Instructions

ManualsBrandsSIG ManualsRC Model AircraftsPiper J-3 CUB with rubber motor model kit RC model aircraft Kit 902 mm

GENERAL INFORMATION

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All of the parts on the plan are identified by a number or a letter.

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Parts identified by a number are laser cut parts.

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Parts identified by a letter are stripwood pieces that you cut and fit on assembly.

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The slight discoloration of the edges of the laser cut parts may be removed by lightly sanding them with 400 grit

sandpaper.

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The assembly of this model begins by building the fuselage side frames and then parts are added or assembled in

numerical order.

Your kit contains the following parts. Please check your kit for any missing or damaged parts before starting construction.

COMPLETE KIT PARTS LIST

1 Plan Sheet #1 1 Plan Sheet #2 1 Decal Sheet

3 Yellow Tissue 1 1/16"x12" Music Wire 1 Tail Wheel Assembly

1 15" Thread 2 1/ 8"x4" Solder 3 3 1/4"x6" Window Material

8 1/16"sq.x18" Balsa Strip 12 3/32"sq.x18" Balsa Strip 2 1/8"sq.x18" Balsa Strip

1 3/16"x1 3/4" Dowel 1 Instruction Manual 1 9" Plastic Propeller

1 Propeller Shaft 2 Brass Thrust Washers 1 Plastic Propeller Bearing

2 1/4"x1/2" Black Rubber Tube 2 1/16"x1/16" Plastic Tube 1 6" Copper Wire

1 3/16"x60" Rubber Strip 15 Laser Cut Sheets

Tools and Building Supplies

You will need the following items to assemble this model. You must read and follow all of the manufactures

instructions provided with these items!

-Glue CA, White Glue, Sigment or Ambroid all work well.

-Cutting Tools A single edge razor blade can be used for all of the cutting.

-Clear Dope, Thinner & paint brush -200, 320 and 400 sandpaper

-Straight Pins -Wax Paper

-Needle nose pliers -Crayon or Candle

-1/4" Drill Bit -Building Board

Summary of content (8 pages)

PAGE 1
GENERAL INFORMATION All of the parts on the plan are identified by a number or a letter. Parts identified by a number are laser cut parts. Parts identified by a letter are stripwood pieces that you cut and fit on assembly. The slight discoloration of the edges of the laser cut parts may be removed by lightly sanding them with 400 grit sandpaper. The assembly of this model begins by building the fuselage side frames and then parts are added or assembled in numerical order.
PAGE 2
. The first thing that you need to do is to identify and mark the part numbers on the laser cut parts using the drawings on the following pages as a guide. It is possible that several of the laser cut parts may not be completely cut through. If this is the case you can free the part from the sheet quickly using an X-acto knife. NOTE: The slight discoloration on the edges of the laser cut parts may be removed by lightly sanding the edges with 400 grit sandpaper.
PAGE 3
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PAGE 4
. Building the Fuselage 1. Cover the fuselage side frame plan with wax paper. Build the two fuselage side frames over the plan. Glue a piece of 3/32" sq. balsa across the bottom front of formers #8 and #10. 2. Place former #8 into position on one fuselage side. Glue it to the bottom and middle longeron on the fuselage side frame. Do not glue #8 to #2 at this time. Glue #9 into position as shown. The front face of #9 should be flush with the front of the 3/32" sq. uprights on the fuselage side. 3.
PAGE 5
. Building the Tail Surfaces 24. Cover the Rudder plan with wax paper. Pin #67 into position on the plan. Now pin and glue #68 and #69 into place. Now complete the fin by adding the two 3/32" sq. balsa pieces. Remove the fin from the plan. 25. Cut the rudder laminating pattern from the plan and glue it to a piece of cardboard. Trim the cardboard to the size of the paper form. 26. Coat the edges of the form with wax by rubbing the edges with a crayon or candle.
PAGE 6
. Covering the Model 44. Sand all of the parts smooth. Test fit the wings to the fuselage. Test fit the tail surfaces with the fuselage. Make any adjustments necessary to achieve the proper fit. Cut the windshield using the pattern on the plan and check the fit With the fuselage. 45. Cover the model, applying the tissue With clear dope. When the parts are covered, shrink the tissue by lightly misting it with water or rubbing alcohol. 46. Apply two coats of clear dope thinned 50-50 to the entire model. 47.
PAGE 7
. 68. Assemble the propeller and tie the rubber motor. Install the prop and motor, using the 3/32" dowel to retain the motor at the aft end of the model. 69. Attempt to balance the model at the position shown on the plan. If the model is tail heavy (it probably is), Make the dummy exhaust from the 1/8" dia. solder provided in the kit. Glue the exhaust to the model.
PAGE 8
. WARRANTY Herr Engineering Corp. guarantees this kit to be free from defects in both materials and workmanship at the time of purchase. This warranty does not cover any component damaged buy use or modification. In no case shall Herr Engineering Corporation's liability exceed the original cost of the purchased kit. Further Herr Engineering Corp. reserves the right to change or modify this warranty without notice.