background image

A

B

B’

B=B’

FRONT-VIEW

  Remove the engine mount and drill a 5mm hole through 
  the fire-wall at each of the four marks marked.

  Using a pencil or felt  tipped pen, mark the  fire wall where the four 
  holes are to be drilled

  Reposition the engine mounts on to the fire-wall.
  Attach the four blind-nut to the fire-wall as show.
  Secure them with four 4x25mm hex bolts.

Position the engine on to the engine mounts so the distance 
from the prop hub to the fire wall is 127mm   

 
 Mark the engine mounting plate where the four holes are to be 
 drilled.
 Note: Mark the mounting plate through the engine mounting flanges.

  Reposition the engine on the engine mount beams, aligning it with 
  the holes. Secure the engine to the engine mount using four
  3x25mm hex bolts.

Note: Apply Silicon sealer to 
each of the 3x20mm hex bolt.

4mm blind-nut

5mm

3mm

...4

.................4

Blind-nut

3mm nut

.................4

...4

4x25mm hex bolt

3x20mm hex bolt

Attach the engine mount beams onto the fire-wall so the distance between 
of two engine mount beams is “A”,and B=B’ as show.
Secure the engine mount beams onto the fire-wall with litter CA glue.

! Align the mark on both engine mount
  beams with the mark on the firewall.

Remove the engine and drill a 3mm holes through the beam
at each of the four marks made above.

 125~127mm

! Engine thrust on balk 
  head is already adjust 
  at factory

1.5

TOP-VIEW

P-51 Voodoo

14- Engine mount & Engine

Step 14:1

Step 14:2

Step 14:3

Step 14:5

Summary of Contents for Dago red Unlimited Air Racer 4

Page 1: ...SPECIFICATIONS Wingspan 57 5 in 146cm Length 50 in 127cm Engine 46 2T 70 4T or Electric equivalent Radio 6 8 channels ...

Page 2: ...driver Awl Scissors Wire Cutters Purchase separately Hex Wrench Sander Masking tape Straight Edged Ruler Pen or pencil Rubbing alcohol Drill and Assorted Drill Bits Read through the manual before you begin so you will have an overall idea of what to do Symbols used throughout this instruction manual comprise Purchase separately CONVERSION TABLE 1 0mm 3 64 1 5mm 1 16 2 0mm 5 64 2 5mm 3 32 3 0mm 1 8...

Page 3: ... articulation 2 Mark the position of the foot of the horn on the aileron Then with the drill make the 2 holes 3 Install the aileron control horn as shown Control horn Alignment Do the same way with second wing half 2 2x30mm 4 2 X CA Thin CA 2x30mm The rectangular hole on the bottom of the flap is pre cut at factory P 51 Voodoo 1 Servo Control horn ...

Page 4: ... but with a gaps sand or trim the parts a little at a time until the parts meet exactly with no gaps Check for the correct dihedral angle Before gluing Draw the center line on the wing joiner Coat one half of the dihedral brace with epoxy up to the center line A B A B 30 min Epoxy Install the epoxy coated side of the dihedral brace into the wing joiner cavity up to the center line Step 3 1 Step 3 ...

Page 5: ...g halves together ensuring that they are accurately aligned Firmly press the two halves together allowing the excess epoxy to run out Note The two wing halves roots must fit together perfectly Clear off the excess epoxy IMPORTANT Please do not clean off the excess epoxy on the wing with strong solvent or pure alcohol only use kerosene to keep the colour of your model not fade Hold the wing halves ...

Page 6: ...2mm 2mm 3x12mm screw 2 2 P 51 Voodoo 6 Fixed gear installation 8 3x12mm screw ...

Page 7: ...1 5mm CA CA CA CA 4 2mm screw P 51 Voodoo 7 Main wheel Note you can use 2x8mm self tapping screws to fix the plastic cover if possible late you can use retract landing gear ...

Page 8: ...vering inside the line not to cut into the wood 6x40mm nylon bolt 2 Using the plastic air scoop and wing shield as a template with the pencil trace around the outside edge of the air scoop and wing shield then remove it P 51 Voodoo 8 Air scoop ...

Page 9: ...tic cover 6x40 plastic bolt Ply wood Plastic mount nut Bottom WING Plastic air scoop Plastic cover 6x40 plastic bolt WING Rubber O ring or rubber band X Note This rubber O ring keeps the plastic bolt from coming out of the wing P 51 Voodoo 9 Air scoop Continued ...

Page 10: ...the wood this will weaken the structure Cut away only the covering both the right and left side A A B B A A 90 O 90 O B B Cut away only the covering both the top and bottom sides CA Thin CA glue When you insert the horizontal stabilizer into the slot on the fuselage if necessary use sander to widen the slot to make this easier Remove the horizontal stabilizer from the fuselage Using the sharp hobb...

Page 11: ... the right and left of the stabilizer where the vertical stabilizer meet the fuselage Trial fit the vertical stabilizer in place C C C C Cut away only the covering on both sides CA Use a small glue faucet Apply the thin CA glue on the vertical stabilizer where it contacts the fuselage both the left and right sides Securely glue together If coming off during flight you lose control of your air plan...

Page 12: ...ail wheel gear in place BOTTOM VIEW H D Securely glue together If coming off during flight you lose control of your air plane 5 5 Bottom view 3 8 in 9 5mm push the elevator and its hinges into the hinge slots in the trailing edge of the horizontal stabilizer There should be a minimal hinge gap When satisfied with the and alignment hinge the elevator to the horizontal stabilizer using thin CA glue ...

Page 13: ...es Reposition the engine on the engine mount beams aligning it with the holes Secure the engine to the engine mount using four 3x25mm hex bolts Note Apply Silicon sealer to each of the 3x20mm hex bolt 4mm blind nut 5mm 3mm 4 4 Blind nut 3mm nut 4 4 4x25mm hex bolt 3x20mm hex bolt Attach the engine mount beams onto the fire wall so the distance between of two engine mount beams is A and B B as show...

Page 14: ... where the four holes are to be drilled Align the mark on wooden motor mounting plate with the mark on the fire wall F1 Fuselage Front view Step 16 2 Step 16 3 X To muffler Filler tube To engine Rubber stopper Checking for leaks block the vents and blow into the feed if in doubt submersing the tank in a blow of water will show up any problems Blow Water Carefully install the fuel tank to ensure th...

Page 15: ... 5mm nut 12 5mm washer 16 5mm 3mm hex bolt nut 4 Secure the Motor to the wooden motor mounting plate using the four 3mm hex bolts Attach the four 5x70mm bolts and nuts to the fire wall as shown P 51 Li po battery tray Rudder servo Elevaror servo Fuselage Bottom view P 51 Voodoo 17 Electric motor Continued 18 Servo Battery tray Step 17 1 Step 17 2 Step 17 3 ...

Page 16: ...ure Secure it in place with CA glue or Epoxy glue X Li po battery P 51 Rudder push rod Tail wheel push rod Elevator push rod Elevator push rod 2x950mm pushrod and clevis 3 2x100mm pushrod 2 3 holes connector 2 1 2x800mm pushrod 1 P 51 Voodoo 19 Elevator Rudder linkages ...

Page 17: ...Cowling Attach the board or transparent plastic on the side of the fuselage with the adhesive tape as show Using a pencil or felt tipped pen trace around the engine head where it meet the cowl Cut the opening the board or transparent plastic for the engine head as marked before Step 20 1 Remove the cowl from the fuselage and carefully cut the opening for the engine head as marked above Do the same...

Page 18: ... air bubbles if there are some carefully puncture sticker center of bubble but not model surface with the tip of the knife or sharp pin and squeeze out the air At curves stretch sticker and apply a little heat so that no ceases occur Cut off the excess that is produced All details are subject to change without notice Technische Anderungen und Irrtumer vorbehalten IMPORTANT Please do not clean your...

Page 19: ...ct this move the battery forward or if this is not possible stick weight onto the firewall When balanced correctly the airplane should level or slightly nose down when you lift it up with your fingers LATERAL BALANCE After you have balanced a plane on the CG you should laterally balance it Doing this will help the airplane track straighter 1 Turn the airplane upside down Attach one loop of heavy s...

Page 20: ...n the diagrams These value will be suitable for average flight requirements Adjust the values to suit your particular needs RUDDER ELEVATOR T ake off 10mm Landing 22mm AILERON FLAP 32mm 32mm 9mm 9mm 6mm 6mm Note Measure rudder s biggest place P 51 Voodoo 23 Control surface ...

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