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AeroWorks 50cc YAK-54 ARF-QB, Assembly Manual

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AeroWorks 50cc YAK-54 ARF-QB Assembly Manual Download Page 14

 

14

 

Elevator Servo Installation 

 
1. 

The elevators have been pre-hinged and glued 
to the stabs and are ready for flight.  No other 
steps are necessary for hinging.  Gather the 
stabs and elevators, two elevators servos, and 
two 36” servo extensions as shown below. 

STAB AND ELEVATOR ASSEMBLY

 

2. 

Gather the elevator control linkage parts as 
shown below.  There are 2 pushrods, 4 ball 
link assemblies, 4 metal threaded RC links, 2 
left and 2 right side control horns, and 12 
wood screws for each stab and elevator. 

3. 

Feed the servo wire through the pre-cut eleva-
tor servo well and out the root rib of the stab 
as shown. 

4. 

Install servo in servo well with the output arm 
toward the leading edge of the stab and mark 
locations of servo mounting holes. 

Summary of Contents for 50cc YAK-54 ARF-QB

Page 1: ...1 50cc YAK 54 ARF QB Quick Build ASSEMBLY MANUAL ...

Page 2: ...s 5 Items Needed To Complete 7 Tightening and Re shrinking the Covering 8 Wing Assembly 9 Stab and Elevator Assembly 14 Rudder and Tail wheel Assembly 18 Main Landing Gear Assembly 30 Engine Throttle Mufflers Tank and Cowl Installation 35 Radio Installation 71 Preflight Preparation 73 ...

Page 3: ... 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 WARNING An R C aircraft is not a toy If misused it can cause serious bodily harm and property damage Fly only in open areas and AMA Academy of Model Aeronautics approved flying sites Follow all instructions inclu...

Page 4: ...take advantage of the full capabilities of this aerobatic aircraft IMPORTANT Please read through this manual carefully before starting the assembly of your new50cc YAK 54 ARF QB Inventory and inspect all parts and hardware for any imperfections or damage Please notify AEROWORKS immediately if there are missing or damaged parts INTENDED USE This plane should not be regarded as a toy This is an aero...

Page 5: ... 2 flat washers Canopy base painted with 4 M3 blind nuts in stalled 1 Tinted Canopy glued on the canopy base and painted installed on the fuselage by 4 M3x10mm hex style bolts 4 3mm flat washer for the mounting of the canopy 4 6 bonded washer for the mounting of the can opy 1 Antenna Tube installed Left Wing with Aileron covered M4 blind nuts installed for the wing mounting 2 located pins installe...

Page 6: ...t washers for wing mounting 4 4mm split ring lock washer for wing mounting 4 M3x12mm Hex head bolts for stab mounting 4 3mm flat washer and 4 3mm split ring lock washer for stab mounting 4 6 bonded washers 6 2 4 40 2 1 2 two end threaded pushrod with nuts for elevator 2 4 40 3 two end threaded pushrod with nuts for ai lerons 1 1 8x300mmThreaded pushrod with metal clevis for throttle 7 2 1x1100mm p...

Page 7: ...ceiver battery min 4 8 volt 1700ma 1 x ignition battery min 4 8 volt 1700ma 2 x switches charge jacks Tools 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 Masking tape Modeling knife Needle nose pliers or crimping tool Paper towels Pen pencil or felt tipped marker Phillips screwdr...

Page 8: ...G THE COVERING 2 Using your covering iron with a soft sock gently apply pressure and rub in the covering If any bubbles occur your iron may be to hot Reduce heat and work slowly 3 If bubbles persist use a small pin to punch holes in the bubble to relieve trapped air and reheat 4 Use your heat gun with extreme caution Take care not to apply too much heat to one area for long periods of time This ma...

Page 9: ...extension on the wing to test fit the installation and ensure servo exten sion is the correct length 3 Attach the 18 extension to the servo lead and secure with safety wire string tape or other method Ensure the plugs will not come apart from vibration or light tension 4 Fasten the pull string from the servo hole to the male plug of the servo extension Secure with tape so that the strings pulls fr...

Page 10: ...through the wing root rib 6 Install servo in servo well with the output arm toward the leading edge of the wing and mark locations of servo mounting holes 7 Remove servo and use a 1 16 bit to drill servo mounting holes 8 Install servo with servo mounting screws ...

Page 11: ...for each wing panel 2 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 The ball link may be moved up or down for more or less control throw 3 Use a ruler against the outboard side of the servo case to project a line to the leading...

Page 12: ...e receiver and turn on Ensure the servo is centered and the servo arm is parallel to the aileron hinge line At tach front ball link to servo arm Adjust the length of the pushrod so that the leading edge of the control horn is aligned with the leading edge of the aileron Center the control horn over the mark as shown and mark the position of the control horn mounting holes 5 Use a 1 16 bit to drill...

Page 13: ...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 8 Repeat all the above steps for the other wing ...

Page 14: ...LEVATOR ASSEMBLY 2 Gather the elevator control linkage parts as shown below There are 2 pushrods 4 ball link assemblies 4 metal threaded RC links 2 left and 2 right side control horns and 12 wood screws for each stab and elevator 3 Feed the servo wire through the pre cut eleva tor servo well and out the root rib of the stab as shown 4 Install servo in servo well with the output arm toward the lead...

Page 15: ...Linkage Installation 1 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 2 Use a ruler against the outboard side of the servo case to project the line to the leading edge of the elevator and mark as shown ...

Page 16: ...n Ensure the servo is centered and the servo arm is parallel to the elevator hinge line Attach front ball link to servo arm Adjust the length of the pushrod so that the leading edge of the control horns are aligned with the bot tom leading edge of the elevator Center the control horn over the mark and mark the 5 Use a 1 16 bit to drill the control horn mount ing holes 6 Mount the control horn usin...

Page 17: ...ure 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 8 Ensure the servo does not bind at center or either end point at full deflection 9 Repeat the above steps for the other stab and elevator ...

Page 18: ...This ensures 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 side of each hinge and insert the hinge completely into the hole Ensure the hinge axis is vertical and parallel to the trailing edge of the fin before epoxy cures Wipe away excess epoxy with al...

Page 19: ...ng edge of the rudder Apply epoxy to trailing edge of each hinge 6 Carefully slide the rudder onto each hinge and against the trailing edge of the fin Wipe away excess epoxy with alcohol wetted wipes 7 Ensure there is no gap between fin and rudder Rudder Servos Installation 1 Gather one rudder servo as shown below ...

Page 20: ...l the rudder servo mounting holes 4 Install rudder servos with servo screws Rudder Pull Pull Cable Installation 1 Gather the rudder control linkage parts shown below Rudder cable 2 ball link assemblies 4 threaded metal RC links 4 threaded cou plers 4 brass swaging tubes 2 left and 2 right side control horns and 12 wood screws ...

Page 21: ...ag ing tubes 3 Feed the rudder cable through the cable exit tube in the tail of the fuse toward the front of the fuse Repeat on other side 4 Insert rudder cable through the brass swage tube then through the threaded coupler hole and back through the brass swage tube as shown 5 Loop the cable back through the brass swage tube as shown ...

Page 22: ...be used for additional crimping pressure 8 Tighten the second loop through the brass swage tube and crimp the brass tube with a crimping tool or pliers Cut off excess cable as shown 9 A drop of thin CA may be applied to the swage tube to help secure the cable 10 Repeat above steps for the other side rudder cable ...

Page 23: ...n Installation 1 Gather the rudder control horn parts as shown below 2 ball link assemblies and 2 left and 2 right side control horns Assemble the ball links between the control horns as shown Secure with nylon lock nut 2 Measure up from the bottom of the rudder 1 1 4 and place a mark on the rudder leading edge 3 Center the rudder control horn over the mark and mark the locations of the control ho...

Page 24: ... mounting the other side rudder control horn 7 Plug the rudder servo into the rudder channel of the receiver and power up Turn on trans mitter to center rudder servo 8 Tape the rudder balance tab to the top leading edge of the vertical fin in the neutral position as shown This ensures the rudder is straight when the cables are attached ...

Page 25: ...ay cause burrs on the coupler that can eventually cut the rudder pull cable 11 Attach ball link to rudder control horn on both sides of the rudder Thread the rudder cable through a brass swage tube then the threaded coupler and back through the brass swage tube on both sides Pull light tension on the cable through the coupler on both sides as shown The loop through the coupler should be approximat...

Page 26: ...s 15 A drop of thin CA may be applied to the swage tube to help secure the cable 16 Hold the threaded coupler below the cable at tach holes to thread into the ball link as shown Do not hold coupler at the top where the cable hole is located This may cause burrs on the coupler that can eventually cut the rudder pull cable ...

Page 27: ... rudder servos still powered up and centered and the rudder still taped in the neu tral position Ensure the servo does not bind at center or at either end point Tail Wheel Installation 1 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 7 Apply a drop of thick CA to the mounting screws befo...

Page 28: ...tom of the fuse Place a drop of thick CA on tail wheel strut mounting screws before inserting in the pre drilled mounting holes on the bottom rear of the fuse 10 Mount the tail wheel struts and springs using three wood screws 11 Attach the steering springs on both sides of the tail wheel to the rudder tiller and tail wheel tiller Center the springs between both tillers ...

Page 29: ...29 13 Use pliers to twist spring ends closed around the tillers after desired tension and direction adjustments are complete 14 Tail wheel final assembly is complete ...

Page 30: ... 2 axles and 4 col lars as shown below MAIN LANDING GEAR ASSEMBLY 2 Gather the gear strut 4 mounting bolts wash ers and lock washers as shown below 3 Remove landing gear cover from fuse by re moving the two screws from the front former 4 Note that the trailing edge of the landing gear strut is tapered The tapered edge goes toward the rear of the fuse ...

Page 31: ...hing the landing gear 6 Bolt landing gear strut to fuse with 4 bolts and washers Ensure tapered edge of the gear strut is facing toward the rear 7 Use a drop of blue lock tite on landing gear cover bolts before attaching the landing gear cover 8 Reinstall the gear cover ...

Page 32: ...low 2 Use a drop of blue lock tite on landing gear axle bolt before attaching the landing gear axle with the nylon lock nut 3 Install the axle into the gear strut with nylon lock nut but do not tighten 4 Snug axle to gear strut with the flat sides verti cal Align axle with wheel pant slot ...

Page 33: ...n the axle so it does not rotate during final tightening 7 Remove the wheel pant and use wrenches to permanently tighten the axle to the gear strut 8 Install the inner wheel collar next to the axle bolt Tighten the inner wheel collar in place Install the wheel and outer wheel collar Use blue lock tite on the wheel collar set screw before final tightening ...

Page 34: ...xle 10 Slide the lock washer then the flat washer on the wheel pant mounting bolts Use blue lock tite on the bolts before final tightening 11 Install wheel pants with two mounting bolts 12 Repeat above steps for other wheel and wheel pant ...

Page 35: ...y be modified for any mounting pattern ENGINE THROTTLE MUFFLERS TANK AND COWL INSTALLATION 2 Line up the template with the firewall thrust lines and mark the location of the engine mount ing holes 3 It is recommended to center punch the location of the engine mounting holes prior to drilling 4 Use a 1 4 drill to drill the engine mounting holes ...

Page 36: ... available thru Desert Aircraft 6 Use a drop of blue lock tite on the engine mounting bolts prior to installing 7 Insert the bolts through flat fender washers the firewall and into the engine stand offs Tighten firmly 8 Be sure to use flat fender washers on the back side of the firewall to distribute bolt pressure ...

Page 37: ... the firewall in line with the engine carburetor throttle arm 3 Attach the 2 56 ball link to the throttle push rod and secure to the carburetor throttle arm with a 2 56 bolt and nylon lock nut 4 The throttle servo is mounted on the side of the fuse that aligns with the engine carburetor throttle arm Insert the throttle servo into the appropriate throttle servo mounting tray with the output arm for...

Page 38: ...unting tray to the fuse side Apply epoxy to the back of the servo mounting tray 7 Install the servo mounting tray to the fuse side aligned with the marks Keep the pushrod away while allowing the epoxy to cure 8 Insert the servo into the mounting tray and mark the location of the servo mounting holes ...

Page 39: ...vo using servo screws 11 Insert the throttle pushrod through the throttle 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 12 Cut off the excess pushrod wire as shown ...

Page 40: ...vibra tion and provide holding friction You can install a choke servo if desired Use the same mounting steps as the throttle servo Muffler Canister and Tuned Pipe In stallation 1 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 Muffler and Cowl Installation 1 Use a drop of bl...

Page 41: ...e following material for making a cowl cutout template Use a large envelope or cardboard file folder for template material 4 Measure 3 16 from the edge of the template This will allow for the overhang of the cowl ing to the front former 5 Mark a line 3 16 from the edge of the tem plate ...

Page 42: ... a centerline on the bottom of the front former as shown 8 Tape the template to the bottom of the fuse 3 16 back from the front former and on cen terline as shown 9 Hold the template up to the exhaust stacks and trace the location of the exhaust stacks as shown ...

Page 43: ...ne cylinder and muffler can so that they can extend below the template after the tracing is cut out 12 Remove the template and cut out the tracing with a hobby knife 13 With template centered and flush with rear of cowl tape the template to the cowling Cut the template to clear the air intake on the bottom of the cowl and allow the template to lay flat against the bottom of the cowl ...

Page 44: ...e cowl as shown 15 Use a rotary cutting tool to cut out the opening in the bottom of the cowl 16 Dry fit the cowl and make any adjustments to the cut out as necessary Install the cowl using the four cowl mounting bolts and rubber backed washers 17 Final cowl installation with engine muffler ...

Page 45: ...rubber and canister holding bracket with screws Canister Tunnel Preparation 1 Iron the bottom covering to ensure it is tight and well sealed to the wood 2 Measure the length of the header and canister from the center of the header mounting flange to the rear of the canister and add 1 inch 3 Transfer this distance to the bottom of the fuse starting from the center of the engine cylinder head ...

Page 46: ...ss the fuse belly on the mark location as shown This will be the location of the rear former of the canister tunnel 6 Use a hobby knife to remove the covering from the rear of the landing gear cross brace to the mark between the two bottom fuse string ers 7 Use a hobby knife to remove the covering from the front former to the front of the land ing gear cross brace as shown ...

Page 47: ...ttom fuse bays 9 Use a razor saw to remove the front former cross brace across the canister tunnel 10 Use a razor saw to remove the cross braces just behind the landing gear from the canister tunnel 11 Cross braces removed from canister tunnel ...

Page 48: ...former as shown below 14 Dry fit the canister tunnel rear former inside the rear of the canister tunnel Tilt the bottom of the former slightly to the rear at the bottom of the fuse as shown This will allow the air flow to exit easily 15 Mark the bottom of the fuse line on the former and mark the top of the canister tunnel where the former makes contact ...

Page 49: ...to fit the bottom of the fuse 17 Apply thick CA glue to the top and bottom of the canister tunnel former 18 Apply CA glue to the sides and bottom to se cure the rear canister tunnel former in place 19 Rear canister tunnel former glued in place ...

Page 50: ...ocation 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 Mark this location on the edge of the canister tunnel 2 Transfer this mark to the top of the canister tunnel Ensure the mounting holes in the top of the canister tunnel will not interfere with any equipme...

Page 51: ... bracket with the mounting location previously marked on the top of the canister tunnel Mark the location of the canister bracket mounting holes 5 Use a 1 8 bit to drill the canister mounting bracket mounting holes 6 Locate the two plywood canister mounting doublers with pre installed blind nuts as shown ...

Page 52: ...l and screw into the blind nuts to hold the doublers in place Do not tighten Tack glue the edges of the doublers to the top of the canister tunnel with CA glue Remove the bolts and glue the doublers se curely in place Do not allow CA glue to get into the blind nut threads 9 Trace the shape of the canister mounting bracket on the piece of flat silicon as shown 10 Use a hobby knife to cut the flat s...

Page 53: ...hown below 12 Place the flat washers inside the counter sunk holes as shown Ensure the washer is fully seated inside the counter sunk holes 13 Use a small piece of medium sand paper to scuff one side of the silicon rubber to ensure a good glue bond 14 Apply thick CA glue to the scuffed side of the silicon rubber piece ...

Page 54: ...se a hobby knife to cut two small round holes in the sili con rubber The holes should be just large enough to allow the heads of the canister mounting bolts to pass through the silicon rub ber and seat against the washers inside 18 Insert the canister mounting bolts through the holes in the canister mounting bracket as shown 19 Locate the nylon tie canister mounting strap and the silicon rubber tu...

Page 55: ...the split section as shown This will provide a relief section of the tubing for the nylon tie lock and insulate it from the metal canister surface 22 Prepare to slide the silicon tubing onto the ny lon tie The split end of the tubing goes oppo site the nylon tie lock a shown 23 Slide the silicon tubing onto the nylon tie as shown to form the canister strap assembly ...

Page 56: ...g bracket over the canister mounting strap and insert the two mounting bolts through the top of the canister tunnel and into the blind nuts on the opposite side Tighten the mount ing bolts securely 26 Cinch the nylon tie around the canister tube and tighten securely Ensure that the nylon tie does not touch the metal surface of the canister tube and is properly insulated by the silicon tubing as sh...

Page 57: ...and tuned pipe parts as shown below 1 header coupler clamps and tuned pipe assembly Tuned Pipe Tunnel Preparation 1 Iron the bottom covering to ensure it is tight and well sealed to the wood 2 Use a hobby knife to remove the covering from the front former to the front of the land ing gear cross brace as shown ...

Page 58: ...e pre installed rear tuned pipe former as shown 4 Use a razor saw to remove the front former cross brace across the pipe tunnel 5 Use a razor saw to remove the cross braces just behind the landing gear from the tuned pipe tunnel 6 Covering and cross braces removed from tuned pipe tunnel ...

Page 59: ...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 Mark this location on the edge of the tuned pipe tunnel 2 Transfer this mark to the top of the tuned pipe tunnel Ensure the mounting holes in the top of the pipe tunnel will not interfere with any equipmen...

Page 60: ...ywood bracket with the mounting location previously marked on the top of the pipe tunnel Mark the loca tion of the pipe bracket mounting holes 5 Use a 1 8 bit to drill the pipe mounting bracket mounting holes 6 Locate the two plywood pipe mounting doub lers with pre installed blind nuts as shown ...

Page 61: ...e flat silicon rubber to match the size of the pipe mounting bracket 11 Locate the pre drilled counter sunk holes in the plywood pipe mounting bracket and the two flat washers as shown below 12 Place the flat washers inside the counter sunk holes as shown Ensure the washer is fully seated inside the counter sunk holes ...

Page 62: ...ber piece on top of the counter sunk holes on the plywood pipe mounting bracket This will seal the washers inside the pipe bracket mount as shown 16 After the CA glue has fully cured use a hobby knife to cut two small round holes in the sili con rubber The holes should be just large enough to allow the heads of the pipe mount ing bolts to pass through the silicon rubber and seat against the washer...

Page 63: ...e silicon rubber tubing as shown below 19 Use a pair of scissors to split one end of the silicon tubing in half approximately 3 4 deep as shown 20 After splitting the silicon tubing cut off one side of the split section as shown This will provide a relief section of the tubing for the nylon tie lock and insulate it from the metal pipe surface ...

Page 64: ...unting doublers under the rudder servo mounting tray and align the blind nuts with the mounting holes as shown 24 Install the pip mounting bolts from the inside the pipe tunnel and screw into the blind nuts to hold the doublers in place Do not tighten Tack glue the edges of the doublers to the top of the pipe tunnel with CA glue Remove the bolts and glue the doublers securely in place Do not allow...

Page 65: ...d into the blind nuts on the op posite side 26 Allow the nylon tie lock to extend out of the tunnel 1 1 2 as shown Tighten the mounting bolts securely 27 Cinch the nylon tie around the tuned pip tube and tighten securely Ensure that the nylon tie does not touch the metal surface of the tuned pipe tube and is properly insulated by the sili con tubing as shown below 28 Cut off excess nylon tie as sh...

Page 66: ...nstructions in the Muffler and Cowl Installation on page 40 steps 1 17 Fuel Tank Installation 1 Gather the fuel tank parts as shown below Fuel tank parts fuel tubing and foam rubber 2 Assemble the fuel tank as shown below Use large diameter tube for pick up and small di ameter tube for the vent Secure the fuel tub ing with nylon ties to the pick up tube and clunk ...

Page 67: ...the fuel tank parts as shown below Fuel tank fuel tubing and foam rubber fuel T and fuel dot nylon ties Note The fuel T and fuel dot are not supplied 2 Install the fuel tank mounting ties under the fuel tank floor as shown 3 Install the fuel tank with foam rubber under neath as shown Cinch the nylon ties securely to hold the tank against the foam on the fuel tank floor ...

Page 68: ...lling dot as desired on the side of the fuse Do not allow the fuel dot to inter fere with the leading edge of the wing Secure the fuel vent line to the front former for proper draining Drill a fuel line hole in the bottom of the engine box floor to allow fuel pick up line to connect the engine carburetor fuel intake nipple Ignition Installation 1 Gather the engine ignition parts as shown be low En...

Page 69: ...ine ignition on the mounting bracket and mark the location of the nylon tie holes as shown 5 Use a 1 8 drill bit to drill the ignition mount ing holes 6 Mount the engine ignition module using nylon ties and foam rubber as shown Route the ig nition wire to the engine as shown and secure with nylon ties as necessary ...

Page 70: ...70 4 Install the ignition battery and regulator if re quired as desired A typical installation is shown below Secure all wiring from excess vibration ...

Page 71: ...ation steps are the same for all switches RADIO INSTALLATION 2 Switch location is at the discretion of the builder We chose to place the switches to ward the front of the fuse on each side Mark location for switches using switch template 3 Use a modeling knife to cut out the switch holes 4 Slide switch wires inside fuse through the switch cutout ...

Page 72: ...radio mounting hardware as shown below Foam rubber Velcro straps and nylon ties 7 Mount the radio components as desired using 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 8 Typical installation of RC equipment ...

Page 73: ...nto the wing root blind nuts Tighten snugly but do not over tighten and crack the fuse or wing root wood 5 Gather the 4 stab mounting bolts and 4 6 small rubber backed washers 6 Slide the stab tube in the fuse stab tube sleeve Slide the stabs on the stab tube and plug in the elevator servo plugs Slide the rubber backed washers on the stab mounting bolts and insert bolts through the stab mounting t...

Page 74: ...hers are to prevent the fiber glass cowl from cracking from normal engine vibration 7 Gather the 4 hatch mounting bolts and 4 6 small rubber backed washers 8 Slide the rubber backed washers on the hatch mounting bolts and insert bolts through the hatch mounting holes and into the fuse blind nuts Tighten snugly but do not over tighten and crush the hatch or the fuse sides ...

Page 75: ...l 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 tioning The water must be pressed out from under the decal after the decal is in position Use a rubber squeegee or a credit card edge to press the water out 2 Factory placement of decals 3 Factory placement of decals...

Page 76: ...ing style in small steps especially when shifting the CG to ward the tail Move the battery or add small stick on weights to the nose or tail as necessary 4 For aerobatic flying a more aft balance point is better For smooth sport flying a more forward CG is better An aircraft that is too nose heavy does not fly well and is difficult to land A tail heavy aircraft is uncontrollable and will likely cr...

Page 77: ...77 3 Elevator throw measured in inches 4 Rudder throw measured in inches 5 If a flight control deflection meter is available you can measure the throws in degrees 6 Elevator throw measured in degrees ...

Page 78: ... break in and tun ing completely Flight Controls Ensure all flight controls are free from binding and are centered Check that all hinges are tight and will not pull out Control linkages must be rigid and tight and have no slop Confirm proper direction of ai lerons rudder and elevator Experienced fly ers have lost airplanes due to reversed ailer ons Right roll is right up left down Left roll is lef...

Page 79: ... can think of Here 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 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 ...

Page 80: ..._______________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ________________________...

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