3dEPP EPP Yak 55, Assembly Manual

Page 1: ...ur body fingers and hands when working with knives adhesives or tools Never cut towards exposed skin when using hobby knives or blades Insure hobby knives are placed on tables or benches in a manner that will not allow them to roll or be knocked off ALWAYS have access to a first aid kit handy when working with knives adhesives or tools ALWAYS keep knives adhesives and tools out of reach of childre...

Page 2: ...fe with EPP Connectors for ESC to Battery Hot Glue Sticks Velcro Solder For additional information we highly recommend checking out the following links on RC Groups for tips tricks and additional information 3dEPP Website www 3depp com 3dEPP YAK 55 THREAD http www rcgroups com forums showthread php t 1101664 Leadfeathers EPP YAK 55 TREAD http www rcgroups com forums showthread php t 964237 EPP YAK...

Page 3: ...ward fuselage aft fuselage and stabilizer 3 Starting at the front motor mount apply a small amount of Welders glue along the back edge of the motor mount and forward center section of the wing where the tab is located Pin or weight parts down to hold them in place while the glue dries ...

Page 4: ...om the center section can be used as a plug by cutting it off the center section and gluing in it place with Welders glue on the lower fuselage The same can be done for the elevator and aileron servo which are located on the top fuselage This is an option if using dual aileron servos or if a different size servo is used however we recommend the HXT500 servo on all control surfaces 6 Test fit top o...

Page 5: ...rating from the wing assembly as it dries 10 Next test fit the lower fuselage into the bottom side of wing and tail assembly Make sure the lower fuselage and rudder fit flush against each other this joint will form the lower hinge 11 Place fuselage upside down on edge of table and place a weight on top of the wing to keep it stationary on table 12 Again making sure the lower fuselage to rudder hin...

Page 6: ...a clean cloth and alcohol to remove grease residue on the outside of the servo housing 15 Center the aileron servo with your radio or servo centering tool and install the long double sided servo arm Use the outer holes on the long servo arm ...

Page 7: ... of the motor mount to insure a good bond between the motor mount and the foam Test fit the mount before gluing in position Place a small amount of glue on each of the four sides of the motor mount and spread evenly along the mount Carefully but quickly slide the mount into place making sure the screw is located on the bottom side Make sure the upper and lower fuselage and the forward horizontal m...

Page 8: ... a bead of Welders glue on all sides of the upper lower fuselage to wing assembly mating areas Use a round dowel rod along the length of the joint form a nice fillet between fuselage and wing and tail assembly ...

Page 9: ...ll hole in the control horn is directly above the hinge line Once the fit has been verified remove the control horn and apply a small amount of Welders glue or super glue to the control horn and insert into slot in foam again making sure the hole in the control horn is directly above the hinge line ...

Page 10: ...10 20 Install the pre made end of the aileron control horn into the plywood control horn that was just glued into the aileron control surface ...

Page 11: ...on servo stays centered and the aileron is flat on table it may be necessary to trim the carbon rod if it is to long and extending past the control horn Once the two are glued together make sure the aileron is streamline with the inboard side of the wing when servo is centered Slide the heat shrink tubing over the carbon and music wire Being very careful and making sure you do not to get to close ...

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Page 15: ...th hot glue 23 Cut a small slot in foam for servo wires to feed thru to receiver as show in picture 24 Test fit the plywood control horns in precut slots on top side of the elevator Make sure the small hole in the control horn is directly above the hinge line Once the fit has ...

Page 16: ... the same technique as used on the ailerons center the elevator servo and insure servo arm is located as close to center as possible Hook the pre made end of rod into the servo arm Making sure servo is centered and elevator control surface is centered and streamlined with the horizontal stabilizer glue the z bend to the carbon rod with super glue Next heat shrink the tubing over the carbon and wir...

Page 17: ...t the process used on the ailerons and elevator to complete the rudder control rod assembly 27 Solder the motor to the esc and make sure motor is spinning in the right direction Install the motor into the motor mount and tighten small screw located on the lower side of the motor mount ...

Page 18: ...ne and the fuzzy side on the battery 29 Put small piece of Velcro on left side for esc receiver again we use the ruff side on the place and the fuzzy side on the esc and receiver 30 Cut a whole in the lower side of the fuselage near the carbon wing spar to allow for wires to reach battery on right hand side of fuselage ...

Page 19: ... 9 from the nose of the plane You can use this as a starting point and change it to your liking The Yak 55 has a wide range of CG so play around with it to see what you like 32 Congratulations on your build THANK YOU FOR CHOOSING ...