SIG Cessna L-19 Bird Dog Assembly Instructions Manual Download Page 5

Final Assembly

 
52.

 
Cut the side windows to shape and glue them to the fuselage.

 
53.

 
Apply tissue to the paper cabin top on the plan.

 
54.

 
Cut the cabin top from the plan and glue the individual windows to the bottom side.

 
55.

 
Glue the cabin top to the top of the fuselage.

 
56.

 
Cut the windshield to shape using the pattern on the plan. Now glue into position on the fuselage.

 
57.

 
Cut the rear window to shape using the pattern on the plan. Now glue into position.

 
58.

 
Glue the stabilizer into position on the rear fuselage.

 
59.

 
Glue the rudder into position onto the fuselage.

 
60.

 
Glue the left and right wings to the fuselage. There should be approximately 1 1/8" dihedral on each side.

 
61.

 
Cut the wing struts to length from a piece of 3/32" x 1/4" balsa. Sand the corners round and cover them with tissue and 
glue them into position.

 
62.

 
Glue parts LG to the landing gear wire.

 
63.

 
Assemble, paint and install the wheels. Glue the plastic wheel retainers into place.

 
64.

 
Assemble the propeller assembly using the hardware provided.

 
65.

 
Glue the propeller assembly into the removable nose block. Be sure to use the correct amount of down and right thrust.

 
66.

 
Tie and install the rubber motor using the 3/16" dowel at the rear end to retain the rubber motor.

 
67.

 
Balance the model at the point shown on the plan. Add weight to the nose or tail as required to achieve the proper balance.

 
68.

 
Your model is now complete. You MUST READ AND FOLLOW all of the safety rules. We hope that you have enjoyed 
assembling your model and hope that you enjoy many fine flights.

 
 

Your First Flights

 
1.

 
Make sure that all flying surfaces are straight and warp free.

 
2.

 
Wind the motor about 100 turns.

 
3.

 
Point the nose of the model into any gentle breeze that may be blowing.

 
4.

 
Release the propeller and after it starts turning gently toss the model aiming the nose at a point on the ground 100' in front 
of you. Adjust the model to circle while increasing the number of turns in the motor. Adjustments can be made by gently 
bending the tail surfaces and wing trailing edge.

 
5.

 
A properly trimmed model will circle to the left while climbing under power, level out as the power runs down and transition 
into a right hand gliding circle.

Summary of Contents for Cessna L-19 Bird Dog

Page 1: ...r Shaft 2 Brass Washer 1 Nylon Propeller Bearing 2 1 375 Plastic Wheels 2 1 16 Plastic Wheel Retainers 1 3 16 x 60 Rubber Strip 6 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 hobby knife ...

Page 2: ...llowing 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: ...to the fuselage side 11 Glue the left fuselage side to formers F 2 F 3 and F 4 The formers should be 90 degrees to the fuselage side 12 Glue F 8 into position on the front of the fuselage 13 Glue formers F 6 and F 7 into position 14 Glue F 9 and F 10 into position 15 Glue F 10A into position 16 Pull the rear of the fuselage together and glue F 21 into position Make sure that the fuselage is not tw...

Page 4: ...edral gauge to the plan and rest the rib against it so that the top edge of the rib angles toward the wing tip Glue the rib to the leading edge the trailing edge and the bottom spar When dry remove the dihedral brace and save it for use on the right wing 39 Glue the remaining ribs W l through W 6 into position These ribs should be 90 degrees to the building board 40 Glue the wing tip into position...

Page 5: ...he hardware provided 65 Glue the propeller assembly into the removable nose block Be sure to use the correct amount of down and right thrust 66 Tie and install the rubber motor using the 3 16 dowel at the rear end to retain the rubber motor 67 Balance the model at the point shown on the plan Add weight to the nose or tail as required to achieve the proper balance 68 Your model is now complete You ...

Page 6: ... 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 In that Herr Engineering Corporation has no control over the assembly or use no liability shall be assumed or accepted for any damage resulting from the use by the u...

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