SIG Herr P-51 Mustang Assembly Instructions Manual Download Page 6

46.

Place part SW-1 into position against W-2 and the main spars. The angled end should face where the W-1 rib will go and it 
should positioned so that the top edge is flush with the top of the top spar. The angle should allow the top of rib W-1 to 
lean slightly toward the wing tip. When properly positioned, glue SW-1 to the spars and rib W-2. 
NOTE: The top inboard corner of the SW parts is marked with a small X .

 
47.

 
Place rib W-1 into position. Pin the aft end to the plan and glue the rib to the spars and to SW-1.

 
48.

 
Slide the lower 1/16 x 1 trailing edge sheet into the slots in the aft ends of the ribs and glue into position.

 
49.

 
Glue the 3/16 sq. trailing edge to all of the ribs and to the lower trailing edge sheet.

 
50.

 
Glue the top 1/16 x 1 trailing edge sheet into position on the tops of the ribs and the 3/16 trailing edge.

 
51.

 
Glue parts SW-2, SW-3 and SW-4 into position on the back of the spars. The tops of these parts should be flush with the 
top of the top spar.

 
52.

 
Place the 1/4 sq. leading edge into position. Nick the leading edge with your knife and crack it to make the bends at ribs 
W-2 and W-4. Now glue the leading edge to the ribs.

 
53.

 
Fit the top leading edge sheet (marked T) into position and glue it to the 1/4 sq. leading edge. Wet the top of this sheet 
slightly and press it down and glue it to the ribs and to the top spar.

 
54.

 
Use the 1/16 x 3 sheet to sheet the center section of the wing from W-1 to slightly past W-3.

 
55.

 
Remove the wing from the plan.

 
56.

 
Drill the 3/32 hole in the inboard end of the landing gear block as shown on the plan and then glue this block into position 
in ribs W-3 and W-4.

 
57.

 
Install the lower leading edge sheet as you did the top sheet. This sheet should also be glued to the landing gear block.

 
58.

 
Use the 1/16 x 3 sheet to sheet the center section of the wing from W-1 to slightly past W-3.

 
59.

 
Trim and sand the spars and sheet flush with ribs W-1 and W-9. Sand the wing smooth and sand the leading edge round.

 
60.

 
Use the tip of your knife to locate the slot in the landing gear block through the lower leading edge sheet and cut the sheet 
away that covers the slot.

 
 

Building the Right Wing and Joining the Wings

 
61.

 
Build the right wing as you did the left wing.

 
62.

 
Test fit the right and left wing panels together. With one wing panel on your building board you should have approximately 
4 1/2 to 4 3/4 dihedral as shown on the plan. Now glue the two wing panels together.

 
63.

 
Slide the nylon tubes onto the two aileron torque rods and then bend and trim the outboard ends as shown on the plan. A 
small drop of oil in the nylon tube will help prevent glue from sticking them to the torque rods later on.

 
64.

 
Cut a small notch in the aileron torque rod blocks for the upright leg and test fit them to the wing. After achieving the 
proper fit you can glue the torque rod blocks to the wing. Glue them carefully so as not to glue the torque rods to the nylon 
tubes.

 
65.

 
Use thin C/A glue to attach the 1 nylon tape to the joint between the wing panels. Glue one end at the top trailing edge 
with a small amount of glue. Now stretch the tape around the wing tightly and glue the tape completely into position. When 
the glue is dry you can trim away any excess and then lightly sand the tape smooth.

 
66.

 
Glue the wing tip blocks into position on the ends of the wing.

Summary of Contents for Herr P-51 Mustang

Page 1: ...24 Balsa Strip 4 Trailing Edge 1 16x1x24 Balsa Sheet 1 Fuselage Top Stringer 3 32x1 4x18 Balsa Strip 2 Ailerons 1x24 Tapered Ailerons 1 Wing Jig 1 8 sqx24 Balsa Strip 1 Top Fuselage Sheet 3 32x4x18 Balsa Sheet Wood Bag 2 2 Aileron Torque Rods 10 Threaded Rod Bend One End 4 Center Section Belly Scoop Sheet 1 16x3x12 Balsa Sheet 1 Former F 9 Braces 3 32x1 4x6 Balsa Strip 2 Tail Blocks 1 2x3 4x3 1 4 ...

Page 2: ...tting 1 Wing Center Section Tape 1 x20 Nylon Tape 1 LC 506 11 3mmx6x18 Laser Cut Poplar Ply Sheet 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...

Page 3: ...o 229 2 Covering Material 2 Rolls Iron on covering material 1 Paint To match the covering material for canopy and engine compartment 1 Propeller Grish Tornado 6 3 Nylon Propeller GRIQ1050 2 3 32 Wheel Collars Du Bro 138 1 1 16 Wheel Collar Du Bro 137 2 Main Wheels 2 1 4 Du Bro 225T 1 Tail Wheel 3 4 Sullivan 351 T1 Tail Wheel 2 Wheel Bushings Make from K S Brass Tube 127 1 Throttle Pushrod Assembly...

Page 4: ...n on the the formers Now glue the formers F 4 and F 5 to the left fuselage side 11 Pull the front fuselage sides together and glue former F 6 into position 12 Pull the aft end of the fuselage together and hold with two cloths pins 13 Place formers F 9 and F 10 into position and glue to the fuselage sides 14 Place the fuselage top F 7 and glue to the fuselage starting at the front and working towar...

Page 5: ...ers Sand the canopy rails to match the curvature of former F 17 Sand the entire fuselage smooth all over 31 Glue the stabilizer into position at the rear of the fuselage 32 Place the fin into position and sand the tail blocks to shape Now glue the fin and tail blocks to the model 33 Install the elevators and rudder with their hinges but do not glue at this time Cut the slot in the fuselage and rud...

Page 6: ...on the plan and then glue this block into position in ribs W 3 and W 4 57 Install the lower leading edge sheet as you did the top sheet This sheet should also be glued to the landing gear block 58 Use the 1 16 x 3 sheet to sheet the center section of the wing from W 1 to slightly past W 3 59 Trim and sand the spars and sheet flush with ribs W 1 and W 9 Sand the wing smooth and sand the leading edg...

Page 7: ...op on the wing smooth and flush with the parts that are glued to the fuselage Covering 74 Remove the engine control surfaces wing dowels and other items Sand the entire model smooth with 320 grit sandpaper 75 Cover the model with your choice of iron on covering materials 76 Apply the decals and other markings as desired An ultra fine Sharpie Marker can be used to draw panel lines and other details...

Page 8: ...nship 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 In that Herr Engineering Corporation has no control over the assembly or use no liability sha...

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