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Eureka Aircraft SkyRacer Instruction Manual

Imaa legal sport aircraft for 35cc - 62cc size engines 84” wingspan
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SkyRacer
Warranty
Eureka Aircraft guarantees this kit to be free from defects in both material and workmanship at date of purchase. The extent of this
warranty is replacement of defective parts only. This warranty does not cover any component damaged by use or modified by user. In that
Eureka Airctaft has no control over assembly and finishing of this kit, Eureka Aircraft neither assumes or accepts liability for any damage
resulting in use of the finished product. By using the user-assembled product, the user accepts all resulting liability.
Instruction Manual
IMAA Legal Sport Aircraft
For 35cc - 62cc size engines
84" Wingspan
Eureka Aircraft
39 Eagle Drive
Holiday Island, AR 72631
479-239-4427
1

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Summary of Contents for Eureka Aircraft SkyRacer

  • Page 1 Warranty Eureka Aircraft guarantees this kit to be free from defects in both material and workmanship at date of purchase. The extent of this warranty is replacement of defective parts only. This warranty does not cover any component damaged by use or modified by user. In that Eureka Airctaft has no control over assembly and finishing of this kit, Eureka Aircraft neither assumes or accepts liability for any damage resulting in use of the finished product.
  • Page 2 SkyRacer (84”) Material List All parts balsa unless otherwise specified. If any parts on the Parts Check List: list are not in the kit, contact Dynamic Balsa and we will Precut 1/4” Ply remedy the situation. Dihedral Brace Fuselage Parts...
  • Page 3 The Stab and Fin are very easy construction. Simply build ally, or cut and glue pieces together to form a single sheet framework over the plans, and apply sheeting. of sheeting. Use which ever way you are most comfort- able with. Either way be sure to leave 1/8” to 1/4” of Stab Construction overhang which can be sanded off later.
  • Page 4 prevents the glue from leaking out the back of the hole, any burrs left from cutting. causing a weaker hinge. Cut openings for servos with a hobby knife or hot You will also want to use a white glue to glue in the hinges, wire, being sure that is is done on the bottom of the wing.
  • Page 5 are both level so there will be no binding on servo. Using the foam strips cut from wing spar slots, cut strips to proper length to fill in slot from the end of spar With the wings sitting in the bottom cradles, cut a to tip of wing, and glue in place.
  • Page 6 Using the measurements from the diagram, mark cut Cut away 1/2” towards wing tip and 1” wide in sheet- lines on the top of the wing. You will make 1/8” wide ing at root of wing on top of wing to expose the slot for cuts on the sides of each aileron, which will be filled servo leads.
  • Page 7 the blind nuts, if needed. Glue 1/8” front fuse doubler to each side so it will butt against F2 and fit under ledge created by F1A. There Clamp the prebent landing gear in place onto the 1/4” should be a 1/4” gap between doubler and front edge of ply Front Fuse Bottom (FFB).
  • Page 8 Now take right side and epoxy it to F2 and Firewall forming a square box. Tape rear of Fuse sides together to ensure proper alignmrnt of fuse. Both formers should be perpendicular to both fuse sides. Clamp, tape, or weigh down right side until epoxy cures.
  • Page 9 back. Glue precut FWB and FWB-1 together to make them deep enough to accept blind nuts. Do the same with RWB and RWB-1. If you wish to install a tank floor, do it now. Epoxy FWB and RWB assemblies in place as shown on plans.

  • Page 10: Final Assembly

    In cockpit area install a piece of l/8" stock to form seat. Light sand all stringers, contour bottom front and bottom rear. Do all your sanding with a sanding block. Fuselage is complete for now. Final Assembly First, you need to mount the Stab and Fin Do the same with the 5 stringers on the top of the of the fuse front.
  • Page 11 Finish sand entire plane and prepare model for covering. Now is time to cover your Skyracer. Cover fuse, wing, and control surfaces with you favorite covering. Install all Robart hinges using white glue, making sure there is no binding.
  • Page 13 QC Parts Check List SkyRacer 84” Needed to finish plane: Included in Short Kit: Balsa Sheeting Precut 1/4” Ply 20 3/32” x 4” x 48” Dihedral Brace 1/8” x 3” x 24” F1 Firewall 12 1/8” x 3” x 36”...