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Aviation Design SCORPION Assembly Manual

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SCORPION
Assembly manual
ZI le chenet, 91490 Milly La Foret, FRANCE
Tel : 33 1 64 98 93 93
Fax : 33 1 64 98 93 88
E-mail : aviation.design@wanadoo.fr
www.aviation-design.fr
Version 01/04/2013
- 91490 MILLY LA FORET – FRANCE - Tel : 01 64 98 93 93 - aviation.design@wanadoo.fr – www.aviation-design.fr
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Summary of Contents for Aviation Design SCORPION

  • Page 1 SCORPION Assembly manual ZI le chenet, 91490 Milly La Foret, FRANCE Tel : 33 1 64 98 93 93 Fax : 33 1 64 98 93 88 E-mail : aviation.design@wanadoo.fr www.aviation-design.fr Version 01/04/2013 - 91490 MILLY LA FORET – FRANCE - Tel : 01 64 98 93 93 - aviation.design@wanadoo.fr – www.aviation-design.fr...
  • Page 2 INTRODUCTION ScoRpion is our new jet trainer. It is fully composite, delivered assembled and painted. It is designed for jet beginner with following objectives : Very easy to fly. Short take off and landing due to big airfoil thickness (13%), large flaps and low wing loading...
  • Page 3 Parts required to complete the kit : 3.2 liters kevlar fuel cell or 3.2 liters tank + UBT 1 liter smoker tank Deluxe retractable landing gear with special CNC oleo legs and wheels set on bearing + brakes Or Deluxe gear + 2 electovalves for gear and brakes Air brake Or air brake with electrovalve Clear canopy + vacuum parts...
  • Page 4 Stainless steel exhaust pipe Servo pack - Wings, rudders, stabs protection covers Led afterburner Navy / US decals DISCLAIMER assumes no liability for the operation and use of these products. The owner and operator of these products should have the necessary experience and exercise common sense.
  • Page 5 Fitting the dorsal air brake Fit robart hinges in the 2 aluminium tube Glue the 2 aluminium tube with CA on the airbrake. Take care that the hinge point is at the air brake limit (see pic ) Glue the 2 Robart hinges in the tube with epoxy.
  • Page 6 Fit the 3 mm threated rod in the air cylinder end Fit 2 M3 screws to lock the air cylinder in the middle of the threated rod. Secure the screws. Cut the end of the hinges to fit in the fuselage hatch.
  • Page 7 Adjust the threaded rod position to have: the air brake is fully closed when the air cylinder is closed. - the air brake opens when the air cylinder is open. Distance is approximately as the drawing. 210 mm Glue 2 pieces of fiber or plywood at the end of the air air brake hatch to have an air brake stop.
  • Page 8 Joining front fuselage to rear fuselage Insert 4 x 3 mm blind nut in the rear section. Screw the front fuselage to the rear fuselage with four 3 mm x 20 mm allen screws. Stabs Servos installation Important: the servo MUST be a high quality servo, 12 kg torque, with metallic gears. Screw the servo on the plywood mount.
  • Page 9 Stabs installation Important: the 2 stabs are pre-balanced to have no flutter. Slide the stab in the fuselage tube. In the fuselage, insert and slide the 1 mm plastic washer on the tube and slide the aluminum control horn. Put the stab horizontal. Put the control arm vertical.
  • Page 10 Gear: Please, use only the oleo legs supply by Aviation Design. If you use standard oleo, you will have to modify the gear position and gear door position. Fit the main gear on the plywood mount. Screw each gear with four 4x16 mm CHC screws.
  • Page 11 Fit the front gear on the plywood mount. Screw the front gear with four 4x16 mm parker screws. Screw the steering servo on the plywood frame. Make a hole in the plywood frame for the steering steel wire. Connect servo to steering arm with 2 mm link + steel wire. Check that the nose gear retract and extend without problem with the steering wire.
  • Page 12 Aileron and flaps servos : Screw the servo in the servo cover (we recommand to glue it with silicon glue for more security). Put in position the servo cover on the wings. Drill 4 x 1 mm hole in the wings for the screws. Cut a slot in the control surface for the fiber control horn.
  • Page 13 Make a 15 mm hole in the wing root for the servo electric wire. Sold electric wire for the flaps and aileron. Make a 5 mm corresponding hole in the fuselage for the electric wire. Don’t make the hole too big so that the conector can’t fall in the fuselage.
  • Page 14 Secure the wings: Fit the wing joiner tube through the fuselage. Take care to put it at the center (same lenght left and right (about 220 mm). Install the left and right wings. A plywood reinforcement is located between the fiber tube and the wing skin to drill the hole to secure the wings.
  • Page 15 Rudder servos: Process as the wing servo: Increase the hole for the servo location in the booms with a Permagrit rotating tool for the rudder. Screw the servo in the servo cover (we recommand to glue it with silicon glue for more security). Put in place the servo cover on the fin.
  • Page 16 Make a 5 mm corresponding hole in the fuselage for the electric wire. Don’t make the hole too big so that the conector can’t fall in the fuselage. Sold electric wire for the 2 rudder in Y. Secure the fins: Fit the fins on the fuselage.
  • Page 17 Fuel tank Connect the fuel tank to the clunk as the photo. Check that there is no leak before to fit it in fuselage. Drill a 3 mm hole in the bottom of the fuselage for the fuel vent. The fuel tank is connected to the UAT catch tank to be sure that there is no bubble in the fuel line.
  • Page 18 Filling the fuel tanks: Connect your pump and fill the system in direction of the tank. It will first fill the catch tank and after the main tank. The main tank will be full when fuel comes from the air vent tube. When tanks are full, close the filling tubing.
  • Page 19 Smoker tank: A 1.1 liter smoker tank can be fitted in the Scorpion. It can be fitted on the top of the main kevlar fuel tank. Connect the fuel tank to the clunk as the photo. Check that there is no leak before to fit it in fuselage.
  • Page 20 TAILPIPE EXHAUST To insert the tailpipe in the plane, you will have to disassemble the from aluminum cone from the steel pipe. Fit the steel tailpipe in the plane. Insert the aluminum cone in the fuselage. Secure the cone with the pipe with its screw and the aluminum pad.
  • Page 21 Fiber exhaust cone: You can simply hold the tailcone with 2 parker screws that you can fit from inside the tailcone between the exhaust tube and the tailcone. You can also fix it with silicone glue. - 91490 MILLY LA FORET – FRANCE - Tel : 01 64 98 93 93 - aviation.design@wanadoo.fr – www.aviation-design.fr...

  • Page 22: Engine Installation

    Engine installation: Adjust the position of the engine / beginning of the exhaust tube so the engine exhaust enters for about 15 mm in the aluminum inlet. The engine must be screw with 4 times 3x20 mm parker screw to the rear position.

  • Page 23: Ecu Installation

    ECU installation: Fit the ECU in one side of the plane. Fit the fuel pump and valves just rear to the ECU and hold them with T rap. - 91490 MILLY LA FORET – FRANCE - Tel : 01 64 98 93 93 - aviation.design@wanadoo.fr – www.aviation-design.fr...
  • Page 24 Gear valves, air tank, batteries, antennae Gear valve and brake valve will be fitted at the opposite of the ECU. Receiver will be in the front, as far as possible from the ECU and valves. Aerial antennae will be fitted far away from ECU and fuel pump. A Powerbox system (evolution or higher) is strongly recommended.
  • Page 25 Clear canopy: If you choose to fit the clear canopy, follow the next steps: Put the clear canopy on the fiber parts and cut is 5 mm bigger than the clear canopy parts. Cut the fiber canopy as the pics. Keep enough fiber borders to glue the front pin and hatch. Glue the plastic vacuum parts together (see pics).
  • Page 26 Cockpit detail kit: First step is to assemble the ejector seat. 1- Cut the vaccum part with small cisor according to the photo. 2- Paint: You can paint directly all plastic parts without sanding. Use Enamel paint #144 and #98. 3- Glue: All parts can be glued together with cyano according to the plan.
  • Page 27 Paint the pilot: helmet, seat belt, …. The third step is to fit all the parts in the cockpit vacuum parts. Fit the ejector seat in the ABS vacuum part. Fit the pilot and instrument panel. You should have to heat the pilot (with an air gun heater) to fit it in the cockpit with the good angle and to slide the instrument panel between its legs.
  • Page 28 Radio installation: Fit the radio in the nose section with batteries. Adjust batteries position to have the correct CG position. Don’t put the received and aerial antenae too close the the ECU. Recommended surface throws Ailerons Up : 20mm Down : 20mm Exponential: 10 Rudder 15 mm left and 15 mm right...

  • Page 29: Center Of Gravity

    In other hand if the nose drops considerably add weight in the tail. An easy way to adjust the CG on the Scorpion is to remove a little bit the wings from the fuselage and to slide a strong rope between the wings and under the fuselage against the main oleo legs (rear position).