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Construction Guide

© 2019 Craig Clarkstone.  All rights reseved

4th Generation Jet Fighter

© 2016 Craig Clarkstone.  All rights reseved

 Parkjet 

mk2

A-10 Thunderbolt II

Fairchild

Summary of Contents for Fairchild A-10 Thunderbolt II Parkjet mk2

Page 1: ...Construction Guide 2019 Craig Clarkstone All rights reseved 4th Generation Jet Fighter 2016 Craig Clarkstone All rights reseved Parkjet mk2 A 10 Thunderbolt II Fairchild ...

Page 2: ...air support aircraft The A 10 is perhaps best known for its fearsome GAU 8 Avenger 30mm gatling gun firing armor piercing depleted uranium and high explosive incendiary rounds The A 10 Thunderbolt II has excellent maneuverability at low air speeds and altitude and is a highly accurate and survivable weapons delivery platform The aircraft can loiter near battle areas for extended periods of time and...

Page 3: ...Construction ...

Page 4: ...l drag and spoil the foam I find the stanley knife perfect make the straight edge cuts then the curved parts freehand 5 Once the parts are cut out keep the template stuck to the part until just before needed to help identify the parts 6 After use I find it helpful to keep all the used tempates in case replacement parts need making the glue eventually dries and they don t stick together Glueing parts...

Page 5: ...Glue the 3mm liteply Forward retract parts together and then to the Retract support panel All versions Glue Bulkhead 1 and Bulkhead 2 to the assembly All versions Page 5 A 10 Thunderbolt II ...

Page 6: ...ly as a guide crush bend the forward fuselage bottom Use the edge of a table and compress the edge of the foam sheet while bending so that it crushes the underside rather than snaps the topside Practice on a few scraps first All versions Page 6 A 10 Thunderbolt II 1st Compress forward 2nd Push down while pushing forward Creases crushes on this edge Edge of Table etc ...

Page 7: ...lage sides choose either 3D printed Nacelles or not Cut to suit Glue the Cockpit support sides in place All versions All versions Page 7 A 10 Thunderbolt II Carefully crush bend the fuselage sides as shown ...

Page 8: ...Glue the components together as shown All versions All versions Page 8 A 10 Thunderbolt II Glue Bulkhead 3 and Bulkhead 4 to the assembly ...

Page 9: ...All versions Page 9 A 10 Thunderbolt II For the non 3d printed version Glue the 3mm Liteply Motor spar to the assembly Glue the Tail reinforcement piece in place as shown Non 3D printed ...

Page 10: ...e you fix the EDF s in place For the 3D printed twin pusher version print out the parts and glue together using UHU por Use twin racing quad motors 4s and 5 contra rotating props Run the cables through the cable slot you may want to extend the cable length before you fix the motors in place I suggest you use a drop of hot melt glue to hold the motor mounts in place so that you can remove them easily...

Page 11: ...un the motor cables through the channels cut for them Single Pusher only 3D printed 3D Printed Part 3D Printed Part optional Twin EDF only 3D printed For the tail pusher version simply glue the nacelle parts together using UHU por ...

Page 12: ...Page 12 A 10 Thunderbolt II Laminate all the pieces of the nosecone together Sand to shape Glue the forward canopy support to the assembly All versions All versions ...

Page 13: ...osecone to the assembly using the nosecone aligner to locate it 3D Printed Part 3D Printed Part optional All versions All versions Alternatively print the 3D printed nosecone and glue to the assembly using the nosecone aligner to locate it ...

Page 14: ...e 14 A 10 Thunderbolt II Carefully crush bend the Lower wing piece so that the wing crank is the same angle as the wing spars Glue the Canopy Magnet support panel to the assembly All versions All versions ...

Page 15: ...s into the slots Ensure a good bond to the cranked wing spars Glue the four cranked Wing spars in place using epoxy These can be lite ply or 3d printed plastic The bottom of the wing spar should be aligned flush with the underside of the wing and protrude 6mm above the top of the wing All versions All versions 3D Printed Part 3D Printed Part optional ...

Page 16: ...bilisers Use masking tape to contain the epoxy and give a smooth finish Coat both surfaces with UHU Por and carefully stick together I suggest that you use pencils to hold the glued wings apart while you align them Start at the centre and work outwards All versions All versions ...

Page 17: ...e elevators and elevator hinges Do not glue at this stage I like to use graupner mini hinges All versions All versions x Glue the 6mm carbon spar into the horizontal stabiliser Use masking tape to contain the epoxy and give a smooth finish ...

Page 18: ...er the two ends into the hole in the ball You may need to file the piano wire a little to get them to fit Use wet n dry to rub away any excess solder All versions 3D Printed Part 3D Printed Part optional All versions Alternatively 3d print this connector Bend 0 5mm piano wire into shape and glue together using epoxy ...

Page 19: ...vement Use a scrap piece of 6mm tube to shape a concave trailing edge to the horizontal stabiliser in order to get a nice fit with the elevators Glue the piano wire control arm into the elevators and then glue the elevators to the horizontal stabiliser All versions All versions 3D Printed Part 3D Printed Part optional ELEVATOR H STAB ...

Page 20: ...he wing assembly into the fuselage Orientate correctly mark its position on the wings with a pencil Slide out of centre apply epoxy to the areas that will be in contact when correctly aligned Slide the wing back into place Wipe off excess glue View from underneath ...

Page 21: ...Page 21 A 10 Thunderbolt II All versions All versions Sand the Wing supports to shape Glue the wing supports to the intersection between the fuselage and wing as shown ...

Page 22: ...I Alternatively trim back the wing 14mm and glue on the 3d printed winglets Glue the winglets to the wing tips as shown Sand to shape to represent the real plane All versions All versions 3D Printed Part 3D Printed Part optional ...

Page 23: ...Page 23 A 10 Thunderbolt II Laminate the tail cone pieces together All versions All versions 3D Printed Part 3D Printed Part optional Alternatively you can 3D print a nosecone ...

Page 24: ...required to elevator control horn clearance All versions All versions Epoxy the horizontal stabiliser assembly onto the fuselage Use the tab to achieve correct alignment In top view ensure that the horizontal stabiliser is mounted 90 degrees to the centreline of the fuselage ...

Page 25: ...gether and then glue to the Wheel shroud assemblies Alternatively you can 3d print nosecones All versions All versions 3D Printed Part 3D Printed Part optional Glue the Wing wheel shroud bulkhead and the Wing wheel inner and outer sides together make two mirrored assemblies ...

Page 26: ...te ply motor mount spar All versions Twin Pusher only Non 3D printed Create a wedge shaped piece of balsa that will incline the plastic stick mount 5 degrees when mounted to the underside of the lite ply motor mount spar Hobbyking OR004 00602 There are 3d print versions available see website ...

Page 27: ...m using epoxy to the ply and hot melt to the EDF unit Twin EDF only Non 3D printed Cut the EDF motor spar out of 3mm lite ply Use the jig to position the EDF units at the correct vertical position and angle Hold the EDF units in place using hot melt glue Twin EDF only Non 3D printed ...

Page 28: ... collisions A scale sized nosewheel would be between 55 and 65mm diameter All versions All versions Mount the front undercarriage screwing to the 3mm lightply in the fuselage I used a 3mm hardened steel rod A scale sized nosewheel would be between 40 and 45mm diameter HobbyKing HK 15094M HobbyKing HK 15094M ...

Page 29: ... or Twin ESC s so that they align with the aperture in the belly panel to allow cooling I recommend if you are using retracts to run them on a separate BEC to avoid dip in voltage to the RX Connect the retracts and servos as as shown Rebate the servo leads into the wing ...

Page 30: ...Page 30 A 10 Thunderbolt II View from above All versions All versions Glue the wing wheel shrouds to the wing and adjust the retracts wheels to fit ...

Page 31: ...then sand to an aerofoil shape see below All versions Trim away the depron to accommodate the cables to the ESC For the single pusher version cut a hole at the end of the fuselage belly panel and run the ESC cables through Stick on the belly panel single pusher exit hole All versions ...

Page 32: ...otor mount to the motor slide the motor assembly into the base Use a few drops of hot melt glue to hold it in place but not too much to prevent it from easily being removed if needed Glue the tail cone on to the fuselage 3D Printed Part 3D Printed Part optional 3D Printed Part 3D Printed Part optional All versions All versions ...

Page 33: ... trim the wingtip by 14mm and glue the 3d printed winglets on Page 33 A 10 Thunderbolt II Sand the top edges of the wingtips to give that A 10 shape 3D Printed Part 3D Printed Part optional All versions All versions ...

Page 34: ...Shape the ailerons into an aerofoil shape like shown Page 34 A 10 Thunderbolt II Trim away the ailerons from the wing All versions All versions ...

Page 35: ...e 35 A 10 Thunderbolt II Glue the reciever in place in the fuselage above the wing I like to extend a bind wire into the cockpit area in case I need to re bind the RX That way I wont need to cut open the fuselage I simply use a servo extension lead All versions All versions ...

Page 36: ...derbolt II Glue the ailerons back onto the wing Make a servo horn and connect the servo to it using piano wire The throw of the aileron needs to be 30 degrees View from top View from underside All versions All versions ...

Page 37: ...inted nacelles then simply cut away the area that has been replaced by the 3d printed part Page 37 A 10 Thunderbolt II Stick 2 lengths of 20mm wide 6mm depron along the top edges of the fuselage as shown A single length can be used behind the nacelles Later the fuselage will need to be sanded like this All versions All versions ...

Page 38: ...n For the 3d printed nacelles simply trim off the tab and glue over the centreline Page 38 A 10 Thunderbolt II Glue the vertical stabilised in place using epoxy Ensure that they are glued 90 degrees to the horizontal stabiliser All versions All versions ...

Page 39: ...oining depron onto the sticking up magnet to impress shape 7 Repeat steps 2 4 for the upper part Rare earth Magnet 4 Whilst still wet lay masking tape over the area IMPORTANT Before glueing the upper magnet in check that the magnet is the right way around depron spacer 3mm lite ply tongue Magnets 3D Printed Part 3D Printed Part optional All versions attachment process Create the canopy in the same...

Page 40: ...es using 3mm depron or use a 1litre fizzy water bottle trimmed to size to create the Nacelle shape Glue the Nacelle bridge and Nacelle bridge supports together Shape the forward edge and glue to the assembly as shown Non 3D print versions Non 3D print versions ...

Page 41: ...the rings to the bottle and then sand to shape to give the look of the A 10 If you have chosen to use a plastic bottle to create your nacelle you will need to create a soft leading edge To do this create two depron rings in one to sit inside and one to sit in front of the bottle ...

Page 42: ...lue the lower fins in place as shown Assembly the avionics pod and glue to the fuselage as shown All versions with Retracts All versions with Retracts 3D Printed Part 3D Printed Part optional 3D Printed Part 3D Printed Part optional ...

Page 43: ...per stuck down with UHU por Congratulations You have completed You re A 10 Warthog Carefully cut the nacelles to slide over the plywood spar and butt up to the nacelle supports The pieces will need some finer shaping to ensure a good fit Once butted use UHU por to hold in place Hot melt glue will distort the plastic bottle ...

Page 44: ...Page 44 A 10 Thunderbolt II Use photo s to help shape Your model to represent the real plane ...

Page 45: ...tions on the original plane The thrust angle is inclined to intersect the Centre of Lift see diagram below If you hand launch with full thrust the plane may not lift into the air as the downwards thrust will overcome the lift generated at slow speeds of a hand launch Therefore launch the plane at 50 throttle until it gains speed then it will be fine If you are taking of using retracts there shouldn...

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