Aircraft Modelers Research Giant Stick 85 User Manual Download Page 69

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General notes

A-) Servos. Listed below are the minimal servo strength requirements:

-Ailerons: 100 oz/in.
-Elevators: 100 oz/in.
-Rudder: 160 oz/in.

B-) Initial surface deflections:

-Ailerons: 1 ¼’’ (up/down)
-Elevators: 1 ½’’ (up/down)
-Rudder: 3’’ (left/right)

C-) Initial centre of gravity:

-33% of the wing chord or 8 1/8’’ from the leading edge of wing.

D-) Pictures on next pages of our framed-up/completed prototype.

Summary of Contents for Giant Stick 85

Page 1: ...1 Giant Stick 85 120 wing span 104 fuselage 3 120 Sq In 75 120cc engine www amr rc com Made in Canada...

Page 2: ...nge or modify this warranty without notice Aircraft Modelers Research has no control over the final assembly or materials used for final assembly no liability shall be assumed nor accepted for any dam...

Page 3: ...ce of your completed model and no representations are expressed or implied as to the performance or safety of your completed model Before starting to build use the Part List on the next pages to take...

Page 4: ...etrate deep into the wood fibbers creating a very strong bond We recommend these brands G2 Epoxy kit T88 Epoxy or West Systems They are available from any Aircraft or Marine specialty shops in conveni...

Page 5: ...Cap screws 10 32 x 1 8 Wheels 2 Button Head sc 8 32 x 4 Wheel axels 10 32 x 2 2 Kit Hardware Size Qty Wheel nuts 10 32 4 Wheel washers 10 2 Servo lead tubes 39 3 Alu Tube socket 1 x 32 1 Instruction m...

Page 6: ...48 1 Balsa sticks 3 8 x 3 8 x 48 6 Hardwood 5 8 tria X 48 1 Tail group Balsa sticks x x 48 7 Hardwood horn dowel 5 8 x 5 1 Balsa sheets 3 32 x 4 x 48 2 Balsa leading edge 3 8 x x 36 1 Balsa trailling...

Page 7: ...sa sheeting 1 8 x 4 x 48 15 Balsa cap strips 1 8 x x 48 14 Balsa trailling edge 3 8 x 5 8 x 48 3 Balsa leading edge x 1 x 48 3 Dowels 3 8 x 1 2 Ailerons Hardwood horn dowel 5 8 x 5 1 Laser cut balsa x...

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Page 17: ...17 Giant Stick 85 Fuselage assembly...

Page 18: ...k them so to prevent orientation errors 2 Bond two FD2 doublers over the fuselage sides Align them carefully with the front firewall cavity and the doublers side holes 3 Bond both FD3 at the rear sect...

Page 19: ...6 Bond the front FD1 Use the front cut out and former cavities as alignment references 7 Caution when bonding FD1 This parts is undersized compared to the fuselage bottom 8 Using epoxy bond both fire...

Page 20: ...nting holes using the reference lines on the firewall Ex DA 85 10 Using epoxy laminate two of each F2A s together making two units 11 Using epoxy bond both laminated F2A s into the gear plate GP 12 In...

Page 21: ...Bond both H3 to H1 front hatch 14 Locate F3 two F3A s and F4 parts 15 Using epoxy laminate the two F3A s together 16 Dry fit the F3A assembly between F3 and F4 Slight sanding of the openings may be re...

Page 22: ...ts together 18 Using your engine instruction make the appropriate holes in the firewall for the linkages and ignition system 19 Using epoxy bond the firewall to the bottom section The TOP marking indi...

Page 23: ...or 22 Bond F5 through F9 at 90 degress to the floor Also bond a 3 8 square by 33 long balsa stick on each sides of the floor and against each formers 23 The balsa sticks go from FD1 up to FD4 Bond one...

Page 24: ...8 square balsa sticks to the contour of FD1 edge on both sides for an accurate fit of the fuselage sides Do not bond the fuselage sides yet 27 Locate both WHP1 and both WHP2 parts This is the wing ho...

Page 25: ...ertain that all the internal formers parts fit perfectly and that there is no build up stress in the formers parts The use of structural epoxy is obviously mandatory Prepare multiple wood clamps and a...

Page 26: ...ers internal parts and fit both fuselage sides in place B Right side view of fuselage side Wood clamps omitted for clarity C Notice the abundant use of masking tape while the adhesive fully cures Wood...

Page 27: ...the rear of F5 up to F9 32 Using epoxy bond two 5 8 x 6 long hardwood triangular pieces against the firewall and both fuselage sides and one 5 long piece over the floor firewall joint 33 Bevel sand th...

Page 28: ...FD3A 36 Then bond both FD3C against the saddle flush against FD3B 37 Using epoxy bond between the front fuselage section part H4 This part goes between the front doublers 38 Bond and clamp H2 over H4...

Page 29: ...Secure the hatch H1 using the supplied 8 32 button head screws and install some 8 32 blind nuts under the H5 parts 41 Bond balsa part FC over the fin section as shown 42 Using stock balsa cover FT1 fr...

Page 30: ...30 Giant Stick 85 Tail group assembly...

Page 31: ...7 2 of each 44 Begin by bonding part 7 Carefully align it as it will serve as reference for the other parts 45 Bond part 6 This one also serves as reference 46 Bond the remaining parts as shown Repeat...

Page 32: ...same process for the rudder using the 1 8 Ply RUDDER part and the balsa parts 8 to 12 49 Locate the Ply stab jig parts as shown and set them onto a flat piece or wood Important 50 Tack glue the jig sq...

Page 33: ...wn Set the first two ribs as shown 52 Cut two pieces of x x 18 balsa strips and bond them as shown 53 Bond a strip of 3 32 x 2 x 18 as shown over the rear spar up to the hinge cut line 54 Apply a stri...

Page 34: ...otice that S3 S4 have a small bump into them cap strip imitation 56 The masking tape is added security for not bonding this strip to it 57 Bond a strip of 3 32 x 2 x 18 on the front spar up to each ri...

Page 35: ...in 60 Cover between the elevator section of SR1 S2 with 3 32 balsa 61 Bond the servo plate SM onto SR1 S2 and cover the rest with 3 32 balsa skin Note Bond SM exactly as shown 62 Remove the stab from...

Page 36: ...front leading edge section for now 64 Also do not cover the spar rear section for now They will be covered once the aluminum tubes phenolics are bonded latter on 65 Skin these sections same as above...

Page 37: ...37 67 Skin the underneath portion of S5 S6 68 Same thing for the elevator section of S5 S6 69 Using a small saw cut off the elevator as shown 70 Separated elevator stab panel...

Page 38: ...e elevator stab skins and tip ribs flush Do not cut the extending skins 73 Cut a strip of 3 8 x 1 1 8 x 17 Set aside for now 74 Cut a strip of x 1 1 8 x 17 Bond it flush with the bottom skin This stri...

Page 39: ...st the balsa strip 76 Using a razor plane shave the strip flush with the shim 77 You can see here the strip set higher for the 3 32 skin to be bonded after the aluminum stab tubes are installed perman...

Page 40: ...re marks between these two points 80 Cut ten pieces of 3 8 x 5 8 x 1 balsa 81 Under each marks bond one block as shown Do the same for the elevator Then bond the pre cut 3 8 balsa strip over the front...

Page 41: ...rts to make a block Slide the block as shown 85 Position the SR1 tip over the skins and trace a line over the HM horn mount block 86 Bevel cut the HM block and bond in place Also bond the SR1 tip rib...

Page 42: ...firewall 90 degrees to the horizon and freeze your fuselage to your table so it cannot move 90 Cut two 3 8 phenolics 2 3 8 long and one at 2 Cut two 5 8 phenolics 7 long and one 1 5 8 87 Skin as shown...

Page 43: ...utes 92 Install the phenolics and tubes into the fuselage and slide the tubes in place with their external phenolics Do not bond yet 93 Set both stab in position assuring that the phenolics do not shi...

Page 44: ...bs into alignment is to use a piece of scrap balsa and a modeling pin Picture is self explanatory 97 Once both stabs are aligned tack glue the phenolics in place Be careful of glue runs 98 Using a mix...

Page 45: ...er 100 Bond two small pieces of scrap 1 8 ply to the front 3 8 phenolics S2 ribs 101 Complete the skinning Bond a 3 8 x balsa leading edge and shape it bond the S7 ST wing tip assembly to S6 102 Secur...

Page 46: ...nuts inside the fuselage 104 Bond FD5 fin retainer under the 5 8 central phenolic 104 Trace a centre line on each elevators and bevel them at a 25 degree angle 105 Draw a centre line on each stab pan...

Page 47: ...holes 107 Using a 3 16 drill bit slowly drill the hinge holes The holes must go through the small hinge blocks 108 Install the five Robart hinges per stab elevator panels and verify for proper clearan...

Page 48: ...for the hinges 111 Cut a piece of 5 8 dowel drill a small pilot hole in the centre and bond into the rudder 112 Repeat the same process for the elevator The dowel must be close to S2 and the elevator...

Page 49: ...49 Giant Stick 85 Wing assembly...

Page 50: ...WJ2 as shown and secure them with small nails screws 116 WJ3 parts NOTE Yours have a slot in them to clear the W1 A s 117 Set ribs W1 up to W14 into the jig 115 Locate both root ribs W1 and rib stiff...

Page 51: ...ght panel and W20B snap onto the leading edge of each ribs Glue in place 120 Bond W16 over the trailing edges of each ribs NOTE The writing Right wing goes into rib W3 121 Spread ribs W1 W2 and insert...

Page 52: ...W2 Bond them flush with each ribs 123 Repeat the process for parts W19 124 Bond one W17B over the laminated plate W17 Do the same with W19B 125 Main spar Using epoxy laminate two W21 on each sides of...

Page 53: ...spars near the tip section 127 Bond two 3 8 square balsa sticks in the front rib cavities and two balsa sticks in the rear cavities Scarf joint are also required 128 Bond a strip of balsa hardwood und...

Page 54: ...from the jig Bond three W19A s as shown and against W2 131 Laminate both W24 W25 together 132 Bond the assembly on the outside of W5 This is the main wing tube stopper 133 Bond two parts W23 between...

Page 55: ...h balsa strips 135 Bond one W17A over W17 as shown 136 Bond one W26 shear web between W4 W5 and W27 s between the rest of the ribs rear of spar 137 Slide one cardboard servo lead tube and push it unti...

Page 56: ...alsa skin starting from the middle of the forward balsa stick and over W16 A but joint is required in the sheet near the tip section 140 Do not cover the rear section yet Leave open for now 141 Bevel...

Page 57: ...as shown A but joint in the skin is required near the tip section NOTE See next picture 144 Notice that the skin starts in the middle of the rear 3 8 balsa stick Repeat for the other side You can now...

Page 58: ...n W23 s and W16 using 1 8 balsa 147 Bond one W30 between ribs W2 W3 NOTE Skins omitted for clarity 148 Bond some 3 8 balsa pieces between ribs W1 W2 and W3 149 Prepare a small skin and position as sho...

Page 59: ...the hole in W17 151 Once both skins are bonded the pilot hole should be in the centre 152 Flip the wing upside down Using a drill bit turn it by hand until the small skin is pierced Important 153 Repe...

Page 60: ...small pilot hole in the small skin top side to accommodate a piece of cardboard servo lead tube 156 Fit the tube and cut flush with the skin 157 Now build the left wing panel Then slide the 1 aluminu...

Page 61: ...one side only anti rotation pin 159 Repeat the same process for the rear 3 8 x 1 dowel peg Wing tips An updated wing tip was designed from laser cut 3 8 balsa to save weight and prevent warping due to...

Page 62: ...shown NOTE T1 and T3 must be in line at their root section Use a ruler to achieve accuracy Step 2 Bring the assembly on the centre of rib W14 Use the leading edge as a starting point Then bond two of...

Page 63: ...ur top skin to allow the insertion of a small piece of cardboard servo lead tube for the wing bolts top section only Bond the skin in place afterwards 162 Bond the x 1 leading edge scarf required and...

Page 64: ...rts SL servo lead 165 Bond a piece of 3 8 x 5 8 balsa on rib tips W1 W2 and W3 166 Begin the Right aileron Place the laser cut balsa aileron plate on your table 167 Place some balsa laser cut ribs A2...

Page 65: ...by two A3 s and one AA2 Repeat in the same order for the second square opening Bond in place 170 Cut a strip of 1 8 x x 44 balsa and bond it to the trailling edge Use some sort of weight over the asse...

Page 66: ...a 3 8 x 5 8 x 44 balsa stick over the trailling edge and shape sand it to the aileron contour 174 Bond a x 1 x 44 balsa piece as shown NOTE Bond exactly as shown bottom first 175 Bond a x 1 x 44 balsa...

Page 67: ...they fit perfectly between ribs A3 as shown 177 Apply some glue inside the aileron cavity and press the dowels flush 178 From the wing transpose the hinge locations on the aileron and make a small hol...

Page 68: ...ection of this manual 181 Properly done the aileron will have a full 25 degree of deflection up down 182 Align the wing over the fuselage and drill four holes Insert two 20 x 3 cap screws in the front...

Page 69: ...ns 100 oz in Elevators 100 oz in Rudder 160 oz in B Initial surface deflections Ailerons 1 up down Elevators 1 up down Rudder 3 left right C Initial centre of gravity 33 of the wing chord or 8 1 8 fro...

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