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BrainCube Aeromodels Fugly Manual

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BrainCube
Aeromodels
Fugly
BrainCube Aeromodels Ltd.

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Summary of Contents for BrainCube Aeromodels Fugly

  • Page 1 BrainCube Aeromodels Fugly BrainCube Aeromodels Ltd.

  • Page 2: Tools And Materials

    By combining careful 3D CAD design with high quality materials and high precision laser cutting, we have created a builders kit that can be built in a weekend even by the total beginner. The finished Fugly is small enough to fit into most cars in one piece, light enough for extreme aerobatics yet sturdy enough to be your regular “Sunday hack”.
  • Page 3 Steps 2, 3 and 4 should all be performed at the same time to ensure the fuselage core structure is square. In these three steps, ensure that glue is applied to all the edges which touch. BrainCube Aeromodels - Fugly Construction Manual 3 ...
  • Page 4 F4 + F4a Fuselage - 2 Assembly Fuselage Side Fuselage - 4 Fuselage Side Apply weights on top of the central structure to ensure the joints are square and solid. Allow to dry completely before continuing. 4 BrainCube Aeromodels - Fugly Construction Manual...
  • Page 5 Fin + F5 It is crucial that the tail is straight, and the fin vertical. Do a dry run before glueing to familiarise Tail yourself with the procedure, and make sure everything is straight once clamped. BrainCube Aeromodels - Fugly Construction Manual 5 ...
  • Page 6 Fuselage - 7 Alt. F1 Alt, F1b, UC Plate This step shows the rear mounting option for the electric motor. F1 Alt. UC Plate Tape the UC Plate into position before clamping the nose together. 6 BrainCube Aeromodels - Fugly Construction Manual...
  • Page 7 CH Block (Fuselage - 8) Be careful to ensure that the front edge of BS1 lines up with the front edge of the F3 former. If these aren’t flush, the belly hatch won’t fit. BrainCube Aeromodels - Fugly Construction Manual 7 ...
  • Page 8 TS4, so trim TS4 to the correct length before glueing in position. Fuselage - 11 The primary structure of Fugly’s fuselage is now complete and can be carved and sanded to smooth out the corners. Lightly sand the edges of the tail sheeting to round them off.
  • Page 9 Nose Hatch - 1 H3 x4 Clamp together on a flat surface after glueing to form two solid balsa blocks. Nose Hatch - 2 H1, H2 x2 BrainCube Aeromodels - Fugly Construction Manual 9 ...
  • Page 10 Nose Hatch - 3 Nose Hatch 1, Nose Hatch 2 Nose Hatch - 4 H3, Nose Hatch 3 10 BrainCube Aeromodels - Fugly Construction Manual...
  • Page 11 Sand H3 so that it blends into the rest of the hatch Carve and sand the side shape. pieces into a smooth, rounded shape. Sand the H4 sheets to remove excess glue and blend in the seams. BrainCube Aeromodels - Fugly Construction Manual 11 ...

  • Page 12: Belly Hatch

    - it may be pulled out of the glue otherwise. When covering, note that the rear hole is an air vent and should be left open for proper cooling of the motor, battery and speed controller. 12 BrainCube Aeromodels - Fugly Construction Manual...

  • Page 13: Control Surfaces

    When inserting each part, ensure you follow the text etched into the balsa regarding orientation. Carefully line-up the jigsaw ends with the matching sockets, and apply firm pressure equally to slide the parts together. Be careful not to crush the balsa wood. BrainCube Aeromodels - Fugly Construction Manual 13 ...
  • Page 14 Elevators E1 - E5 Fugly uses a pair of elevators, linked by a wire joiner. The construction of both elevators is the same, and can be either built at the same time or one after the other. When applying the super-glue, start at one end of the joint and run to the other end so that a “bead”...
  • Page 15 After sanding, use a scalpel and sanding block to carefully bevel this edge so it can move freely once hinged. BrainCube Aeromodels - Fugly Construction Manual 15 ...
  • Page 16 Ailerons A1 - A8 Fugly uses a pair of ailerons. They are identical, and can be built at the same time or one after the other. Once the glue has set, use a sanding block to sand down all the joints to give a smooth surface for covering later.
  • Page 17 Once pinned, glue the False LE, TE, Bolt plate, spar and both R5 ribs into position. Make sure that the spar is glued to each wing rib as well as to the spar web along its entire length. BrainCube Aeromodels - Fugly Construction Manual 17 ...
  • Page 18 Glue both R1a parts against the plywood R1 ribs first. These parts help support the wing skin. When you glue the spar into place, ensure that it is glued along it’s entire length to the spar-web using clamps. 18 BrainCube Aeromodels - Fugly Construction Manual...
  • Page 19 Wing - 6 Rib Caps, Bottom TE Cap, WS3 Rib Caps Bottom TE Cap The rib caps strengthen the wing ribs and provide a larger surface area for the covering to attach to. BrainCube Aeromodels - Fugly Construction Manual 19 ...
  • Page 20 Once the glue has fully dried from the previous stage, carefully carve and sand the leading edge until it matches the curvature of the wing tips. 20 BrainCube Aeromodels - Fugly Construction Manual...
  • Page 21 Covering Fugly is designed to be covered in heat-shrink film. There are many brands available, such as Oracover, Solar Film, Coverite, etc. Please read, and follow, the instructions for the particular film that you are using. Ensure that all seams are fully sealed to stop them lifting away in flight.

  • Page 22: Hinge Slots

    Hinge Slots Fugly uses “CA Hinges”. These are a rectangular piece of fibrous plastic film which is inserted into slots cut into both sides without glue. Once in place, thin super-glue is “wicked” into the hinge material, which saturates both the hinge and the wood in contact with it. Once set (which happens in seconds) it forms a flexible but very strong hinge.
  • Page 23 Wait 30 seconds for the CA to dry, then flex the elevators up and down a few times to free the up. Mind your fingers! It is easy for excess CA to go astray and stick the model to your skin. BrainCube Aeromodels - Fugly Construction Manual 23 ...
  • Page 24 Use needle-nose pliers or small spanners to hold the nut nearest the wheel and tighten up the other nut so that both grip the UC leg. The wheel should turn freely without rattling around. 24 BrainCube Aeromodels - Fugly Construction Manual...
  • Page 25 Make sure that both legs and the tail skid are straight in relation to the fuselage, otherwise Fugly will take off sideways! Control Horn x 4, M2 Bolts x 12, Push Rods x 4, Servos...

  • Page 26: Control Throws

    For initial test flights use the “Low Rates” throws to keep the handling docile. As you get comfortable with Fugly increase the rates to taste. We recommend that you do not exceed the maximum throws listed in the table as these make Fugly exceeding agile. Throws Low Rates...

  • Page 27: Test Flight

    Whilst Fugly can handle quite a breeze, for the first few flights try and stick to calm weather. We hope you have enjoyed building your Fugly, and that you have great fun flying it. If you have any feedback for us, good or bad, need spare parts, or just want to send us a photo for our Facebook page...

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