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KANGKE INDUSTRIAL Monocoupe 90A, Assembly Manual

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KANGKE INDUSTRIAL Monocoupe 90A Assembly Manual Download Page 10

Install the elevator servo with the control 
horn at the rear pointing to the center of the 
fuselage 

 
The elevator is one piece and as such the 
elevator push rod does not need the “Y” 
shape.  The “Y” however results in a much 
more ridged and precise control and is 
recommended. Use the dimensions below to 
fabricate the push rod.  

 
Install the elevator push rod in the fuselage. 
Screw a clevis on each of the threaded rods. 
Adjust each clevis until everything lines up 
and install with a rubber ring. 

Install the flying wires. The wires should be 
adjusted so there is no endplay but not so 
tight as to distort the stabilizer or rudder. 
The tail section is now complete. 
 
FUEL TANK 
Assemble the fuel tank with the proper 

stopper for your fuel type. The proto-type 
uses a three-line system with two vents out 
the bottom; this will only work with gas. 
Check your engine manufactures 
instructions for the required line system. 

 
Because gas engines have fuel pumps the 
location of the fuel tank is not as important 
as it is in glow.  Use the three tank support 
sticks to place the tank at the location best 
suited for your application. The picture 
shows where it was placed in the proto-type. 
Place one stick under the tank plug, one over 
the center recess and one in the rear notch. 

 

10

Summary of Contents for Monocoupe 90A

Page 1: ... shall Kangke Industrial s liability exceed the purchase cost of this kit Since Kangke Industrial has no control of final assembly and material used by user for final assembly no liability shall be assumed or accepted for any damage resulting from the use by user of final use assembled products This kit has been flight tested for normal use If the plane will be used for extremely high stress flyin...

Page 2: ... of the 2 4 also caused the need for some ballast added to the tail Our favorite engine was the RCS 140 gas RC Showcase 301 374 2197 rcshowcase com Using an 18 6 prop the takeoff roll with out flaps was about 30 feet and about 20 feet with Landings were easy both with and without flaps normal flight was at and below throttle loops were easy at any speed and no ballast was needed for balance Under ...

Page 3: ...heel kit 1 COWL ASSEMBLY Locate and drill a 1 8 inch hole one half inch up from the bottom of the cowl The hole should be centered in the narrow gap between two cowl blisters Drill a 1 16 inch hole in the center of the top cowl mount tab 3 8 inch up from the sub cowl face Install one screw in the drilled holes center the cowl and measure from the table surface to be sure its square Mark and drill ...

Page 4: ...nk is critical in glow applications a section of the center of the instrument panel must be removed so the tank will fit flush against the firewall The area to be removed is 2 inches wide 3 8 inch high Remove the same size section from the cross brace on the back of the firewall Locate the center of the firewall and draw a vertical line Draw a horizontal line 4 7 16 inches down from the top of the...

Page 5: ...are to the fuselage When satisfied tape the stabilizer in place Turn the fuselage over and mark the fuselage outline on the stabilizer with a felt tip pen With a sharp razor knife cut and remove the covering inch inside the lines on the stabilizer bottom only Place a light coating of 30 miniute epoxy on the bottom of the STABILIZER ONLY Place it back on the fuselage check its alignment and secure ...

Page 6: ...straight edge at the rear of the fuselage to insure a straight hinge line and a square for perpendicular to the stabilizer Wipe the excess epoxy with a paper towel and alcohol and allow to cure Assemble the tail wheel as shown below Be sure the tiller arm is aligned with the tail wheel Measure 1 inches forward from the rear of the fuselage Install the flying wire bracket at this point Slide the ta...

Page 7: ... elevator stabilizer Stick a pin through the center of each hinge Assemble the elevator stabilizer using the pins to keep the hinges centered Align the edges remove the pins and apply two drops of thin CA to each side of the hinges Open the hole in the bottom of the rudder for the tiller arm control link Work a small amount of Epoxy or White glue into the hole and then thread in the link until the...

Page 8: ...er Assemble the rudder horns as shown SERVOS CONTROLS The Monocoupe was designed to use standard servos with 40 ounce inches of torque for the elevator ailerons and flaps The proto type flies using Hitec HS 425BB for all controls except the rudder For the rudder we recommend the Hitec HS 625MG the use of the metal gear servo is necessary to handle steering loads during take off and landing Because...

Page 9: ...s each side of the rear of the fuselage They can easily be found by shining a flashlight down the inside of the fuselage Mount the servo tray inside the fuselage with the four screws Install the rudder servo from the bottom with the appropriate pull pull horn for your servo The horn should approximately 2 1 2 inches wide Shown below is the method used to fabricate the pull pull wires Pass the cabl...

Page 10: ...ld be adjusted so there is no endplay but not so tight as to distort the stabilizer or rudder The tail section is now complete FUEL TANK Assemble the fuel tank with the proper stopper for your fuel type The proto type uses a three line system with two vents out the bottom this will only work with gas Check your engine manufactures instructions for the required line system Because gas engines have ...

Page 11: ...etermine where the rod passes through the firewall Drill a 3 16 inch hole in the firewall at the correct location for the push rod outer casing ruff the end of the casing with sandpaper and epoxy in place Mount the servo in the tray Cut the outer casing and fabricate the inner push rod Open the bottom of the sub cowl to allow engine heat to escape This opening should be at least 3 inches wide for ...

Page 12: ...e and tape in place till dry Assemble the wheels axel Slide the axel through the wheel slide on a collar followed by a nut and washer Adjust the collar and nut till there is 1 8 inch side play for the wheel hold the two washers and locknut for instalation in the pants Install the rotation stop screw and lock nut through the wheel pant and landing gear Slide a washer on the axle and gently spread t...

Page 13: ...est fit Temporarily tape in place Make a couple of index marks on tape to help with alignment and remove Apply a thin bead of canopy adhesive around the windshield 1 8 inch from the edges Position the windshield carefully using the index marks and tape the entire perimeter until dry WINGS The control surfaces on the Monocoupe are hinged at the top this makes the assembly different from what you ma...

Page 14: ... will work if it can reach a temperature of 300 degrees Start with the aileron select a long piece of trim covering and cut to size Remove the backing and tack to the wing at one end Pull it tight and tack at the other end Allow the aileron to hang off the edge of the table and secure the strip to the wing Go slow and avoid bubbles should a bubble appear puncture it with a pin With the aileron sti...

Page 15: ... then they go down If you are using a computer radio with separate channels for each aileron this can be done in the programming If you are using a Y harness notice the angle that the servo arm was installed in the photo This will create the differential needed Always make sure your servos are centered before installing the control rods Install a short control horn in the hole as was done with the...

Page 16: ...the screws do not tighten the screws until the wing and struts are installed on the fuselage Slide the wings over the wing tube and secure with the screws Attach the wing strut to the landing gear snug the screw but do not tighten Adjust the clevises so there is no endplay but not so tight as to distort the wing Now tighten the gear screw Install the top hatch with two wood screws they will need t...

Page 17: ...e reliable and be capable of sustained idle without stalling Remote control gear and the batteries should have a full charge and secure mounting Do a range check on you radio installation this should be done before every flight Bring a friend with you to hold the plane while you test run the engine for a tank of fuel to be sure the is no cooling problem While the engine is running do another range...

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