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McKELLAR AERO DESIGN CF-105 Avro Arrow Construction Manual

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Avro Arrow
c
M
KELLAR AERO DESIGN
c
©M
KELLAR AERO DESIGN
CF-105
Construction Manual
Wingspan:
Wing Area:
Length:
Weight:
Power:
1
19.17"
180 in²
27.9"
13-14 oz
Speed 400 or
100-120W brushless
Ver. 1.2

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Summary of Contents for McKELLAR AERO DESIGN CF-105 Avro Arrow

  • Page 1 CF-105 Avro Arrow Construction Manual KELLAR AERO DESIGN Wingspan: 19.17” Wing Area: 180 in² Length: 27.9” Weight: 13-14 oz Power: Speed 400 or 100-120W brushless ©M KELLAR AERO DESIGN Ver. 1.2...

  • Page 2: Table Of Contents

    Table of Contents Introduction…………………………………….…………2 Kit contents…………………………………….………….2 Required to complete……………………….………….3 General building instructions………………...………3 Building the fin……………………………………………3 Building the wing………………………..………..…….3 Building the nose and intake nacelles…….……..5 Building the fuselage…………………….……….……7 Building the canopy and spine…………….……….10 Final assembly……………………………………………11 Prepare for flight……………………………….……….12 First flight……………………………………….…………12 Introduction Thank you for purchasing this model kit.

  • Page 3: Required To Complete

    Required to Complete Two lengths of 1/8” diameter carbon fibre rod (7-11/16” and 11-9/16” long) • One package of CA hinges • Two pre-bent pieces of 1/16” piano wire for the aileron torque rods • Two 12” lengths of 0.032” piano wire •...
  • Page 4 skins are made from WL1, WL2, WL3 and WL4. Make sure these parts are lying flat when you glue them together. Once the glue has dried, give all the joints a light sanding so they are flush. Next, the wing ribs R1-R5 are fit in place on the lower wing skin. The tabs in the ribs fit into the slots in the skin.

  • Page 5: Building The Nose And Intake Nacelles

    taper so the top surface thins to 1/16” thick at the trailing edge. Mark the leading edge 1/2” in from the inner end of the elevon and drill a 1/16” diameter hole 3/8” deep. Make a 1/16” slot from this hole to the inner end. This hole and slot will fit the torque rod. Mark the three hinge locations on both the wing trailing edge and the elevon leading edge.
  • Page 6 The intake nacelles are built next. Start by building the left nacelle. Glue E3 and E4 onto E1 making sure they are both perpendicular to E1. Fit E5 in place and apply glue. Now, glue the top sheet (E6) and the bottom sheet (E7) in place.

  • Page 7: Building The Fuselage

    Building the Fuselage The first step is to build the two center fuselage formers (F17 and F18). These are built up from parts F17A,B,C,D and F18A,B,C,D. Assemble these parts over Appendix A and apply CA to all the joints. Lay F1 flat on the building board and fit the formers (F16, F17, F18 and F19) in place.
  • Page 8 fuselage sides. Carefully apply CA to P4 making sure the dowel or spar does not get glued in place. Do the same thing with P5 and the rear spar hole on both fuselage sides. Take the two plastic tubes and cut them so you have F21 laminations two lengths 8.5”...
  • Page 9 The fuselage bottom skin (F2) can now be glued in place. After the bottom skin is in place, apply a fillet of epoxy with some filler on the firewall/fuselage skin joints. This will strengthen the joint and secure the firewall very well. Cooling holes The corner sheeting will now be installed.

  • Page 10: Building The Canopy And Spine

    Building the Canopy and Spine Start by gluing the canopy formers (C3, C4 and C5) onto C2. Now glue the canopy base (C1) onto the bottom of C2 and the formers. Frame up the fwd spine by gluing the formers C8 and C9 onto C7 and then gluing C6 to this assembly.

  • Page 11: Final Assembly

    Final assembly Cover all the individual parts with your favourite film. Remove any covering from where the parts will be glued together. Glue the wing panel with the carbon fibre spars in place first. Now glue the second wing panel in place using a little epoxy on the carbon spars and CA on the wing rib. The nose is glued on with some CA.

  • Page 12: Prepare For Flight

    Finally, install the servos and receiver and apply some sticky Velcro onto the battery tray F15 and glue it in place on the forward end of the F14 stiffeners. Prepare for flight Support the wing at the location shown in Appendix B and place the receiver, speed control and battery in position so that the plane balances level.

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