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Seagull Models JUMPER 25 Instruction Manual

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Arising Star
INSTRUCTION
Specifications:
Wingspan _________________________ 55 in, 139cm.
Wing area ___________________ 480 sq.in, 31 sq.dm.
Length ____________________________ 41 in, 103cm.
Approximate flying weight ______ 4.9-5.5 lbs, 2.2-2.5kg.
Recommended engine size ___ .25-.32 cu.in 2-stroke.
Radio System required 4 channel with 4 servo.
Flying skill level --------------------- High wingTrainer.
Kit features.
•
Ready-made—minimal assembly & finishing required.
•
Comprensive hardware pack including wheels, tank, parts, undercarriage &
spinner.
•
Photo-illustrated step-by-step Assembly Manual.
Instruction Manual
MANUAL
Additional items required.
Engine.
4 Channel or greater Radio Control system.
Glues.
Tools.
Starting Equipment.
MS:15.
Made in Vietnam.

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Summary of Contents for Seagull Models JUMPER 25

  • Page 1 Arising Star Instruction Manual MS:15. INSTRUCTION MANUAL Specifications: Wingspan _________________________ 55 in, 139cm. Additional items required. Wing area ___________________ 480 sq.in, 31 sq.dm. Engine. Length ____________________________ 41 in, 103cm. 4 Channel or greater Radio Control system. Approximate flying weight ______ 4.9-5.5 lbs, 2.2-2.5kg. Glues.
  • Page 2 ARTF, yet the design allows the aeroplane to be kept light. You will find that most of the work has been done for you already. Flying the JUMPER 25 is simply a joy. This instruction manual is designed to help you build a great flying aeroplane. Please read this manual thoroughly before starting assembly of your JUMPER 25.

  • Page 3: Wing Assembly

    This will ensure proper centre section during flight. assembly as the JUMPER 25 is made from natural materials and Centre line. minor adjustments may have to be made.
  • Page 4 JUMPER 25. Instruction Manual. INSTALLING THE AILERON SERVO MOUNT. Servo mount. Epoxy attach. 3 ) Peel off the backing from the self 1) Install the rubber grommets and brass adhesive covering strip. Apply the strip to the collets onto the aileron servo. Test fit the servo centre section of the wing starting from the into the aileron servo mount.

  • Page 5: Installing The Aileron Servo

    www.seagullmodels.com Remove covering. Epoxy. Pushrod wire. INSTALLING THE AILERON SERVO. Install the aileron servo into the servo mount, with the output shaft towards the lead- ing edge of the wing, using the wood screws provided with your radio system. Drill 1/16” pilot holes through the mount before installing the screws.
  • Page 6 JUMPER 25. Instruction Manual. 5) With the stopper assembly in place, the weighted pick-up should rest away from the rear of the tank and move freely inside the tank. The top of the vent tube should rest just below the top of the tank. It should not touch the top of the tank.

  • Page 7: Installing The Main Gear Wires

    www.seagullmodels.com Balsa wood. Vent tube. Fuel pick-up INSTALLING THE MAIN GEAR WIRES. tube. 1) Using a modeling knife, remove the covering from over the two main gear mount- ing slots located in the bottom of the fuselage. 2) Using the two landing gear straps as a guide, mark the locations of the four 3mm x 10mm mounting screws onto the fuselage sur- Fuel fill tube.

  • Page 8: Nose Gear Installation

    JUMPER 25. Instruction Manual. NOSE GEAR INSTALLATION. INSTALLING THE NOSE GEAR WHEEL. Slide one wheel onto the axle and push them up against the wheel collars. Slide the remaining wheel collars with set screws onto the axles. Push them up against the wheels and tighten the set screws.

  • Page 9: Installing The Spinner

    www.seagullmodels.com INSTALLING THE SPINNER. Install the spinner backplate, propeller and 3 x 25mm. spinner cone. 2.5mm. The 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 contact with it.

  • Page 10: Installing The Fuselage Servos

    JUMPER 25. Instruction Manual. 3) Slide the stabilizer into place in the pre- cut slot in the rear of the fuselage. The stabi- lizer should be pushed firmly against the front of the slot. Switch. INSTALLING THE FUSELAGE SERVOS. Throttle servo.

  • Page 11: Vertical Stabilizer Installation

    www.seagullmodels.com 7) When you are sure that everything is aligned correctly, mix up a generous amount of 30 Minute Epoxy. Apply a thin layer to the top and bottom of the stabilizer mounting area Pen. and to the stabilizer mounting platform sides in the fuselage.

  • Page 12: Control Horn Installation

    JUMPER 25. Instruction Manual. 5) When you are sure that everything is aligned correctly, mix up a generous amount of Rudder control horn. 30 Minute Epoxy. Apply a thin layer to the mount- ing slot in the top of the fuselage and to the sides and bottom of the vertical stabilizer mounting area.

  • Page 13: Installing The Receiver And Battery

    www.seagullmodels.com Steering pushrod. Rudder. Throttle. Elevator. INSTALLING THE RECEIVER AND BATTERY. 1) Plug the four 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 14: Control Throws

    Dowels. CG=7.5cm CONTROL THROWS. We highly recommend setting up the JUMPER 25 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). Turn on the radio system, and with the...

  • Page 15: Preflight Check

    3/8” down flying. Rudder: 1/2” right 1/2” left 2) Check every bolt and every glue joint AEROBATIC FLYING in the JUMPER 25 to ensure that everything is tight and well bonded. Ailerons: 1/2” up 1/2” down Elevator: 5/8” up 5/8” down Rudder: 1”...

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