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1. Your model is covered with Ultracote™ covering.   

In case of repairs, the colors are: 

 

      Yellow/Silver Scheme 
Cub Yellow 

             #884 

True Red  

 

#866 

Black     

 

#874 

Silver   

             #881 

Ultracote™ Colors  

Summary of Contents for LC-126ARF-QB

Page 1: ...1 30cc LC 126ARF QB Quick Build ASSEMBLY MANUAL AEROWORKS 4903 Nome Street Denver CO 80239 Phone 303 371 4222 Fax 303 371 4320 E mail info aero works net...

Page 2: ...bly 29 Pull Pull Rudder Servo Installation 33 Tail Wheel Installation 39 Main Landing Gear and Wheel Pants Assembly 41 Glow Engine Installation 4 Stroke 44 Glow Engine Installation 2 Stroke 49 Remote...

Page 3: ...servo s batteries and engine Aeroworks manufacturing warranties this kit to be free from defects in both material and workmanship at the date of purchase This warranty does not cover any component par...

Page 4: ...sembly of your new 30cc LC 126 ARF QB Inventory and inspect all parts and hardware for any im perfections or damage Notify Aeroworks immediately if there are missing or damaged parts INTENDED USE This...

Page 5: ...3 4 40 blind nuts 8 Side Windows 4 each left and right glued in place 1 Front Windshield painted in place with 9 T2x5mm PWA screws 1 Outer plastic tube for flex pushrod for elevator pre installed 1 3...

Page 6: ...ing gear mounting 4 4mm split ring lock washers for land ing gear mounting 2 100m dia Main Wheels 2 5x45mm AL Axle Bolts 2 M8 lock nuts 4 5mm i d Wheel Collars with set screws 4 4 40x14mm hex style bo...

Page 7: ...3 Large Fuel Tubes 1 2 feet Large Glow Fuel Line I D 3mm O D 5 7mm 2 Large Glow Fuel Line for inside for Tank 2 Fuel Clunks for inside of Tank 1 Balsa Tri stock for behind Fuel Tank 11 1 Tail Cone 4...

Page 8: ...8 20 1 Manual CD 21 1 Wire Loom for the Navigation Lights Manual Switch Only 22 2 Removable water rudders 4 4 40 Mounting Bolts...

Page 9: ...ition battery min 4 8 volt 1700ma Gas Only 2 x switches with charge jacks Rec Ing 1 x Light Battery 4 8 Volt 1700ma 1x Switch with charge jack Nav Lights Tools Allen wrenches US and Metric Dremel cutt...

Page 10: ...st of the model is finished Use a Phillips screwdriver to remove the cockpit hatch as shown below Removing Cockpit Hatch and Instrument Panel 2 Using a Phillips screw driver remove the canopy from the...

Page 11: ...ou will be re warded with a long lasting beautifully covered model TIGHTENING AND RE SHRINKING THE COVERING 2 Using your covering iron with a soft sock gently apply pressure and rub in the covering If...

Page 12: ...rin kles in the hinge lines It is important to keep the covering sealed down in this area Note Take care not to apply to much heat around any plastic or corrugated parts IMPORTANT It is the responsibi...

Page 13: ...13 1 Your model is covered with Ultracote covering In case of repairs the colors are Yellow Silver Scheme Cub Yellow 884 True Red 866 Black 874 Silver 881 Ultracote Colors...

Page 14: ...1 4 servo arm 2 safety clip 1 6 servo extension 1 18 Servo Extension and 4 Servo Mounting blocks as shown below for preparation of the servo installation WING ASSEMBLY 2 Using a Phillips screw driver...

Page 15: ...ting screws as shown 7 Mark the location of the servo mounting blocks onto the servo hatch as shown below Make sure the servo arm is positioned in the opening as shown below 8 Use 5 to 15 minute epoxy...

Page 16: ...rvo mounting blocks as shown below This will ensure that the block will be unable to come loose 11 Repeat steps for the 3 remaining servos 13 Layout the servos as shown below Install the extensions at...

Page 17: ...om dropping back inside of wing panel during transportation 17 Gather the aileron and flap control linkage parts as shown below 1 3 pushrod aileron 1 2 5 Pushrod flap 4 4 40 ball link assemblies 2 bra...

Page 18: ...g edge of the wing 19 Reinstall the 4 mounting screws as shown be low Be careful not to strip the wood the screws go into 20 Place the control horns over the predrilled mounting holes 21 Use a drop of...

Page 19: ...ing tip on both the servo arm and pushrod 25 Correct installation of ball link to control horn shown below 23 Correct installation of ball link to servo arm shown below Note Flat washer will prevent b...

Page 20: ...20 26 Finished wing assembly shown below 27 Repeat all the above steps for the other wing...

Page 21: ...ding edge of the elevator Apply epoxy to one side of the elevator U Rod and insert the U Rod completely into the hole Ensure the U Rod is fully inserted and straight in the ele vator before epoxy cure...

Page 22: ...Install hinge in the predrilled hole as shown The knuckle portion of the hinge should be embed ded into the elevator as shown 8 Trial fit all hinges prior to gluing as shown be low 5b Test fit the el...

Page 23: ...ide and allow the hinges to fully cure Check the alignment of the hinges before the glue fully cures to ensure they are straight and move freely 11 Gather the fuse horizontal stab and wing tube as sho...

Page 24: ...excess epoxy 14 Allow epoxy to fully cure before moving on to the hinging of the elevator 15 Mix epoxy in mixing cup and use a tapered stick to apply the epoxy inside the pre drilled holes in the trai...

Page 25: ...arm 4 40 ball link with hardware 4 40 clevis 4 40 threaded inserts and the elevator pushrod as shown below 20 Install elevator servo in the fuselage cabin area as shown below Note The servo output ar...

Page 26: ...keep the clevis from loosening in flight 22 Install the threaded insert into the pushrod as shown below A small drop of thick CA may be used to secure the threaded insert in the pushrod 23 Remove the...

Page 27: ...26 Tape the elevator counter balance at neutral as shown below 27 Attach the 4 40 ball link to the elevator servo arm as shown below Install the 4 40 threaded insert into the ball link at this time 28...

Page 28: ...ck CA may be used to secure the threaded insert in the pushrod Final Water Rudder Installation 1 Apply blue loctite to the 4 40 mounting bolts as shown this will prevent the bolts from coming loose in...

Page 29: ...L CABLE ASSEMBLY 2 Mark the location of the vertical fin on the top of the fuse as shown 3 Remove the vertical fin and ensure the lines marked in the previous step are visible 4 Remove the covering fr...

Page 30: ...the fuse as shown below Wipe away any epoxy with alcohol wetted wipes Allow epoxy to fully cure before moving on to the next step 7 Correct position of fin shown below Ensure that the trailing edge o...

Page 31: ...a tapered stick to apply the epoxy inside the pre drilled holes in the leading edge of the rudder Apply epoxy to one end of each hinge 11 Set the rudder assembly aside and allow the hinges to fully cu...

Page 32: ...ail wheel bracket where it exits the fuse This will allow you to apply glue in the correct area Make sure the rod is strait and wont bend or pull on the rudder 15 Mix epoxy in mixing cup and use a tap...

Page 33: ...in and rudder Allow epoxy to fully cure Check you have full rudder deflection before epoxy fully cures 19 Finished rudder rudder drive assembly shown below Pull Pull and Rudder Servo Installation 1 Ga...

Page 34: ...udder is straight when the cables are attached 3 Install the rudder servo in the servo cutout with the output shaft to the front 4 Using an X ACTO knife clean away any burrs from brass swags This will...

Page 35: ...back through the brass swage tube and pull tight 7 Crimp the brass swage tube with a crimping tool or pliers 8 A drop of thin CA may be applied to the swage tube to help secure the cable 9 Cut off ex...

Page 36: ...to pull the pull pull cables through the fuse 12 Drop the weight into the rear of the fuse Turn the fuse on its nose and allow the weight with the string attached to drop into the fuse 13 Tape the end...

Page 37: ...he receiver and power up Turn on transmitter to center rudder servo Ensure servo trim and sub trims are centered Note On metal geared servos use blue Loctite for all Servo arm mounting screws 17 Insta...

Page 38: ...hown below 20 Mount threaded coupler to cable using the same method used in previous steps 21 Attach the ball link to the servo arm using the 4 40 bolt 4 40 lock nut washer and brass spacer as shown b...

Page 39: ...mounting of the tail cone as shown below 25 Install tail cone to the rear of the fuse using the 4 wood screws supplied in the kit Remember to connect the tail light extension at this time 22 Ensure t...

Page 40: ...40 26 Install the tail wheel onto the tail wheel mount ing shaft and tighten set screw as shown below Note Use blue loctite to ensure the set screw does not come loose due to vibration...

Page 41: ...semblies 4 wheel collars 2 Remove the Phillips head screws holding the landing gear cover in place 3 Align mounting holes of main landing gear with pre drilled mounting holes in fuselage mounting plat...

Page 42: ...7 Align the wheel pant slot over the axle bolt as shown Slide the wheel pant slot over the flat sides of the axle bolt and align blind nuts in wheel pants with mounting holes in landing gear Note Do n...

Page 43: ...eel collar set screw before final tightening 11 Final installation of wheel pant with two mount ing bolts Use blue Loctite on the 4 40 mounting bolts before final tightening Note Make sure wheel turns...

Page 44: ...ote Mounting distance from front of firewall to front of engine prop hub for glow engines 6 1 2 GLOW ENGINE INSTALLATION 3 Locate the engine mount standoffs for the verti cal motor installation as sho...

Page 45: ...stalled in the firewall 6 Use blue loctite on the mounting bolts to ensure they do not loosen from vibration 7 Install the mount to the firewall using the dia gram shown below It is extremely importan...

Page 46: ...e Mount Hole Locator Part GPMR8130 12 Attach the muffler to the engine as shown be low It may be necessary to slightly adjust the angle of the muffler for the best fit 13 Use 4 8 32 x 30mm bolts 4 fla...

Page 47: ...ill bit to drill the hole for the throttle pushrod guide tube 4 Install the throttle pushrod guide tube into the hole drilled in a previous step Throttle servo installation for 4 stroke engine 1 Gathe...

Page 48: ...move the unneeded portion of the plywood pushrod guide as shown If this is not done the guide may interfere with the mounting of the fuel tank 8 Glue the plywood pushrod guide in place as shown Make s...

Page 49: ...r installation as shown below There will be a top and bottom spacer as shown below this will create the correct thrust angle for the engine 2 The standoffs need to be oriented as shown be low It is ve...

Page 50: ...until the thrust washer is 6 1 2 away from the firewall 3 Install top and bottom side of the engine mount ing rails using the supplied 8 32 x 35mm bolts flat washers and split lock washers The blind...

Page 51: ...engine mount 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 recommend the Great...

Page 52: ...low Refer to remote glow plug manufacturers instructions for specific mounting techniques Remote Glow Plug Installation 1 Gather the remote glow plug assembly as shown below Note Remote glow plug is a...

Page 53: ...ront of engine prop hub for gas engines 6 3 4 Note optional wrap around muffler not shown available from Aeroworks Important If using a rear carb DLE 30 please refer to the addendum at the back of thi...

Page 54: ...with lock washers and standard washers as shown Use blue loctite to ensure the bolts will not loosen from vibration 5 Mix 30 minute epoxy in mixing cup and use a stick to apply the epoxy to the back...

Page 55: ...lled holes in the engine mount 11 Install washers and lock nuts on the back side of the engine mount and tighten engine mounting bolts as shown Note Do not over tighten engine mounting bolts this can...

Page 56: ...lywood pushrod guides and Sullivan pushrod set part S503 as shown be low Note throttle hardware for gas engine not supplied 2 Mark location of the throttle pushrod guide tube onto the firewall Note In...

Page 57: ...unt 5 Install throttle servo with the output shaft facing the tail as shown Follow steps outlined in the glow engine installation on page 48 for plywood pushrod guide installation 6 Solder the brass c...

Page 58: ...to the servo arm as shown Note Use a piece of fuel line over the clevis to pre vent it from coming loose in flight 8 Trim the pushrod guide tube flush with the fire wall as shown below 10 Install the...

Page 59: ...below Note Fuel T not supplied 4 Slide the fuel tank into the precut slots inside the fuse as shown Fuel Tank Installation Glow Fuel Tank Installation 1 Gather the fuel tank parts as shown below Fuel...

Page 60: ...d the fuel tank as shown This will keep the fuel tank secure during flight 6 Attach the fuel line to the carburetor inlet as shown below 7 Attach the pressure line to the muffler 8 Use two fuel dots t...

Page 61: ...for both gas or glow fuel Note Tygon fuel line is not supplied but is available through Aeroworks 3 Assemble the fuel pick up line rubber stopper and metal end caps As shown below 2 Locate the 2 suppl...

Page 62: ...he fuel tubing and clunk Secure the fuel tubing with nylon ties to the pick up tube and clunk 6 Install air vent tube into rubber stopper and bend upward Note No brass barbs are required for the air v...

Page 63: ...w Take care not to strip threads by over tightening set screw 1 Gather the fuel tank parts as shown below Fuel tank fuel tubing fuel T fuel filler dot and nylon ties Note The fuel T is not supplied bu...

Page 64: ...recut slots inside the fuse as shown 4 Locate the supplied tristock and glue in place behind the fuel tank as shown This will keep the fuel tank secure during flight 5 Secure fuel pick up line to engi...

Page 65: ...not supplied Dubro Part 203 and installation parts as shown below IGNITION INSTALLATION 2 Place engine mount top hatch back on top of engine mount 3 Mark location for zip tie to pass through the hatch...

Page 66: ...as shown below 6 Mount the engine ignition module using nylon tie and foam rubber as shown 7 Secure ignition wire with nylon ties as nec essary Finished ignition installation shown below 8 If using t...

Page 67: ...switch as shown 10 Install the switch into the switch mount as shown 11 Install ball link coupler onto the ball joint as shown 12 Mark the location for the switch pushrod to pass through the fuse The...

Page 68: ...yelet into the hole drilled in the previous step This will prevent the wood from breaking over time 15 Finished eyelet installation shown below The flanged portion of the eyelet should be towards the...

Page 69: ...69 17 Use thick CA to glue the switch mounting box in place as shown 18 Mount the ignition battery using foam pad and zip ties as shown below Ignition installation is now complete...

Page 70: ...er and Velcro one wrap straps RADIO INSTALLATION 2 Mount radio switch in accordance with the switch manufacturers instructions and hardware Note Ensure switch does not interfere with wings or cowl ins...

Page 71: ...ation for the switch pushrod to pass through the fuse The final position is left to the builder 7 Drill through the fuse as shown below 8 Use thick CA to glue a brass servo eyelet into the hole drille...

Page 72: ...owards the outside of the fuse 10 Install the switch pushrod with mounting ball as shown below 11 Use thick CA to glue the switch mounting box in place as shown 12 If using the external lighting switc...

Page 73: ...shown This will al low the builder to locate as much of the electron ics under the cockpit for a better scale look 14 Gather the battery mounting tray and 4 wood screws as shown below 15 Install batt...

Page 74: ...g Kit Installation 1 Gather the following items for the optional light ing system Wiring harness supplied switch 4 8V battery 2 18 extensions 2 24 exten sions switch mount Velcro strap zip ties foam p...

Page 75: ...xtensions for a clean installation 6 Slide a zip tie through each of the 3 precut holes as shown below 3 The manual switch lighting layout is shown be low This setup will be used for an external light...

Page 76: ...be purchased separately from Aeroworks Important Please refer to the addendum at the back of this manual for correct beacon installation 7 Gather the aileron flap and wing tip nav light extensions as...

Page 77: ...n 5 Use thick CA to glue the beacon lens mount to the fuse as shown below 2 Remove the lens from the top of the beacon as shown below 3 Place the beacon lens mount on the center of the fuse behind the...

Page 78: ...ole as shown below 9 Remove the string and install the beacon light lens cover onto the light and then onto the bea con lens mount 6 Pass a string through the beacon mount hole into the radio compartm...

Page 79: ...79 10 Use Velcro or double sided tape to hold the bea con control box in place 11 Place the beacon control box at the bottom of the fuse as shown...

Page 80: ...following items for the cockpit as sembly 2 Control yokes 2 Control yoke spacers and 2 cotter pins as shown below 3 Slide the control yoke through the predrilled hole in the dash slide the spacer ont...

Page 81: ...shown below Note Be careful not to scratch the felt lining on the inside of the fuse 6 Screw the cockpit assembly into place using the screws removed during the beginning of assem bly 7 Reinstall the...

Page 82: ...he cowling have two mounting locations The airplane comes setup for a blind style mounting for bolts to pass through the cowl ring If these bolts are blocked by the engine external mounts will be used...

Page 83: ...low 6 Trace around the muffler being careful to keep the template in the same location 7 Remove the template and use a hobby knife to cut out the muffler exit opening as shown 8 Check the fit of the t...

Page 84: ...be easily removed Also When using rubbing alcohols or other paint removers always test on painted parts before using 11 Mark the location of the inner cowl ring as shown This portion of the cowl ring...

Page 85: ...ust like the previous steps 4 Stroke Cowl Installation 1 Tape the provided template material to the bot tom of the fuse as shown below Cut out access hole to fit muffler 2 Trace around the valve cover...

Page 86: ...permanent markers may not be easily removed Also When using rubbing alcohols or other paint removers always test on painted parts before using 6 Cut a strip of the template long enough to reach the n...

Page 87: ...87 9 Finished cowl installation shown below Gas Cowl Installation 1 Use the steps included for the 2 and 4 stroke cowl cutting directions to cut the cowl for the Gas engine installation...

Page 88: ...vo connectors Slide the rubber backed washers on the wing mount ing bolts and insert bolts through the fuse side and into the wing root blind nuts Tighten snugly but do not over tighten and crack the...

Page 89: ...3 supplied mount ing screws as shown below 6 Locate the predrilled pitot tube hole in the left wing as shown below 7 Screw the pitot tube in place it is recommended that the pitot tube be removed for...

Page 90: ...he Wing 3 Slide wings away from fuse and install the CG Buddy on the wing tube and front rotation dowel as shown The cable attachment should be on the top side of the wing Make sure the CG Buddy is se...

Page 91: ...d and READY TO FLY Try to balance the model by moving the batteries and receiver before adding any ballast IMPORTANT The CG Buddy is not adjustable and is set to bal ance the airplane at the recommend...

Page 92: ...both low and high rates 2 Use the supplied flight control deflection meter to measure the throws in degrees Prop up the tail of the aircraft until the fuselage is parallel to the table top 3 Use the w...

Page 93: ...er the deflection meter on the rudder using the centering marks on the meter to aid with alignment Bend the precut positioning tabs down around the fin 9 Secure the tabs to the fin using scotch tape 1...

Page 94: ...ges 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 r...

Page 95: ...at 303 371 4222 Or email us at Techsupport Aero Works net 1 Remove the fuel tank floor directly behind the firewall Use the line shown in the picture below as a reference for how much of the floor wil...

Page 96: ...n place using thin CA Use sandpaper to sand them flush with the firewall 6 Finished hardwood dowel installation shown below 7 Locate the engine mounting box supplied with the airplane Use a rotary cut...

Page 97: ...a 13 64 drill bit to drill the engine mounting holes 11 Attach the phenolic throttle arm extension to the throttle arm as shown Remember to use blue loctite on the mounting screw to prevent it from c...

Page 98: ...ll the motor Ensure there is one extra fender washer behind the two left standoffs this will ensure the engine has the proper amount of right thrust When tightening the engine mount ing bolts be sure...

Page 99: ...Solder one brass coupler that will attach to the servo onto the cable and pass the cable out through the front of the fuse 20 Solder the brass coupler to the flex cable and attach the 4 40 ball link t...

Page 100: ...e carburetor choke pushrod as shown Use nylon ties to provide support and holding friction for the choke push rod Place silicon fuel tubing over the wire pushrod to prevent damage from vibration and p...

Page 101: ...lation 3 Remove the back plate from the light as shown below 4 Mark back plate as shown below Trim off the excess material 1 Locate the beacon lens as shown below Place the lens on the fuse and mark i...

Page 102: ...ce Ensure that the light is still pushed onto the lock before the glue dries 8 Place beacon light into the hole cut out in a pre vious step Use thick CA to glue the lens in place 5 Feed light through...

Page 103: ...___ ___________________________________________________________________________ ___________________________________________________________________________ ____________________________________________...

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