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BP Hobbies E-AERO EPP PITTS KIT User Manual

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E-AERO EPP PITTS KIT
From
BP HOBBIES
Parts Included in kit

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Summary of Contents for BP Hobbies E-AERO EPP PITTS KIT

  • Page 1 E-AERO EPP PITTS KIT From BP HOBBIES Parts Included in kit...
  • Page 2 Thank you for purchasing the BP Hobbies/E-aero EPP Pitts. Please take the time to read through the instruction manual before beginning the build. If you have had little or no experience working with EPP foam it requires some patience to work with it. Although the Pitts is not hard to build, it is certainly different than building a balsa or EPS foam plane.
  • Page 3 Step 1 Using hot melt glue or medium CA glue the rear top section of the fuse together. If you are using hot melt glue do not leave the airplane in a hot car for long periods of time. The heat will soften the hot glue causing a glue failure at the joint.
  • Page 4 Step 4 Using medium CA glue the fuse rear bottom section to one of the sides making sure that there is a 90 degree angle between the side and the bottom. Step 5 Glue the other fuse side to the rear bottom piece.
  • Page 5 Step 7 Use a little force to pull the two sides together and hold until the glue sets. Step 8 It should look like this when completed. Step 9 Using ONLY hot melt glue apply a good amount of it in the grove where the landing gear wire will be installed.
  • Page 6 Step 10 While the glue is hot force the landing gear wire into the slot. Hold the wire in place until the glue sets. Step 11 Apply hot melt glue to the landing gear cover. There are small notches in the foam piece to aid you in positioning the two pieces.
  • Page 7 This is what it should look like when finished. Step 13 Bevel the shaded area with a hobby knife. Step 14 Bevel the shaded area with a hobby knife...
  • Page 8 Step 15 Apply hot melt glue to the shaded area.
  • Page 9 Step 16 Before the hot melt glue sets, place the landing gear block into the fuse and hold it until the glue sets. Step 17 Apply hot melt glue to this area. Hold them together until the glue sets.
  • Page 10 Step 18 Apply medium CA to the front foam firewall as shown. Step 19 Push the firewall in until it is flush with the fuse sides. Spray the assembly with accelerator and hold until the glue sets. Spray the inside of the fuse and firewall with accelerator to set the glue.
  • Page 11 Step 20 Using CA glue the fuse sides together where the vertical fin will Step 21 Use a hobby knife to trim the fuse end square and cut a flat spot on the top of the fuse to accept the vertical fin.
  • Page 12 Step 23 The two lower wing center sections have dihedral cut into them. DO NOT confuse these with the two top pieces without dihedral. The two lower wing outer panels have cut outs in them for servos. Step 24 Glue the inner panels to the outer panels using medium CA.
  • Page 13 Step 26 Glue in the flat carbon wing center reinforcement with thin CA and accelerator on the bottom wing. Step 27 On the top wing cut a slit in the foam as shown to accept the top wing center reinforcement. Step 28 Glue it in place using thin CA and accelerator.
  • Page 14 Step 29 Glue two pointed rods in each wing strut with thin CA and accelerator. Step 30 Dry fit the wing strut to the bottom wing. Push the wires into the foam. The position of the strut should be on the line.
  • Page 15 Step 32 Make holes in the top of the fuse for the cabane struts as shown in the photo. Step 33 Make 4 carbon rods that are 5cm long. Wrap them with clear duct tape. Step 34 Insert the two cabane struts in the holes of fuse previously made.
  • Page 16 Step 35 On the bottom of the top wing make two pockets 6cm square for the cabane struts. The center for each hole is 35mm and 95mm form the front of the wing. Do not make a hole through the wing. Step 36 Glue the bottom wing to the fuse with hot melt glue.
  • Page 17 Glue the leading and trailing edge of the bottom wing. Step 37 Glue the carbon flat spar reinforcement into the elevator with thin CA and accelerator. Step 38 Slide the elevator into the slot in the fuse.
  • Page 18 Step 39 Set the horizontal stab so that it is the same distance side to side. Step 40 Turn the plane over and insert the wing strut into the top wing as shown. Line the back of the strut up with the leading edge of the aileron and the two wires on the line that is marked on the wing.
  • Page 19 Step 42 Hot melt glue the two struts into the top wing. Once the glue has set turn the airplane over and pull the top wing so that it is flat. When it is flat glue the cabane struts to the fuse using medium CA and accelerator.
  • Page 20 Step 44 Glue the assembly into the rudder using thin CA and accelerator.。 Step 45 Glue the rudder and horizontal stab to the airplane using medium CA and accelerator. Make sure that the tail surfaces are equal distance from the main wing.
  • Page 21 Step 46 Slip the wheels into place. Hold them in place with heat shrink tubing. Put a drop of thin CA on the tubing to hold it in place. Step 47 Build a left and right wheel pant from the three pieces in the kit. Use medium CA and accelerator to hold the pieces together.
  • Page 22 The completed wheel Pant Step 48 Put the wheel pant over the wheel. Use hot melt glue to hold the wheel pant in place.
  • Page 23 Step 49 From the parts grab the two triangle shape landing gear reinforcements. Position them on the landing gear wire as shown. Using medium CA glue the foam triangle pieces in place. Use ht melt glue where the piece mates to the fuse.
  • Page 24 Step 50 Glue the tail wheel reinforcement on to the plane with hot melt glue. Secure the tail wheel with heat shrink tubing and CA. Step 51 Glue in the servo block as shown using hot melt glue.
  • Page 25 Step 52 Make a push rod cut out in the rear of the fuse as shown for the rudder. On the opposite side make a cut out as shown for the elevator.
  • Page 26 Step 53 Make a slit in the foam with a hobby knife for the rudder control horn. Make a slit in the elevator as shown for the elevator control horn. Step 55 Install the elevator and rudder servo using hot melt glue.
  • Page 27 Step 56 Make up two carbon pushrods as shown using the z bend and heat shrink tubing. Wick a few drops of thin CA into the joint and spray accelerator to set the glue. Step 57 Slip the rudder control horn over the z bend wire.
  • Page 28 Step 59 Glue in the rear turtle deck cockpit using medium CA. Step 60 On the bottom wing custom fit the servo holes to fit your servos. Step 61 Install the two aileron servos with hot melt glue. Make a slit in each aileron for the control horn.
  • Page 29 Step 62 On the top wing make a slit in each aileron for the control horn. Glue it in with thin CA. Step 63 On the center of the bottom wing make a hole for the servo leads to go through.
  • Page 30 Step 64 Hook up the ailerons as shown. Step 65 Assemble the push rods between the ailerons as shown using carbon rods, Z bends and heat shrink tubing. Put a bend in the wire as shown. This will allow you to make adjustments between the top and bottom ailerons.
  • Page 31 Step 66 Using hot melt glue attach the cowl mounting blocks to the front firewall. Step 67 Glue the wood motor mount to the front of the airplane as shown. Step 68 Mount the motor to the airplane with four wood screws. Put a couple of washers behind the motor to give it some right thrust.
  • Page 32 Step 69 Attach the cowl, prop and spinner. Step 70 Install the receiver and make all of the servo connections. Step 71 The Center of gravity is 3.5 inches back from the leading edge of the top wing.
  • Page 33 Step 72 Your Pitts should be ready to fly. For the initial flight set the control throws to the following. You can always add more throw after you get comfortable with the plane. Ailerons- 5/8 inch up and down Elevator- ½ inch up and down. Rudder- 1 ½...