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OV10-Bronco Construction Guide

Specifications:  

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Wing span – 36” 

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Length – 33” 

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Wing area 300 sq. in 

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Weight - (without battery) – 11 oz. 

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Center of gravity is 2-1/4” from leading edge of wing. 

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Motors: 2204 – 2300 KV 

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Props: 6x3CW – 6X3CCW  

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Battery: 1000 mah to 1300 mah 11.1 V 

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Speed Control: 12 Amp. 

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9 gram servos, 2 for ailerons, 1 for elevator. 

 

Additional Items needed to complete kit: 

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Glue – Foam-Tac (FT), Hot melt, and CA (super glue) 

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Velcro 

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Servos 

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Motors 

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electric props 

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ESCs 

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Battery 

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Servo wire extensions 

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Bullet connectors for motor wires 

Summary of Contents for OV10-Bronco

Page 1: ... 4 from leading edge of wing Motors 2204 2300 KV Props 6x3CW 6X3CCW Battery 1000 mah to 1300 mah 11 1 V Speed Control 12 Amp 9 gram servos 2 for ailerons 1 for elevator Additional Items needed to complete kit Glue Foam Tac FT Hot melt and CA super glue Velcro Servos Motors electric props ESCs Battery Servo wire extensions Bullet connectors for motor wires ...

Page 2: ...tail spars 4mm carbon fuselage spars 1 5mm carbon trussing Plywood pieces Wire Z bends landing gear EZ connects Shrink wrap Zip ties 18 gage wire To start the build use Foam Tac referred to as FT to glue the 4mm carbon spars into the grooves as shown The plywood accessory pieces can be spray painted to improve how the plane looks ...

Page 3: ...f the wing as shown Assemble the plywood motor mount pieces with CA glue Then glue the motor mounts to the underside of the wing using a generous amount of Foam Tac as shown Allow this to dry for at least 30min before further assembly While the motor mounts are drying you can solder bullet connectors to motors and ESCs if needed ...

Page 4: ...e esc to the other Do a test of the motors and ESC s before gluing them into the plane to make sure they are working properly If both ESCs have a BEC then the center red power wire must be cut or removed from ONE of the receiver plugs This is done so that the receiver gets power from only one ESC The nose landing gear is held in place by gluing with FT the two plywood pieces one on each side to th...

Page 5: ...ywood wheel collars and CA glue Do not get glue on the wheel it needs to spin freely Use the two metal wheel collars to hold the nose landing gear to the plywood pieces that you glued to the nose bottom The wire landing gear needs to turn freely in the plywood The tail booms can now be glued with FT to the wing as shown Make sure that the carbon spars are facing in towards the center of the wing ...

Page 6: ...own and use FT to glue the two fuselage top pieces in place as shown WARNING Do not attach the center fuselage sides to the wing until ALL electronic wires are installed Glue the horizontal stabilizer in place along with the 7 long 1 5mm carbon trussing with FT Make sure that the tail sides are square to the horizontal stabilizer ...

Page 7: ... Enlarge the holes in the three plywood horns using a 9mm drill bit I recommend using the center hole on the plywood elevator horn Glue the plywood aileron horns into the slots provided as shown in the picture Glue the servo into the hole provided with the arm centered straight down as shown in the picture Attach the wire Z bend to the plywood horn and EZ connect as shown in picture ...

Page 8: ...h the arm centered straight up Attach the wire Z bend to the plywood horn and EZ connect as shown in picture I recommend using the center hole on the plywood elevator horn The elevator servo wire can be glued to the inside of the tail boom with CA or hot melt glue Cut a slit red arrow in picture part way into the underside of the wing and insert elevator wire this is done to hide the servo wire an...

Page 9: ...y from the motor so that the screws fit flush The motors can now be attached to the wing with screws Although we are using quadcopter motors it is not necessary to have one left hand threading and one right hand threading they can be both the same and either will work The ESC and servo wires can now be installed onto the wing and into the slot provided Use a little hot melt glue to hold the ESC an...

Page 10: ...orts Plug the right ESC into the rudder port and the right aileron into the AUX 1 port To install the rear landing gear first glue the plywood base plate to the inside of each motor nacelle with FT align the plate with the spar and the holes in the nacelle note that the large hole in the base plate is toward the rear of the plane Attach the wheels to the landing gear using the plywood wheel collar...

Page 11: ... and wire with FT glue to add extra support Use FT to glue the square plywood support piece on the outside of the nacelle to keep the landing gear straight Cover the wire that pokes through the square plywood with more glue Set the wing on a board to hold the top of the fuselage up off the table Use a generous amount of FT glue to attach the fuselage sides to the wing and make sure the sides are s...

Page 12: ... to hold it in place while glue dries Flip the plane back upside down and glue the nose bottom to the fuselage sides with FT Use pins to hold it in place while the glue dries The fuselage tail top and bottom can also be glued to the fuselage using pins to hold it in place while the glue dries ...

Page 13: ... colored in using a black permanent marker Spread some FT glue on the EPP foam before applying Velcro to hold the receiver Apply FT and Velcro to hold the battery to the inside of the fuselage It should be centered about two inches back from the leading edge of the wing ...

Page 14: ... so that they spin up together at the same RPM The ESC manual should have instructions on calibration In order to use the motors to turn the plane you will need to program a throttle and rudder mix in your transmitter This is how I set up my Spektrum DX9 and its receiver Standing behind the plane looking at the bottom of the wing plug the left aileron and left ESC into the aileron and throttle rec...

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