SG Models MASTER MSK01.174 Assembly Manual
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SG Models MASTER MSK01.174 Assembly Manual

Cessna 152 aerobat 80", 20cc
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ASSEMBLY MANUAL
Speciications:
Wingspan------------------------ 79.9 in----------------------- 203.0 cm.
Wing area------------------------ 911.4 sq.in------------------ 58.8 sq.dm.
Weight---------------------------- 9.9 lbs----------------------- 4.5 kg.
Length---------------------------- 55.9 in----------------------- 142 cm.
Recommended engine size --- 20cc.
Radio System required 5 channels with 8 servos.
Code : MSK01.174
0.91 cu.in / 2 stroke.
1.00 - 1.25 cu.in / 4 stroke.
1

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  • Page 1 Code : MSK01.174 ASSEMBLY MANUAL Speciications: Wingspan------------------------ 79.9 in----------------------- 203.0 cm. Wing area------------------------ 911.4 sq.in------------------ 58.8 sq.dm. Weight---------------------------- 9.9 lbs----------------------- 4.5 kg. Length---------------------------- 55.9 in----------------------- 142 cm. Recommended engine size --- 20cc. 0.91 cu.in / 2 stroke. 1.00 - 1.25 cu.in / 4 stroke. Radio System required 5 channels with 8 servos.
  • Page 2 Instruction Manual. Master Scale Kit Edition Cessna 152 Aerobat 80”, 20cc INTRODUCTION - Congratulations and thank you for purchasing the Master Scale Kit Edition Cessna 152 Aerobat 80”, 20cc We are pleased to bring you this scale Cessna 152 Aerobat 80”, 20cc. with this kit you can achieve whatever level of detail you like.
  • Page 4 Instruction Manual. Master Scale Kit Edition Cessna 152 Aerobat 80”, 20cc...

  • Page 5: Die-Cut Patterns

    DIE-CUT PATTERNS 2mm balsa plywood 900mmx100mm (1 per kit) 3mm balsa plywood 900mmx250mm (1 per kit) 3mm balsa plywood 900mmx250mm (1 per kit) 3mm balsa plywood 900mmx100mm (1 per kit) 8mm balsa 230mmx100mm(1 per kit) 2mm plywood 400mmx100mm(1 per kit)
  • Page 6 Instruction Manual. Master Scale Kit Edition Cessna 152 Aerobat 80”, 20cc DIE-CUT PATTERNS 2mm balsa plywood 900mmx100mm (2 per kit) 2mm balsa plywood 900mmx100mm (2 per kit) 2mm balsa plywood 900mmx100mm (2 per kit) 2mm balsa plywood 900mmx100mm (1 per kit) 2mm balsa plywood 900mmx100mm (1 per kit)
  • Page 7 DIE-CUT PATTERNS 2mm balsa 900mmx100mm (2 per kit) 2mm balsa 900mmx100mm (2 per kit) 2mm balsa 900mmx100mm (2 per kit) 2mm balsa 900mmx100mm (2 per kit) 2mm balsa 900mmx100mm (2 per kit) 2mm balsa 900mmx100mm (2 per kit) 2mm balsa 900mmx100mm (2 per kit)
  • Page 8 Instruction Manual. Master Scale Kit Edition Cessna 152 Aerobat 80”, 20cc DIE-CUT PATTERNS 2mm balsa plywood 900mmx100mm (2 per kit) 2mm balsa plywood 900mmx100mm (1 per kit) 2mm balsa plywood 900mmx100mm (1 per kit) 2mm balsa plywood 950mmx100mm (1 per kit) 2mm balsa plywood 900mmx100mm (1 per kit) 2mm balsa plywood 900mmx100mm (2 per kit) PREPARE BEFORE BUILDING...
  • Page 9 THE FUSELAGE As if you were sitting in the cockpit and dis- tinguish let side and right side of model . NOTE: Regulations for the right side. It is small point which was marked on each former and fuselage side. * Firewall Locate and assemble 3 layers of engine mount include F1, F1A and F1B in order by epoxy as...
  • Page 10 Instruction Manual. Master Scale Kit Edition Cessna 152 Aerobat 80”, 20cc * Assemble hard- wear to the position of holes were drilled available on Firewall (Engine mount and Nose Gear mount), Landing Gear mount, Antenna mount, Bottom Hatch tab, Strut mount. Locate and assemble Pronged T-Nuts M4 to engine holes of F1(irewall) ;...
  • Page 11 Finished SH1 (let fuselage side) and SH2 (the right fuselage side) as (photo 11). Locate and assemble SW1 to let fuselage side as photo shown (Photo14,15). hen, locate and assemble SW2 to right fuselage side by epoxy glue. Locate and assemble S2 to SH2 (right side) by epoxy as photo shown (photo 12,13).
  • Page 12 Instruction Manual. Master Scale Kit Edition Cessna 152 Aerobat 80”, 20cc First, reinforce the triangle at two angle inside (perpendicular angle of MO3 and MO4) as photo shown. hen, measure the length of electric motor, so that adjust and locate position of MO1. his time, reinforce the triangle at two angle inside (perpendicular angle of MO1 and MO4).
  • Page 13 Pick some parts as shown (photo 22). Include Locate and build F3 into assembly SH1, S1 as SH1, SH2, F3B, F5, F6, F7, F8, F9, F18. (Photo 25). Locate and assemble F7 to F18 as (Photo 23). Locate and build F4, F5 into assembly SH1, S1, F18 as (Photo 26 and 27).
  • Page 14 Instruction Manual. Master Scale Kit Edition Cessna 152 Aerobat 80”, 20cc Locate and assemble F8, F9 as (Photo 29). Locate and assemble F4A as (Photo 32). Locate and assemble F17 as (Photo 30). Locate and assemble F7A as (Photo 33). Locate and assemble F6A as (Photo 31).
  • Page 15 Locate and assemble F25 as (Photo 35). Locate and assemble FS1 as (Photo 38). Locate and assemble F2 as (Photo 36). Locate and assemble F1 as (Photo 39). Locate and assemble F3A as (Photo 37). Locate and assemble the former, one ater another in order F10- F15 as (Photo 40).
  • Page 16 Instruction Manual. Master Scale Kit Edition Cessna 152 Aerobat 80”, 20cc Locate and assemble F20 (the mount of the stabilizer) are shown as (Photo 43). Attach the aluminum square tool bar to the square hole at each former. It is through along to fuselage to adjust to fuselage straight.
  • Page 17 Locate and assemble F23 shown as (Photo 47). Locate and assemble two triangle balsa bars to reinforce F6, F7 shown as (Photo 50). Locate and assemble F26 shown as (Photo 48). Locate and assemble F35 (the mount of landing gear) to area at between F6 and F7 by epoxy glue shown as (Photo 51,52).
  • Page 18 Instruction Manual. Master Scale Kit Edition Cessna 152 Aerobat 80”, 20cc Locate and assemble triangle balsa bar (2 pcs) Locate and assemble F34 (the mount of strut) at to reinforce F6, F7 and F35 shown as (Photo 53) to let side and right side as (Photo 56). ensure hardly for the mount of landing gear.
  • Page 19 Locate and assemble F27 (the mount of bolt for Locate and assemble as the plan drawing for the fuselage hatch) as (Photo 59). top fuselage hatch and the bottom fuselage hatch. (Photo 62). Locate and assemble two triangle balsa bars Locate and assemble H5 (washer ring) and the at two side to reinforce F1 and fuselage side as spring pin for the top fuselage hatch.
  • Page 20 Instruction Manual. Master Scale Kit Edition Cessna 152 Aerobat 80”, 20cc Light sanding F37 (2pcs) .hen, assemble F37 at area intersect to the stabilizer so that increase thickness at this intersection place, ensure strong to mount stabilizer. (Photo 67,68). Locate and assemble the iberglass tunnel (2pcs) for wing tube go through at fuselage.
  • Page 21 Bend the balsa sheet go to the curve of top area. hen, add CA glue and use the inger at this place until the glue dries as photo shown. Do the same for the other half of the top area, so that the balsa sheet keep ixed fuselage.
  • Page 22 Instruction Manual. Master Scale Kit Edition Cessna 152 Aerobat 80”, 20cc Put the sheet SH3 at area of fuselage as photo Put the sheet SH5 at area of fuselage as photo shown (photo 76). shown (photo 79). Bend the balsa sheet go to the curve of bottom area.
  • Page 23 Prepare some balsa sheet as (Photo 85). Put the sheet SH1 at area of fuselage as photo shown (photo 83). Bend the balsa sheet SH1 go to top area and to- Locate and assemble SH9 as (Photo 86). ward area. hen, add CA glue and use the inger at this place until the glue dries as photo shown.
  • Page 24 Instruction Manual. Master Scale Kit Edition Cessna 152 Aerobat 80”, 20cc THE WING * Prepare the trailing edge at of wing. Locate and apply W34 (2pcs) to W35 by epoxy as photo shown (photo 1 and 2). NOTE: Apply to assemble trailing edge wing let and trailing edge of wing right are symmetrical to each other.
  • Page 25 Locate and apply W20 (2pcs) to W2 by epoxy as photo shown (photo 4,5). NOTE: Apply to assemble ribs of wing let and ribs of wing right are symmetrical to each other. Attach the Pronged T-Nut M3 at hole available on the mount of wing strut.
  • Page 26 Instruction Manual. Master Scale Kit Edition Cessna 152 Aerobat 80”, 20cc Locate and assemble W2 to W13 with W28 (main wing spar) by CA glue as shown photo (Photo 10,11,12). Locate and assemble leading edge W27 and trailing edge W31, W34 by CA glue as shown photo (Photo 13,14,15,16).
  • Page 27 Locate and assemble cap strip stock W29 by CA glue as shown (Photo 17). Locate and assemble the mount of Flap’s servo W22 by CA glue as shown (Photo 21). Locate and assemble rib of tip W14, W15 by CA glue as shown (Photo 18).
  • Page 28 Instruction Manual. Master Scale Kit Edition Cessna 152 Aerobat 80”, 20cc Locate and assemble the lock of wing tube W21 Locate and assemble wing tube. Light sanding to W4, W5 by CA glue as shown (Photo 24). the wing tube to it can through to holes easily as photo shown (photo 27,28).
  • Page 29 Sanding around at weld places for avoid rough Cover sheet W37 at bottom, and W36 at top ( so that covering sheet easily (photo 30). Photo 33). * Finishing he Outer Wing Panels. Weld two parts of W38 together to become a sheet (Photo 34).
  • Page 30 Instruction Manual. Master Scale Kit Edition Cessna 152 Aerobat 80”, 20cc Weld two parts of W38A together to become a Finish cover sheet for wing at bottom as sheet (Photo 36). (photo 39). Cover sheet W38A to wing at Aileron servo as Weld two parts of W39 (1) and W39 (2) together (photo 37).
  • Page 31 Finish cover sheet for wing at top as (photo 42). Locate and assemble the aileron (ribs WA7, ribs WA8 to sheet WA9) as (photo 45,46). Cover sheet W42 to wing tip at bottom as (photo 43). Locate and assemble 6x6 balsa stick (Leading edge of Aileron) .hen, cover sheet WA10 at rest side.
  • Page 32 Instruction Manual. Master Scale Kit Edition Cessna 152 Aerobat 80”, 20cc Finish cover sheet as (photo 51). Locate and apply sheet W11and W12 at two sides of Leading edge as (photo 48,49,50). Locate and assemble the lap (ribs WA1, ribs WA2, to Leading edge of lap WA3) as (photo 52).
  • Page 33 Locate and apply W1 to W2. And then set up wing to fuselage by sanding until itting (no gap between wing and fuselage). (Photo 58). Cover sheet WA6 at rest side. And then use heavy lat thing pressed on Flap until epoxy dries to ensure it is not warped as (photo 56).
  • Page 34 Instruction Manual. Master Scale Kit Edition Cessna 152 Aerobat 80”, 20cc Assemble the wing servo mount by epoxy glue. Sanding rounded leading edge area until the (Photo 64,65,66). shape seamless W1 as (Photo 61). Take the mark for hinge’s position of Aileron and sawn the slot of hinge.
  • Page 35 Weld two parts of sheet ST10 to become one. THE STABILIZER AND ELEVATOR Sanding around frame to remove the rough. hen, cover the sheet ST10 from direction ST3-ST2-ST1. Cover for top and bottom of Stabilizer by CA glue Locate and assemble one ater another one from as (photo 4,5,6).
  • Page 36 Instruction Manual. Master Scale Kit Edition Cessna 152 Aerobat 80”, 20cc First, assemble 6 paper hinges to stabilizer. hen, Locate and assemble ST18 by CA glue. (Photo 8). link to elevator. (Photo 11). Add little epoxy to all ribs and cover sheet ST20 at the rest side.
  • Page 37 Locate and assemble rib T18. hen, assemble rib T10 by epoxy glue. (Photo 2). Weld two parts of sheet T22 to become one as (photo 6). Locate and assemble rib T8 and T9 by epoxy glue. (Photo 3). Locate and apply sheet T22 as (photo 7). Locate and assemble one ater another one from ST11 –...
  • Page 38 Instruction Manual. Master Scale Kit Edition Cessna 152 Aerobat 80”, 20cc Locate and apply sheet T23 (2pcs) at two sides Locate and assemble rib T3, T4 to center rib as (photo 8). strip T1. hen assemble T2 (bottom piece) as (photo 11).
  • Page 39 Locate and assemble one ater another one from T26 – T32 into leading edge of rudder T24 as (photo 14, 15). Take the mark for hinge’s position of rudder and sawn the slot of hinge. Note: cut of the slot it so that avoid so wide cause CA hinge will fall out.
  • Page 40 Instruction Manual. Master Scale Kit Edition Cessna 152 Aerobat 80”, 20cc Put the stabilizer on the fuselage and go on SET UP THE FIN AND THE sanding at intersection area until the stabilizer it STABILIZER TO THE FUSELAGE to the fuselage as (photo 4,5). Locate and assemble the tap of in to the fuselage at center and straight (not devited center line) as (photo 1).
  • Page 41 Attach rudder to in as (photo 8). ASSEMBLE THE PLASTIC SCALE PART TO THE FUSELAGE Locate and assemble sheet F36A, F36B to the plastic seat by CA glue. (Photo 1,2,3). Sanding rounded bottom of rudder so that it look like seamless with fuselage.
  • Page 42 Instruction Manual. Master Scale Kit Edition Cessna 152 Aerobat 80”, 20cc Cut of excess plastic part at two sides as (photo 4). Assemble the windshield for window (let and right) and top hatch. Step by step as instruction of (photo 5,6,7,8,9,10). Note: Please do this step ater the model was inished decorate by color Oracover coat.

  • Page 43: Final Assembly

    FINAL ASSEMBLY. NOTE: To avoid scratching your new aero plane we suggest that you cover your work- bench with an old towel. Keep a couple of jars or bowls handy to hold the small parts af- ter you open the bags. Please trial it all parts. Make sure you have the correct parts and that they it and are aligned properly before gluing! his will ensure proper assembly as Master Scale Kit Edition Cessna 152 Aerobat 80”, 20cc is made from natural materials...

  • Page 44: Additional Items Required

    Instruction Manual. Master Scale Kit Edition Cessna 152 Aerobat 80”, 20cc KIT CONTENTS. HINGING THE FLAP 1. Fuselage 2. Wing Set 3. Tail Set 4. Fiberglass Cowling 5. Main Landing Gear 6. Nose Landing Gear 7. Windshield and Window set 8.

  • Page 45: Hinging The Aileron

    HINGING THE AILERON. Note : he control surfaces, including the ai- lerons, elevators, and rudder, are pre- hinged with hinges in stalled, but the hinges are not glued in place. It is im- perative that you properly adhere the hinges in place per the steps that fol- low using a high-quality thin C/A glue.

  • Page 46: Hinging The Elevator

    Instruction Manual. Master Scale Kit Edition Cessna 152 Aerobat 80”, 20cc HINGING THE ELEVATOR. Glue the elevator hinges in place using the same techniques used to hinge the ailerons. 5) Turn the wing panel over and delect the aileron in the opposite direction from the HINGING THE RUDDER.
  • Page 47 INSTALL ELEVATOR CONTROL HORN. Epoxy Aileron control horn. Fiberglass control horn. INSTALL FLAP CONTROL HORN. Install the lap control horn using the same method as same as the aileron control horns. Epoxy Fiberglass control horn. Aileron control horn. Epoxy Epoxy INSTALL RUDDER CONTROL HORN.

  • Page 48: Installing The S Topper Assembly

    Instruction Manual. Master Scale Kit Edition Cessna 152 Aerobat 80”, 20cc Epoxy INSTALLING THE S TOPPER ASSEMBLY 1) Using a modeling knife, carefully cut of the rear portion of one of the 3 nylon tubes leaving 1/2” protruding from the rear of the stopper.

  • Page 49: Fuel Tank Installation

    Fuel tank. Vent tube. Fuel pick up tube. Fuel fill tube. 8) Use balsa block to hold in place the fuel tank with C/A glue to secure the fuel tank 3) Carefully bend the second nylon tube up inside the fuselage. at a 45º...

  • Page 50: Installing The Fuselage Servos

    Instruction Manual. Master Scale Kit Edition Cessna 152 Aerobat 80”, 20cc Blow through one of the lines to ensure Rudder servo arm. the fuel lines have not become kinked inside the fuel tank compartment. Air should low through easily. hrottle servo arm. INSTALLING THE FUSELAGE SERVOS.
  • Page 51 WHEELS AND WHEEL PANTS. Landing Gear. wheel Pant. 1) Assemble and mounting the landing gear, wheels to the wheel pants as shown inthe fol- C/A glue. lowing pictures. 2) Follow diagram below for wheel pant in- stallation: wheel collar. Locker glue. Axle.

  • Page 52: Installing The Main Landing Gear

    Instruction Manual. Master Scale Kit Edition Cessna 152 Aerobat 80”, 20cc 4 mm INSTALLING THE MAIN LANDING 3) Use a drill to drill the four holes in the GEAR. engine mount rails. 1) he blind nuts for securing the landing 4) On the ire wall has the location for the gear are already mounted inside the fuselage.

  • Page 53: Landing Gear Installation

    LANDING GEAR INSTALLATION. A. NOSE GEAR: 1)Locate the items necessary to attach the nose landing gear that are included with your model. hread locker glue. hread locker glue. 8) Move the throttle stick to the closed posi- tion and move the carburetor to closed. Use a 2.5mm hex wrench to tighten the screw that secures the throttle pushrod wire.
  • Page 54 Instruction Manual. Master Scale Kit Edition Cessna 152 Aerobat 80”, 20cc Screw. 4mm hole. Axle. 2)Install landing gear at the top Fuselage. wheel collar. wheel.
  • Page 55 Trim and cut. Screw. Trim and cut. 225 mm M3 clevis. M3 lock nut Install lights at the top Cowling Pushrod. COWLING 1) Please see below pictures then trim and Drill hole 4mm. cut as shown.
  • Page 56 Instruction Manual. Master Scale Kit Edition Cessna 152 Aerobat 80”, 20cc Needle valve Epoxy. Machine screw M3x10mm Because of the size of the cowl, it may be nec- 3) Install the muler and muler extension essary to use a needle valve extension for the onto the engine and make the cutout in the high speed needle valve.
  • Page 57 Blind nut. M4x20mm M3x15mm 4) Attach the motor to the front of the electric motor box using four 4mm blind nut, four M3x15mm hex head bolts to se- cure the motor. Please see picture shown. 150mm Balsa stick. Epoxy. Electric motor.

  • Page 58: Installing The Aileron - Flap Servos

    Instruction Manual. Master Scale Kit Edition Cessna 152 Aerobat 80”, 20cc he propeller should not touch any part of the spinner cone. If it does, use a sharp modeling knife and carefully trim away the spinner cone where the propeller comes in Battery.
  • Page 59 2) Place the servo between the mounting 6) Secure the servo to the aileron hatch using blocks and space it from the hatch. Use a Phillips screwdriver and the screws provided pencil to mark the mounting hole locations with the servo. on the blocks.
  • Page 60 Instruction Manual. Master Scale Kit Edition Cessna 152 Aerobat 80”, 20cc AILERON PUSHROD HORN INSTALLATION. 100mm. M3 clevis. M3 lock nut. Wing M2 lock nut. Aileron 9) Set the aileron hatch in place and use a INSTALLING THE FLAP SERVO. Phillips screw driver to install it with four wood screws.

  • Page 61: Installing The Horizontal Stabilizer

    90mm. M3 clevis. M3 lock nut. Wing 3) Slide the stabilizer into place in the precut M2 lock nut. slot in the rear of the fuselage. he stabilizer should be pushed irmly against the front of the slot. Flap INSTALLING THE HORIZONTAL STABILIZER.
  • Page 62 Instruction Manual. Master Scale Kit Edition Cessna 152 Aerobat 80”, 20cc Trim and cut When cutting through the covering to INSTALLING VERTICAL FIN. remove it, cut with only enough pressure to only cut through the covering itself. Cutting into the balsa structure may weaken it. 6) Using a modeling knife, carefully remove the covering that overlaps the stabilizer mounting platform sides in the fuselage.

  • Page 63: Elevator Pushrod Installation

    Fill epoxy 3) Slide the vertical stabilizer back in place. Using a triangle, check to ensure that the ver- ELEVATOR PUSHROD INSTALLATION. tical stabilizer is aligned 90º to the horizontal stabilizer. 1) Install the elevator control horn using the same method as with the aileron control horns.

  • Page 64: Rudder Pushrod Installation

    2) A scale pilot is included with this ARF. he Seagull Pilot included itting well to the cockpit. (or you can order others scale pilot igures made by SG Models. hey are available at SG Models distributors.) RUDDER PUSHROD INSTALLATION.

  • Page 65: Apply The Decals

    APPLY THE DECALS. 1) If all the decals are precut and ready to stick. Please be certain the model is clean and free from oily ingerprints and dust. Position decal on the model where desired, using the photos on the box and aid in their location. 2) If all the decals are not precut, please use scissors or a sharp hobby knife to cut the decals from the sheet.
  • Page 66 Instruction Manual. Master Scale Kit Edition Cessna 152 Aerobat 80”, 20cc Installation Antenas. ATTACHMENT WING-FUSELAGE. Attach the aluminium tube into fuselage. Antennas. Wing tube. Insert two wing panels as pictures below. INSTALLATION WING- FUSELAGE STRUTS. Wing bolt. Remove covering. Wing.
  • Page 67 Wing. M3x25mm. Wing. Fuselage. M3x25mm. BALANCING. 1) It is critical that your airplane be bal- anced correctly. Improper balance will cause your plane to lose control and crash. THE CENTER OF GRAVITY IS LOCATED 110 MM BACK FROM THE LEADING EDGE OF THE WING AT THE WING ROOT.

  • Page 68: Control Throws

    Instruction Manual. Master Scale Kit Edition Cessna 152 Aerobat 80”, 20cc 3) Turn the airplane upside down. Place your ingers on the masking tape and 110MM carefully lit the plane . Accurately mark the balance point on the top of the wing on both sides of the fuse- lage.

  • Page 69: Flight Preparation

    FLIGHT PREPARATION. PREFLIGHT CHECK. Check the operation and direction of the 1) Completely charge your transmitter and elevator, rudder, ailerons and throttle. receiver batteries before your irst day of lying. A) Plug in your radio system per the 2) Check every bolt and every glue joint in manufacturer’s instructions and turn eve- the CESSNA 152 to ensure that everything is rything on.

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