SkyLine SBach 342 Thunderbolt Assembly Manual Download

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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.

Removable wings and stabs

Pre-glued cowling ring with
blind nuts mounted.

Canister installation position
in Fuselage

Summary of Contents for SBach 342 Thunderbolt

Page 1: ......

Page 2: ... 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 with blind nuts mounted Canister installation position in Fuselage ...

Page 3: ...lled 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 mounting templates ...

Page 5: ... 1 2 3 Drill a hole and make it fit the steering tube Do not glue it into position untill the tail wheel installation step is completed Assembly photo for the tail wheel parts Use the tail wheel bracket as a template and drill holes for the mounting bolts ...

Page 6: ... the tube ready for gluing Tighten the set nuts Epoxy the steering tube in place as shown Install the blind nuts through the openning in the rear of the fuselage Attach the tail wheel bracket and secure the bolts with Blue Loctite Install the hatch with 4 self tapping screws ...

Page 7: ... 2 Install the landing gear in the pre drilled holes with the supplied bolts and locking nuts Secure the bolts with Blue Loctite Install the landing gear axles with lock nuts but do not tighten yet All parts for the main landing gear ...

Page 8: ...e Install the wheel and tighten the collar set screw using a drop of Blue Loctite Make sure the wheel rotates freely Slipping the wheel pant over the axles and mark the position for the two attached bolts Drill the holes for the attached bolts and install the blind nuts as shown ...

Page 9: ... for Main wing installation Remove the covering from the servo position Find out the slot pre opened for rudder control horn remove the film as shown Fit the control horn into the slot glue the horns into the aileron of each side ...

Page 10: ...e screw to fixup the servo Pull the extension lead through to the root of the wing Drill holes for the servo mounting screws and harden the wood around the holes with a drop of thin CA Use the safety clips buy separately to secure the servo and servo extension connected ...

Page 11: ...es with a drop of thin CA Install the control horn Adjust the horn and servo arm Fix the horn in place firmly Install the ball link and push rod Make sure it s firm and flexible Repeat the previous steps for the other wing Please install the wing tube and wing bolts in the final assembly ...

Page 12: ...9 Rudder Installation Connect the two wings with carbon fiber tube and four nylon screw supplied Parts for Rudder installation ...

Page 13: ...3 4 Find out the slot pre opened for rudder control horn remove the film Fit the control horn into the slot meansure the correct length for it Cut the longer part Glue the horns into the rudder of each side ...

Page 14: ...hread the cable connecter halfway into the ball link Connect the pull pull wire and control horn with ball link Drill holes for the mounting screws Fit the servos as shown with the servo label facing the rudder Harden the area around the holes with a drop of thin CA ...

Page 15: ...ull connector Crimp the brass tube with a crimping tool or pliers A drop of thin CA may be applied to the brass tube to help secure the cable Install the rudder ball links with bolts and locking nuts Check the pull pull cables Rudder and the rudder servo should both be in the neutral position ...

Page 16: ...Stabilizer Installation 1 2 Parts for stabilizer Connect the pushrod and control horn as shown Put the control horn into the slot pre opened glue it to the stab on each side ...

Page 17: ... servos in the fuselage in precut locations on both sides Install the elevator servo as shown Connect the control horm and servo arm with ball link Connect the servo and the pushrod as in the photo Sbach 30cc Sbach 50cc Mxsr 30cc s exterior servo ...

Page 18: ...Installation 1 Use a drill to drill screw holes for engine Installation The holes position for 3W DL have been lased on the firewall Repeat the previous steps for the other wing Install the stabilizer tube and bolts ...

Page 19: ...nd offs Tighten firmly Secure mounting bolts nuts with Blue Loctite Use a bit to drill a pushrod exit hole on the firewall in line with the engine carburetor throttle arm Attach the ball link to the throttle pushrod and secure to the carburetor throttle arm with a bolt and nylon lock nut ...

Page 20: ...mounting tray with an output arm forward Insert the throttle pushrod into the servo arm easy link Use a drill to drill the servo mounting holes Install the servo with servo screws Mark a line for the throttle servo tray then glue it to the fuselage ...

Page 21: ...ttle pushrod into the servo easy link Move the servo arm to the center position So that carburetor is half open Tighten the easy link set screw Use self tapping screw to fixup the wood to lock the hatch of the engine box ...

Page 22: ...r muffler Trim the excess pipe to fit Tighten the manifold bolts and secure with blue loctite Use the silicone coupler and clamps to join the manifold and the canister muffler as shown Remove the cover from the pre cut canister ari exit openning and ensure the edge has been sealed ...

Page 23: ...Fuel Tank 1 2 3 Tighten the velcro ties secure the fuel tank Install the inside parts of fuel tank as shown Assembly the outside fuel pipe as shown ...

Page 24: ...er cutting tool to rough out the cowl and finish with a round sander Use templates to cut out other opennings in the cowl for manifolds if fitted Use a paper template to measure where the cowl will need to be cut for the exhaust and spark plug Trial fit to make sure there is a minimum of 3 8 clear space around the engine for cooling ...

Page 25: ... Yak55 Slick Edge Extra330sc 30 Mac CG Location 158mm 172mm 147mm 170mm Yak54 30cc The center of gravity is on the rear of the wings tube 142mm Your balance at the CG will determine the fin al mounting location for batteries Mount batteries and secure with Nylon zip ties 132mm 100mm 182mm 145mm 170mm Yak54 50cc ...

Page 26: ...y at high speed and low speed to ensure there are no problems with vibration on the model Run the motor at high speed about 30 min check the Engine and make sure the temperature is bleow the prescription of manufacturer Once everything is right ...