Our airplane model:

1 All our plane have the matching carbon fiber servo arms, carbon fiber main and tail landing gear, carbon fiber spinner and wood propeller available.

2

3

4 Removable wings and stabs

Pre-glued cowling ring withblind nuts mounted.

Canister installation positionin Fuselage

5 Pre drilled servo control horns

6

7 Pre installed firewall

8 Pre install pull pull wire with ball links on rudder

9 Carbon Fiber wing tube include

10 Floor and dashboard for cockpit

Laser cut engine mountingtemplates

Caution!

1 You should not regard this plane as a toy!

2 To ensure safety, please read this instruction manual thoroughly

before assembly.

3 Building and operating a model plane requires diligent practice and

correct guidance. An inexperienced flyer can cause serious injury

and property damage.

4 Seek the assistance of an experienced RC pilot or model airplane

club for help with assembly, operation and maintenance to ensure

your flying experience is both enjoyable and safe.

5 Fly only in AMA (Academy of Model Aeronautics) approved areas.

Approved areas or areas approved by the Model Association of

your country.

Main Landing Gear and Tail Wheel Unit

Tail Wheel Unit

1

2

3

Drill a hole and make it fitthe steering tube.

Do not glue it into position untill the tailwheel installation step is completed.

Assembly photo for the tailwheel parts.

Use the tail wheel bracket asa template and drill holes forthe mounting bolts.

4

5

6

7

Insert the steering arm intothe rudder steering tube andposition the tube ready forgluing. Tighten the set nuts.

Epoxy the steering tube inplace as shown.

Install the blind nuts throughthe openning in the rear ofthe fuselage. Attach the tail wheel bracketand secure the bolts withBlue Loctite.

Install the hatch with 4 self-tapping screws

Main Landing Gear Istallation

1

2

Install the landing gear in thepre-drilled holes with thesupplied bolts and lockingnuts. Secure the bolts with BlueLoctite

Install the landing gear axleswith lock nuts but do nottighten yet.

All parts for the main landinggear

3

4

5

6 Mount the wheel pants andsecure the bolts with a dropof Blue Loctite.

Install the wheel and tightenthe collar set screw using adrop of Blue Loctite. Makesure the wheel rotates freely.

Slipping the wheel pant overthe axles and mark theposition for the two attachedbolts.

Drill the holes for theattached bolts and install theblind nuts as shown.

Main Wing Assembly

1

2

Parts for Main winginstallation

Remove the covering fromthe servo position. Find outthe slot pre-opened forrudder control horn, removethe film. as shown.

Fit the control horn into theslot, glue the horns into theaileron of each side.

3

4

5 Put the servo into the servohole, and mark the positionfor the screw to fixup theservo. Pull the extension leadthrough to the root of thewing.

Drill holes for the servomounting screws and hardenthe wood around the holeswith a drop of thin CA.

Use the safety clips (buyseparately) to secure theservo and servo extensionconnected.

6

7

8

Attn:

Drill holes for the servomounting screws and hardenthe wood around the holeswith a drop of thin CA.

Install the control horn.Adjust the horn and servoarm. Fix the horn in placefirmly. Install the ball link andpush rod . Make sure it’s firmand flexible.

Repeat the previous steps forthe other wing.Please install the wing tubeand wing bolts in the finalassembly.

9

Rudder Installation

Connect the two wings withcarbon fiber tube and fournylon screw supplied.

Parts for Rudder installation

1

2

3

4

Find out the slot pre-openedfor rudder control horn,remove the film

Fit the control horn into theslot, meansure the correctlength for it

Cut the longer part

Glue the horns into therudder of each side

5

6

7

8

Repeat the same method onthe other side of the rudder.

Thread the cable connecterhalfway into the ball link .

Connect the pull-pull wireand control horn with ball link

Drill holes for the mountingscrews. Fit the servos asshown with the servo labelfacing the rudder. Harden thearea around the holes with adrop of thin CA.

9

10

11

12

Use brass crimps on eachcable and thread, the cablethrough the end of the pull-pull connector.

Crimp the brass tube with acrimping tool or pliers

A drop of thin CA may beapplied to the brass tube tohelp secure the cable

Install the rudder ball linkswith bolts and locking nuts.Check the pull-pull cables.Rudder and the rudder servoshould both be in the neutralposition.

Stabilizer Installation

1

2

Parts for stabilizer

Connect the pushrod andcontrol horn as shown

Put the control horn into theslot pre-opened, glue it to thestab, on each side

Mxsr 50CC's hidden servo

3 3

4 4

Install the servos in thefuselage in precut locationson both sides.

Install the elevator servo　as shown

Connect the control hormand servo arm with ball link

Connect the servo and thepushrod as in the photo

Sbach 30cc / Sbach 50cc /Mxsr 30cc's exterior servo

5

Attn:

Engine Installation

1 Use a drill to drill screwholes for engine Installation. The holes position for 3W &DL have been lased on thefirewall.

Repeat the previous steps forthe other wing.Install the stabilizer tube andbolts.

2

3

4

Insert the bolts through flatfender washers, the firewalland into the engine standoffs. Tighten firmly. Securemounting bolts nuts with BlueLoctite.

Use a bit to drill a pushrodexit hole on the firewall in linewith the engine carburetorthrottle arm.

Attach the ball link to thethrottle pushrod and secureto the carburetor throttle armwith a bolt and nylon locknut.

5

6

7

Insert the throttle servo intothe servo mounting tray withan output arm forward. Insert the throttle pushrodinto the servo arm easy link.

Use a drill to drill the servomounting holes. Install the servo with servoscrews.

Mark a line for the throttleservo tray, then glue it to thefuselage.

8

9

Insert the throttle pushrodinto the servo easy link. Move the servo arm to thecenter position. So thatcarburetor is half open.Tighten the easy link setscrew.

Use self-tapping screw tofixup the wood to lock thehatch of the engine box.

Muffler and Canister

1

2

3

Bend the flexible manifold toconnect to the canistermuffler. Trim the excess pipeto fit. Tighten the manifold boltsand secure with blue loctite.

Use the silicone coupler andclamps to join the manifoldand the canister muffler asshown.

Remove the cover from thepre-cut canister ari exitopenning and ensure theedge has been sealed.

Fuel Tank

1

2

3 Tighten the velcro tiessecure the fuel tank.

Install the inside parts of fueltank as shown.

Assembly the outside fuelpipe as shown.

Cowl Assembly

1

2

3 Note: Check the enginetemperature. More cut holesmay be required if the enginetemperature is too high.

Use a fiber cutting tool torough out the cowl and finishwith a round sander.

Use templates to cut outother opennings in the cowlfor manifolds if fitted.

Use a paper template tomeasure where the cowl willneed to be cut for theexhaust and spark plug. Trialfit to make sure there is aminimum of 3/8" clear spacearound the engine forcooling.

Center of Gravity

Sbach MXSR Yak55 Slick

27% Mac

CG Location 138mm 132mm

Sbach MXSR Yak55 Slick

30% Mac

CG Location 158mm 172mm182mm145mm170mm

Yak5450cc

132mm 100mm 142mm

Your balance at the CG willdetermine the fin al mountinglocation for batteries. Mountbatteries and secure withNylon zip ties.

Yak5430cc

The center of gravity is onthe rear of the wings tube.

Trail run the Engine to check its stability at high speed and lowspeed to ensure there are no problems with vibration on the model.Run the motor at high speed about 30 min,check the Engine andmake sure the temperature is bleow the prescription ofmanufacturer.Once everything is right.