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Wing Span:89in/2260mm;
Wing Area:93sq.dm;
Length:87in/2208mm;
CAUTION : this plane is not a toy and should be kept away
children under 16 years of age! Before use , please carefully read
this manual.
●First-time builders should seek advice from people having building
experience in order to assemble the model correctly and to produce its
performance to full extent .
●Assemble this kit only in places out of children's reach!
●Take enough safety percautions prior to operating this model.
You are responsible for this model's assembly and safe operation!
●Always keep this instruction manual ready at hand for quick
reference,even after completing the assembly.
Flying Weight:6000g;
Radio:6channels 6servos;
Engine: 50CC GAS engine;
P.1

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Summary of Contents for Turnigy SU-25 50CC

  • Page 1 Wing Span:89in/2260mm; Flying Weight:6000g; Wing Area:93sq.dm; Radio:6channels 6servos; Length:87in/2208mm; Engine: 50CC GAS engine; CAUTION : this plane is not a toy and should be kept away children under 16 years of age! Before use , please carefully read this manual. ●First-time builders should seek advice from people having building experience in order to assemble the model correctly and to produce its performance to full extent .
  • Page 2: Install The Aileron Servo

    Install The Aileron Servo Gather the wings and joiner parts as show. Cut the film along the servo hole on the bottom of the mian wing. Apply AB glue to make aileron attache to the main wing.
  • Page 3 Lay out the servo and draw the servo extention throught the wing and pull through the wing root rib. Link the servo arm and control horn with pushrod as show. Repeat all above steps for the other wing. Install The Rudder & Elevator Gather the elevator and carbon joiner parts as show.
  • Page 4 Cut the position for the stabilizer assembly. Insert the stabilizer with aluminiun joiner . Fixup the stabilizer to the Apply AB glue to make elevator attach to the stabilizer.
  • Page 5 fuselage with four screws on both side. Mount the elevator servo in place and pull the servo wire extension up toward the front. Attach the servo extension wire using foam wire holding brackes or zip ties to the formers along the sides of the fuse so they can't interfere with the rudder control cables.
  • Page 6 Slide the stab on to the alumium tube and attach to fuse using the bolts provided. ●Make sure the bolts has been totally screwed into the blind nuts. Loop the cable back through the brass swage tube as show. Crimp the brass tube with a criming tool or pliers.
  • Page 7 Push Attach an metal threaded RC rods link to each threaded coupler. Attach the RC links to the rudder servo arm and then Rudder attach the servo arm to the servo arm rudder servo as shown. ●Ensure the servo doesn't bind at center or at either end point.
  • Page 8: Join The Wing

    Join The Wing Join the wing with wing joiner as show. Pull out the servo extention. Plastic Use four bolts to fixup the bolt main wing to the fuselage.
  • Page 9: Install The Landing Gear

    Install The Landing Gear Gather the landing gear parts as show,Landing gear strut,4 mounting bolts,washers and lock washers,2 wheels,2axles, and 4 collars . Install the inner wheel collar next to axle bolt.Tighten the inner wheel collar in place. Attach the landing gear to the wheel.
  • Page 10 The finished photo as shown. ●Bottom View High quality carbon landing gear for choice. P.10...
  • Page 11: Install The Fuel Tank

    Install The Fuel Tank The process of the fuel tank assembly. Install the fuel tank mounting Velcro tank straps over foam. ties under the fuel tank floor. External fuel pipe Insert the throttle pushrod through the throttle servo easy link.Move the throttle servo arm to the centered position and pushrod so that carturetor is at half open.
  • Page 12: Glow Engine Installation

    The final throttle servo installation. Install the battery,receiver and switch in place as shown. Glow Engine Installation Attach the escape-pipe to the engine. P.12...
  • Page 13 Draw the engine ecnter line and thrust line darker with a ball point. Note the 2 degree right thrust built in to the firewall. The cowl is already built with this offset as well. Use the drill template if you are going to use a DA 50 or measure your engines mounting location.
  • Page 14: Assemble The Canopy

    Assemble The Canopy Use four 3MM screws to fixup the canopy . Assemble The Cowling Install the cowling with four 3MM screws. P.14...
  • Page 15 CG & Control Surface Movement P.15...
  • Page 16 Finished Photo P.16...
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