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Liberty XL Construction Guide

 
 
Specifications:  

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Wing span – 36” 

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Length – 36 ” 

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Weight – 14 Oz (with battery). 

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Center of gravity is 2-1/2” from front edge of upper wing, at the root or center. 

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Motor: (40 to 50 grams) 2826/32 – 1050KV (10x6DD prop)  

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or 2826/26 – 1270KV (9X5DD prop) 

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Battery: 800 mah  to 1300 mah 11.1 V 

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Speed Control: 20 Amp. 

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

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5 gram servos, 1 for rudder.  

 
Additional Items needed to complete kit: 

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

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Velcro 

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Servos 

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Motor 

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Prop saver 

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electric prop 

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ESC 

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Battery 

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Paint (if unpainted kit is purchased) 

Summary of Contents for XL

Page 1: ... Motor 40 to 50 grams 2826 32 1050KV 10x6DD prop or 2826 26 1270KV 9X5DD prop Battery 800 mah to 1300 mah 11 1 V Speed Control 20 Amp 9 gram servos 2 for ailerons and 1 for elevator 5 gram servos 1 for rudder Additional Items needed to complete kit Glue Foam Tac Hot melt glue and CA super glue Velcro Servos Motor Prop saver electric prop ESC Battery Paint if unpainted kit is purchased ...

Page 2: ... carbon spars 16 750 x 4 trailing edge of each aileron 3mm tube spars 7 x 2 fuse 6 x 5 foam struts rudder and servo support 14 5 x 1 elevator 25 25 x 2 fuse 33 x 2 wings 1 5mm rod 20 25 elevator control rod 22 5 rudder control rod 4 x 2 aileron control rod 5 25 x 2 vertical control rods between ailerons 13 875 x 4 wing trussing 5 x 2 tail trussing 5 5 x 2 tail trussing Start the build by gluing th...

Page 3: ...of the fuse as shown and spread Foam tac over the tape with a scrap of EPP foam After glue has dried cut off and tape that is hanging over the edge Glue the 5 long 3mm servo support spars above the bottom servo holes as shown Note that there is no groove in the foam the spar lays on top of the foam ...

Page 4: ...e tail Use a liberal amount of Foam tac to glue the plywood motor mount to foam bulkhead as shown Use the tabs and slots provided to locate and glue the two bulkheads in place as shown Also glue one of the 25 250 spars into the corner as shown The spar is longer than the fuse bulkhead and will get glued to the horizontal stab later ...

Page 5: ...of the fuse in place using the slots and tabs provided lay weights on it until the glue dries Now glue the second 25 250 spar into the corner of the fuse as shown A third small support bulkhead is now glued in the fuse using the tab and slot provided ...

Page 6: ... the ailerons The plywood pieces can now be painted and holes enlarged with a 1 32 031 drill I recommend using the middle hole on the rudder and elevator horn and the top hole on the aileron horns Glue plywood horns into the slots provided on the elevator and rudder ...

Page 7: ...e short aileron horns to the TOP of the upper wing The top and tail edge of the fuse needs to be glued together with either Foam Tac or hot melt glue Use clamps or pins to hold foam together until glue dries The nose cover should be pre curved on a pencil before gluing in place ...

Page 8: ...r in place as shown Use Foam tac to glue battery Velcro to inside of fuse as shown Note the adhesive on the Velcro is not good enough by its self to hold it in place Glue Velcro to inside bottom of fuse as shown to hold your receiver ...

Page 9: ...tor wires Check to make sure motor is spinning the right direction Switch any two motor wires to change the direction Glue Velcro to bottom of main fuse bulkhead as shown This will later be used to hold ESC in place Glue windshield in place with Foam tac or hot glue ...

Page 10: ...ir dryer on the shrink wrap The glue and shrink wrap can also be reheated to move and adjust the wire Don t forget to add the control rod supports before gluing on the Z bends To install the rudder control rod Glue the 5 gram servo in place with the control arm centered straight UP Attach the control rod to the plywood horn middle hole recommended Lengthen or shorten the control rod by reheating t...

Page 11: ...lots and glue to attach the lower wing to the fuse To install the aileron control rods Glue the 9 gram servos in place with the control arm centered straight DOWN Attach the control rod to the plywood horn TOP hole recommended Lengthen or shorten the control rod by reheating the glue and shrink wrap if needed Once the control rod and wire is the right length the arm can be screwed to the servo Not...

Page 12: ...ing trussing with the spars in the wing as shown and glue in place Make sure fuse and struts are square to wing Also put a dab of glue where the trusses criss cross each other Attach the vertical aileron control rods using the wire Z bends on the bottom and the wire L bends on the top Reheat the shrink wrap to shorten or lengthen the control rods Use the two plastic EZ links to lock the wire L ben...

Page 13: ...tail trussing into the slots provided Make sure horizontal stab is square to the fuse The motor prop and speed control can now be attached to the plane The servo screws can be used to attach the motor to the plywood Push the battery connector through the hole provided in the bulkhead ...

Page 14: ... the velcro inside the fuse after plugging in the servo wires and binding to the transmitter Move your battery forward or back inside the fuse to get the right CG The CG is at the spar in the top wing or 2 1 2 from the leading edge of the upper wing at the root or center of wing After plugging the battery in the connector and wires can be hidden by pushing them down through the hole ...

Page 15: ... for aileron and elevator should be set at 1 both directions with about 30 EXPO As you get use to the plane the throws can be increased Always do a preflight check to make sure control surfaces are moving in the correct direction The build is complete Now go fly that Foamy ...

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