 #8 Gather the 4 stab mounting bolts and 4 #6 rubber large backed washers. small rubber backed washers. Slide the wing tube in the fuse wing tube Slide the stab tube in the fuse stab tube sleeve. sleeve. - Page 74 Gather the 4 cowl mounting screws and 4 #6 Gather the 4 hatch mounting bolts and 4 #6 small rubber backed washers. small rubber backed washers. Mount the cowl using the cowl mounting Slide the rubber backed washers on the hatch screws and rubber backed washers.
- Page 75 Finishing 3. Factory placement of decals. 1. Decals supplied with the kit may vary from the photos below. Cut the pre printed adhesive backed decals from the decal sheet and apply where desired. Clean the model surface with alcohol to allow a good bond to the surface. The decals may be applied using Windex or a solu- tion of 1 drop of dish detergent to a cup of water sprayed on the model to assist in proper posi-...
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Page 76: Center Of Gravity
Center of Gravity 1. Warning, do not skip this step! The recom- 3. Start at recommended CG until you are comfort- mended CG is 4 1/4” back from the wing lead- able with the flight characteristics of the aircraft. ing edge at the wing tip as shown. You may find this a bit nose heavy at first but that is fine to start with. - Page 77 Elevator throw measured in inches. If a flight control deflection meter is available you can measure the throws in degrees Rudder throw measured in inches. Elevator throw measured in degrees.
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Page 78: Control Throw Deflection Table
Control Throw Deflection Table Preflight Checks Low Rate High Rate Center of Gravity: Check CG is set properly. Engine: The engine should run smoothly at all Aileron 2 1/2” or 25˚ up 3” or 30˚ up throttle settings with smooth transition from 2 1/2”... - Page 79 Slow rolls • Spins upright and inverted • Flat Spins upright and inverted • Harriers upright and inverted • Water falls • Torque Rolls • Rolling circles The sky and your imagination are you only limits. FLY and ENJOY! AEROWORKS...
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