AeroWorks Sport Cub S2 ARF-QB Assembly Manual Download Page 1

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50cc Sport Cub S2 ARF-QB

(Quick Build)

ASSEMBLY MANUAL

AEROWORKS

4903 Nome Street, Denver, CO. 80239 - Phone 303-371-4222 - Fax 303-371-4320

E-mail - [email protected]

Summary of Contents for Sport Cub S2 ARF-QB

Page 1: ...1 50cc Sport Cub S2 ARF 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: ...Assembly 21 Stab and Elevator Assembly 29 Flying Wire Installation 35 Main Landing Gear Installation 38 Optional Tundra Tire Assembly 43 Tail Wheel Assembly 44 Engine Installation 47 Throttle Choke I...

Page 3: ...rom defects in both material and workmanship at the date of purchase This warranty does not cover any component parts damaged by use or modification In no case shall Aeroworks liability exceed the ori...

Page 4: ...Cub S2 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 plane should not be re...

Page 5: ...atches covered and pre installed with 8 4 40x12mm button head bolts and 8 3mm flat washers 2 Fuse Rear Side Window tinted color preglued 2 Fuse Front Side Window functional tinted color pre installed...

Page 6: ...g gear mounting 8 6 32x15mm hex head bolts for landing gear mounting 2 6 32x10mm hex head bolts for landing gear mounting 10 6 32 Lock Nuts for landing gear mounting 8 3 5mm flat washers 2 Nylon Space...

Page 7: ...ad bolts mounting connector with Rear of stab 4 6 32 lock nuts mounting connector with stab 4 8x3 2mm flat washers 1 5x191mm carbon stab tube 11 4 Tail Flying Wires pre made 3 M2x25mm Phillip head bol...

Page 8: ...volt 5200mah 1 x ignition battery 7 4 volt 2600mah 2 x voltage regulator 2 x switches with charge jacks Tools Allen wrenches US and Metric Dremel cutting disc and sanding drum tool Electric drill and...

Page 9: ...in assembling the model These items will be reinstalled when the rest of the model is finished Using a Phillips screw driver remove the canopy from the fuselage as shown below Removing Cockpit Hatch...

Page 10: ...to re tighten the covering you 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 pressu...

Page 11: ...ams and color overlaps are securely sealed 3 Go over all hinge gaps and seal all seams IMPORTANT It is the responsibility of the purchaser operator to check the covering seams and overlaps for securit...

Page 12: ...12 1 Your model is covered with Ultracote covering In case of repairs the colors are Red White Scheme True Red 866 Black 874 White 870 Ultracote Colors 2 Yellow Black Scheme Cub Yellow 884 Black 874...

Page 13: ...screws 2 1 1 4 servo arm 1 Safety clip 1 18 Servo Extension WING ASSEMBLY 2 Layout the servos as shown below Install the extensions at this time and double check exten sion length 3 Attach the 18 exte...

Page 14: ...f the wing panel will help to prevent lead from dropping back inside of wing panel during transportation 7 Install servo in servo well with the output arm toward the leading edge of the wing Drill hol...

Page 15: ...rrect installation of ball link to servo arm shown below Note Flat washer will prevent ball link from coming loose from brass ball 2 Assemble the pushrod and control horn assem bly as shown The ball l...

Page 16: ...Use tape to hold aileron in the neutral position Plug the servo into the receiver and turn radio on Ensure the servo trim and sub trim is cen tered Adjust the length of the pushrod so that the servo a...

Page 17: ...mounting bolts 2 strut eyelets 2 Use the 6 32 mounting bolt to install the strut mount as shown Use blue loctite to prevent the mounting bolt from coming loose in flight 3 Bolt the remaining strut mou...

Page 18: ...ckly 7 Finished strut mount and eyelet assembly shown below Repeat the same steps for the remaining wing before continuing 8 Gather the following items for mounting of the struts to the wings 2 Struts...

Page 19: ...l prevent the struts from damaging the wing during transport 11 Be careful not to over tighten the bolts as this will keep the struts from pivoting into place 12 Secure the center strut support using...

Page 20: ...assembly shown Remove the bot tom set pins to fully collapse the strut as shown below 14 The remaining 6 32 bolts will be used to mount the struts to the fuse It is recommended that these stay in the...

Page 21: ...oles in the trailing edge of the fin Apply epoxy to one side of each hinge and insert the hinge com pletely into the hole Ensure the hinge axis is vertical and parallel to the trailing edge of the fin...

Page 22: ...ection can be the difference between a great flying model and a model that will crash Always use brand name high quality servos 8 Install the rudder servo in the servo cutout with the output shaft to...

Page 23: ...moved up or down for more or less control throw 3 Thread brass coupler half way into ball link Note There are two types of 4 40 couplers supplied two are for the throttle and choke pushrods and four a...

Page 24: ...pre installed cable exit tube in the rear of the fuse toward the front of the fuse Repeat for other side Note Loop or tape cable to fuse to prevent cable from being pulled into fuse 9 Pull the rudder...

Page 25: ...low the rudder cable to pass through brass swage easily 12 Thread cable through brass swage tube 13 Thread cable through the threaded coupler hole and back through the brass swage tube as shown 14 Loo...

Page 26: ...ess cable as shown 18 A drop of thin CA may be applied to the swage tube to help secure the cable 19 Attach ball links to the rudder servo arm and then attach the servo arm to the rudder servo as show...

Page 27: ...e On metal geared servos use blue Loctite for all Servo arm mounting screws 22 Tape the rudder balance tab to the top leading edge of the vertical fin in the neutral position as shown This ensures the...

Page 28: ...28 24 Follow the same steps for the opposite side of the rudder as shown below Rudder pull pull as sembly is now complete...

Page 29: ...ble inci dence The front L bracket mounting tab has been made to slide up to provide 1 degree of positive incidence I plywood spacer has been installed in the bottom of the L bracket mount Aligning th...

Page 30: ...Note 180 in oz digital metal geared servos are recommended Servo selection can be the difference between a great flying model and a model that will crash Always use brand name high quality servos 7 I...

Page 31: ...drop of thick CA glue on each screw to prevent screws from loosening due to vibration as shown Note CA glues have a fast drying time Remember to work quickly 3 Correct installation of ball link to ser...

Page 32: ...Pass the 6 32 x 15mm bolts through the hole at the front of the stab and the 6 32 x 20mm bolts through the hole at the rear of the stab and into the L brackets as shown Use the 6 32 lock nut to secure...

Page 33: ...as shown 5 Apply blue loctite to the 6 32 mounting bolts as shown Use 10mm bolt for the rear bracket and 15mm bolt for the front bracket 6 Bolt the stab to the fuse as shown below Be careful not to o...

Page 34: ...wn 2 1 degree of positive incidence can be achieved by pushing the stab to the very top of the mount ing slot This stab location is recommended for towing purposes To help raise the tail due to the we...

Page 35: ...the 4 40 bolt and nut to mount the flying wires to the top of the rudder as shown Mount ing hole has been predrilled Stab Flying Wire Installation 1 Gather the following items shown below 3 4 40 moun...

Page 36: ...res are the correct length pass the 4 40 mounting bolt through the top of the stab as shown 6 Pass the 4 40 mounting bolt through the bottom flying wire stab mount and install the 4 40 nut as shown 7...

Page 37: ...wisting the stabs The fly ing wires should be adjusted so they are only able to move about 1 2 back and forth or until the stabs have no play in any direction 10 Stabilizer assembly is now complete 8...

Page 38: ...front landing gear mount 1 Gather the following items shown below for the main landing gear assembly 2 Landing gear struts 2 Shock absorbers 1 Shock mount 2 Rubber tires 2 Rear landing gear strut mou...

Page 39: ...ll the remaining landing gear strut following the previous mounting instructions 8 Slide the 6 32 mounting bolt through the front landing gear mount Install the brass spacer as shown below 5 Slide the...

Page 40: ...below 11 Attach shock to shock mount using a 6 32 bolt and lock nut as shown 12 Secure the shock to the landing gear strut with a 6 32 bolt and lock nut as shown 9 Slide shock mount onto the bolt fol...

Page 41: ...allation of shocks shown below 15 Gather the two stock wheels two wheel spacers four wheel collars two hub caps and six hub cap mounting screws as shown 16 Slide one of the wheel spacers onto the axle...

Page 42: ...ten the wheel collar set screw 19 Using the 3 mounting screws mount the hub cap as shown below 20 Repeat the wheel mounting steps for the follow ing side Stock wheel installation is now com plete 17 S...

Page 43: ...onto the axle Tighten the wheel collar set screw Optional Tundra Tire Installation 1 Gather the optional Tundra tires and mounting hardware as shown below 2 Tundra Tires 2 Wheel collars 2 Spacers 2 H...

Page 44: ...ounting screws before inserting in the pre drilled holes Note CA glues have a fast drying time Remember to work quickly 1 Gather the tail wheel parts shown below 1 Tail wheel assembly 1 Tail wheel lea...

Page 45: ...e steering springs 5 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 Note CA glues have a fast drying tim...

Page 46: ...46 10 Repeat spring installation for other side 11 Bottom view of completed tail wheel installa tion 9 Twist spring end tight with pliers...

Page 47: ...raft Mounting distance from front of firewall to front of engine prop hub 7 7 8 ENGINE INSTALLATION 3 Locate the laser cut engine mounting template mounting plates for either the DA 50 or DLE 55 If ot...

Page 48: ...xt step 9 Pass the engine mounting bolts through F1 as shown below Make sure a large fender washer is installed to prevent the mounting bolts from crushing F1 6 Gather the engine mounting template and...

Page 49: ...to give the correct right thrust 12 Slide a fender washer 1 4 standoff and another fender washers onto the bolts as shown Note Fender washers are not included with the kit 13 Install the DA 50 engine...

Page 50: ...ounting trays the throttle and choke servos servo arms and pushrod parts as shown below 2 4 40 metal rods threaded at one end 4 4 40 ball links and hardware 4 Brass spacers 2 4 40 threaded solder coup...

Page 51: ...rm with the 4 40 ball link 5 Gather the supplied throttle servo mount as shown It may be necessary to remove the bot tom corner of the mount 6 Test fit throttle servo mounting box in the fuse as shown...

Page 52: ...minute epoxy to the servo mounting box as shown 10 Assemble brass threaded coupler to 4 40 ball link and ball link and brass spacer to the servo arm as shown below 11 With servo arm still 90 degrees...

Page 53: ...e recommend a high quality Silver Solder like Sta Brite silver solder 12 Remove pushrod from throttle arm on carburetor and cut throttle pushrod to length 14 Lightly sand end of pushrod for best bond...

Page 54: ...ervo or rod does not bind or jam at closed or full open positions 18 If a manual choke will be installed gather the choke pushrod ball link wheel collar and nylon ties as shown Wheel collar and ties a...

Page 55: ...55 20 Location of manual choke pushrod shown be low...

Page 56: ...se a 1 4 bit to drill the ignition module mounting holes 4 Thread nylon tie through mounting holes 5 Roll the supplied foam rubber to make a 4 layer pad as shown Make the pad slightly larger than the...

Page 57: ...ehind firewall with ny lon tie and foam padding 8 Mount ignition regulator as desired Secure all connectors with tape safety clip or similar 9 Switch holes are precut inside of fuse as shown below 10...

Page 58: ...58 11 Finished switch and regulator installation shown below...

Page 59: ...supplied brass fuel barbs Solder a brass fuel barb to the fuel line pick up tube This will keep the weight of the fuel clunk from pull ing the fuel line off the brass tube Note No brass barbs are requ...

Page 60: ...t tube into rubber stopper and bend upward Note No brass barbs are required for the air vent tube 7 Install the fuel tubing and clunk Secure the fuel tubing with nylon ties to the pick up tube and clu...

Page 61: ...n ties Note The fuel T and fuel filter are not supplied but are available through Aeroworks 2 Install a short piece of fuel line and the fuel T to the fuel pick up tube Note Using a heat gun to soften...

Page 62: ...rubber pad for fuel tank to rest on Foam rubber will help prevent fuel from foam ing or getting air bubbles from engine vibration 7 Install the tank Run the fuel pick up line to the engine Secure the...

Page 63: ...and drill bits as shown below Note We recommend you start with a smaller size drill bit then increase the bit size to the correct size to fit your filler dot This will help prevent the fuse side from...

Page 64: ...15 Feed vent line tubing through bottom of fuse Cut off excess fuel line Note Place a zip tie around the vent line as shown Be careful not to tighten the zip tie to the point of closing the vent line...

Page 65: ...l able through Aeroworks This muffler will fit fully enclosed in the cowl Pitts Muffler Installation 2 Install pitts muffler using mounting bolts sup plied with muffler Note Use blue loctite on muffle...

Page 66: ...e covering around the hot air exit holes 3 Remove the 4 Phillips head screws holding the canister hatch in place CANISTER INSTALLATION Canister Installation Gather the canister muffler parts as shown...

Page 67: ...mount as shown 6 Install the canister mount in the fuse Allow ep oxy to fully cure before moving on to the next step 7 Canister mount viewed from front as shown be low 4 Remove engine from mounts as s...

Page 68: ...nts 11 Secure the header in place using the mounting bolts and gasket provided with your engine Use blue Loctite to secure the bolts 12 Reinstall canister hatch as shown 8 Assemble the canister to the...

Page 69: ...69 13 Canister installation is now complete...

Page 70: ...the provided template material to the bot tom of the fuse as shown below 3 Align the template to the bottom of the fuse as shown Mark the location of the template on the fuse 4 Mark Cowl Side on the t...

Page 71: ...ts to the cutout to get it to fit properly 8 Install muffler and enlarge template to accom modate muffler opening as shown below 9 Align template with bottom of cowl Use a felt tip marker to transfer...

Page 72: ...four 4 40 mounting bolts and four 6 bonded washers Cowl Installation for Canister Muffler 1 Cut a strip of the template long enough to reach header pipe Tape this strip to the side of the fuse 2 Mark...

Page 73: ...of cowl Use a felt tip marker to transfer the template cutout pattern to the cowl and mark cut location Note Pay close attention to the marker you choose Some permanent markers may not be easily remov...

Page 74: ...he radio bay near the door for easy access as well as improved scale appear ance Switch locations have been precut inside the fuse as shown below It may be necessary to enlarge or modify hole to accom...

Page 75: ...ain the scale appearance of airplane 7 Typical radio installation shown below Note If models CG is tail heavy move batteries forward If models CG is nose heavy move batteries to the rear 8 Reinstall d...

Page 76: ...lication fluid like Rapid Tac Also a solution of 1 drop of dish detergent to a cup of water sprayed on the model will as sist in proper positioning Note Clean surface and tighten all covering before a...

Page 77: ...he covering as shown 8 Remove backing from decal sheet 5 Position fuselage decal as shown below Mark location where N numbers cross the black strip on the fuse 6 Remove portion of fuse strip that will...

Page 78: ...transfer tape with out removing decal Do not leave until completely dry or transfer tape will be difficult to remove 12 Pull transfer tape from top of decal Take care not to pull away or damage decal...

Page 79: ...e the foam pad and attach the middle strut supports using the set pins and cotter pins as shown 3 Secure the aileron and flap connectors with Aeroworks Safety Clip Ensure the connectors will not come...

Page 80: ...acked washers for preparation of mounting the wings 6 Slide the rubber backed washers on the wing mounting bolts and insert bolts through the fuse side and into the wing root blind nuts Tighten snugly...

Page 81: ...e 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 82: ...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 recommended CG of 5 back from the...

Page 83: ...oth 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 wi...

Page 84: ...1 4 or 30 down High Rate Aileron 1 3 4 or 40 up 1 3 4 or 40 down Rudder N A or 45 left N A or 45 right Elevator 2 1 2 or 40 up 2 1 2 or 40 down Flap 1 3 4 or 40 down Recommended Exponential 15 Exponen...

Page 85: ...ed fly ers have lost airplanes due to reversed ailer ons Right roll is right up left down Left roll is left up right down Batteries Transmitter ignition and receiver bat teries are fully charged Faste...

Page 86: ...___ ___________________________________________________________________________ ___________________________________________________________________________ ____________________________________________...

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