Piper MS 74 Assembly Manual
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Piper MS 74 Assembly Manual

Piper MS 74 Assembly Manual

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"Graphics and specfications may change without notice".

Specifications

Wingspan---------------------------------------- 88.2 in---------------------------- 224cm.
Wing area--------------------------------------- 1137.1 sq.in--------------- 73.4 sq.dm.
Approximate flying weight--------------------9.95- 11 lbs------------------4.5 - 5kg.
Length--------------------------------------------- 56.2in-------------------------- 142.7cm.
Recommended engine size---------------- .1.2-1.5 cu.in----------------- 4-stroke.
Radio System required 4 channels with 6 servos
Flying skill level Intermediate/advanced.
Kit features.
•
Ready-made—minimal assembly & finishing required.
•
Ready-covered covering.
•
Photo-illustrated step-by-step Assembly Manual.
Made in Vietnam.
ASSEMBLY MANUAL
.91 - 1.2 cu.in----------------2-troske.
MS: 74

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  • Page 1: Specifications

    MS: 74 ASSEMBLY MANUAL “Graphics and specfications may change without notice”. Specifications Wingspan---------------------------------------- 88.2 in---------------------------- 224cm. Wing area--------------------------------------- 1137.1 sq.in--------------- 73.4 sq.dm. Approximate flying weight--------------------9.95- 11 lbs------------------4.5 - 5kg. Length--------------------------------------------- 56.2in-------------------------- 142.7cm. Recommended engine size---------------- .1.2-1.5 cu.in----------------- 4-stroke. .91 - 1.2 cu.in----------------2-troske. Radio System required 4 channels with 6 servos Flying skill level Intermediate/advanced.
  • Page 2 CODE SEA 74. INTRODUCTION. Thank you for choosing the PIPER CUB ARTF by SEAGULL MODELS. The PIPER CUB was designed with the intermediate/advanced sport scale in mind. It is a semi scale airplane which is easy to fly and quick to assemble. The airframe is conventionally built using balsa, plywood to make it stronger than the average ARTF , yet the design allows the aeroplane to be kept light.

  • Page 3: Hinging The Ailerons

    This will ensure proper Hinge. assembly as the PIPER CUB is made from natural materials and minor adjustments may have to be made. The paint and plastic parts 3) Slide the wing panel on the aileron until used in this kit are fuel proof.

  • Page 4: Hinging The Elevator

    Instruction Manual PIPER CUB_ CODE SEA 74. Installing the turnbuckle for the wing as 5) Turn the wing panel over and deflect the same as pictures below. aileron in the opposite direction from the opposite side. Apply thin C/A glue to each hinge, making sure that the C/A penetrates into washer.
  • Page 5 www.seagullmodels.com Wing. Aileron. Hinge. ELEVATOR CONTROL HORN. Install the elevator control horn using the same method as with the aileron control AILERON CONTROL HORN horns. Aileron control horn: See pictures below 2 sets. 2 sets. 3x35mm. 3x40mm. CONTRONL HORN M3 CONTRONL HORN Aluminum Washer.

  • Page 6: Rudder Control Horn

    Instruction Manual PIPER CUB_ CODE SEA 74. Elevator control horn. Rudder control horn. RUDDER CONTROL HORN. Rudder control horn: Using the same tectniques used aileron control ENGINE MOUNT INSTALLATION. horn. See picture below. See pictures below.Make yourself the 2 sets.

  • Page 7: Fuel Tank Installation

    www.seagullmodels.com INSTALLING THE STOPPER ASSEMBLY. Vent tube. Fuel pick up tube. 1) Using a modeling knife, carefully cut off the rear portion of one of the 3 nylon tubes leaving 1/2” protruding from the rear of the Fuel fill tube. stopper.

  • Page 8: Wheel Installation

    Instruction Manual PIPER CUB_ CODE SEA 74. Blow through one of the lines to ensure the fuel lines have not become kinked in- side the fuel tank compartment. Air should flow through easily. Rubber band. WHEEL INSTALLATION. 1) Assemble and mounting the wheel as Fuel tank.

  • Page 9: Installing The Landing Gear

    www.seagullmodels.com 3) A drop of C/A glue on the wheel collar screws will help keep them from coming lose during operation. Repeat the process for the other wheel. INSTALLING THE LANDING GEAR Wheel Fairing. 1.5mm diameter. 1.5mm diametter. MOUNTING THE ENGINE. 1) Install the pushrod housing through the predrilled hole in the firewall and into the servo compartment.

  • Page 10: Cowling Installation

    Instruction Manual PIPER CUB_ CODE SEA 74. COWLING INSTALLATION. 1) Slide the fiberglass cowl over the en- gine and line up the back edge of the cowl with the marks you made on the fuselage then trim and cut. 155mm Trim and cut.

  • Page 11: Installing The Switch

    www.seagullmodels.com Because of the size of the cowl, it may be nec- essary to use a needle valve extension for the high speed needle valve. Make this out of suf- ficient length 1.5mm wire and install it into the end of the needle valve. Secure the wire in place by tightening the set screw in the side of the needle valve.

  • Page 12: Installing The Horizontal Stabilizer

    Instruction Manual PIPER CUB_ CODE SEA 74. Elevator servo . Rudder servo . Throttle servo arm. Elevator servo . Switch. INSTALLING THE HORIZONTAL STABILIZER. INSTALLING THE FUSELAGE SERVO. Draw center line. Because the size of servos differ, you may need to adjust the size of the precut open- ing in the mount.

  • Page 13: Installing The Vertical Stabilizer

    www.seagullmodels.com Put the vertical stabilizer into the in the top INSTALLING THE VERTICAL STABILIZER. of the horizontal fin. The bottom edge of the stabilizer should also be firmly pushed against the top of the horizontal stabilizer. Vertical Stabilizer. Horizontal 90º Stabilizer.
  • Page 14 Instruction Manual PIPER CUB_ CODE SEA 74. Aileron Servo. Servo electric wire. Wing rib. Wing. Small Weight. Small Weight. String. String. Attach the string to the servo lead and carefully thread it though the wing. INSTALLATION THE PUSHROD. Wing. Aileron.
  • Page 15 www.seagullmodels.com ELEVATOR - RUDDER PUSHROD INSTALLATION. Wing. Rudder control horn. M2 lock nut. Aileron. Elevator control horn. Repeat the procedure for the other wing. Elevator and rudder pushrods assembly follow pictures below. M2 clevis. M2 Lock nut. Attach to elevator - rudder control horn. Attach to servo arm in fuselage.
  • Page 16 Instruction Manual PIPER CUB_ CODE SEA 74. INSTALLING TAIL STRUT SUPPORT Control horn. The tail strut system assembly follow pic- Elevator Pushrod. tures below. M2 lock nut. Metal clevis. Elevator pushrod. 3x10mm. 3x15mm. Rudder pushrod. Elevator. Throttle. Rudder. Elevator. Vertical Fin.
  • Page 17 www.seagullmodels.com Vertical Fin. Horizontal Fin. Fuselage bottom. Bottom. Vertical Fin. 3x10mm. Horizontal Fin. M3 x 10mm.

  • Page 18: Mounting The Tail Wheel

    Instruction Manual PIPER CUB_ CODE SEA 74. M3 x 10mm. MOUNTING THE TAIL WHEEL. See picture below. 3x25mm. 3 x10 mm.
  • Page 19 www.seagullmodels.com 3x25 mm. 120MM. Aluminum tail Landing gear. INSTALLING THE BATTERY-RECEIVER. 3x10 mm. 1) Plug the six servo leads and the switch lead into the receiver. Plug the battery pack lead into the switch also. 2) Wrap the receiver and battery pack in the protective foam rubber to protect them from vibration.
  • Page 20 Instruction Manual PIPER CUB_ CODE SEA 74. Aluminum tube. 3x50mm. Plastic Screw. Wing tube. C/A glue. Insert two wing panels as pictures below. 4.5-5mm diameter screw. M3x50mm. Wing bolt. M3x50mm.

  • Page 21: Installing The Wing Strut

    www.seagullmodels.com INSTALLING THE WING STRUT. Parts requirement.See pictures below. M4x10mm. Turnbuckle. Fuselage. M4x10mm. 60mm. 85mm.

  • Page 22: Control Throws

    9.5cm. CONTROL THROWS. 1) We highly recommend setting up the PIPER CUB using the control throws listed at right. We have listed control throws for both Low Rate (initial test flying/sport flying) and High Rate (aerobatic flying).
  • Page 23 2) Check every bolt and every glue joint 8) Properly balance the propeller. An out in the PIPER CUB to ensure that everything of balance propeller will cause excessive vi- is tight and well bonded. bration which could lead to engine and/or air- 3) Double check the balance of the air- frame failure.

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