3D AEROWORKS Yakovlev Yak-3 Assembly Manual And User Manual Download Page 18 | Manualshive

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Bend up the tailwheel link from 1mm piano wire as pictured below.

SIDE VIEW

ISO VIEW

(X)mm refers to the distance required to fit the wheel and wheel lock of your choice to the
axel. Test wheel was a 20mm diameter x 5mm wide printed. 2mm should protrude from the
wheel collar once fitted to allow crimping of the wire.

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Summary of Contents for Yakovlev Yak-3

Page 1: ...ASSEMBLY MANUAL AND USER GUIDE Yakovlev Yak 3 By 3D AEROWORKS ...

Page 2: ... the last page of the user guide This model has taken many hours of hard work and testing in order to provide a nice flying aircraft Please do not share it Please show your appreciation by directing interested parties to the link below https cults3d com en 3d model various yakovlev yak 3 600mm 3d_aeroworks GENERAL SPECIFICATIONS WINGSPAN 600mm PRINT TIME 46 hrs PRINT WEIGHT 150g PRINT COST 10 USD ...

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Page 5: ...TS X1 2804 2300KV MOTOR or similar X1 20AMP ESC X1 950MAH 2S LIPO OR SIMILAR X4 3 7G MICRO SERVO BAMBOO SKEWERS 3MM HEAT SHRINK TUBE 3mm X2 10mm X 10mm X 2mm MAGNET ROUND X10 MICRO HINGES OPTIONAL VELCRO X2 x 200mm CARBON STRIP 3mm x 0 6mm OPTIONAL M2 x10mm SCREWS 1mm PIANO WIRE M2 PUSH ROD 200mm MINIMUM LENGTH ...

Page 6: ...be cleaned as LW PLA is prone to stringing Do this by gently sanding back the rough sections with a file sandpaper or blade until the surface is smooth 2 All faces which are to be glued to other parts need to be given a light sanding scuff the surface to assist with glue adhesion ...

Page 7: ... hole This will ensure the bit does not tear the print Test fit the sections of the fuse before gluing to ensure a clean fit 4 Glue all sections of the fuse together except fuse 1 This will be glued on last in order to allow for cg balancing 5 Once glued with a sharp knife remove the false floor of the battery hatch see pic highlighted faces NOTE The removed sections of LW PLA that is the false fl...

Page 8: ...its parent part this will make gluing the control surface easier when the time comes NOTE Do not force the hinge if it is too tight Loosen the slot by gently inserting a stanley knife Using the LW PLA as a hinges From the off cuts from the fuselage false floor cut small sections of 15mm x 7mm with the 7mm side being against the grain of the layers Test fit the pieces into the hinge slots of the co...

Page 9: ... to the control surface Then bend the hinges to 90deg back and forward a few times to make sure they are appropriately loose the outer aileron and elevator hinge may need to be trimmed See below 9 Fit the horizontal stabilisers to the fuselage using small sections of 3mm bbq skewers to align the stabilises and glue with CA ...

Page 10: ...wire and the elevators connection to the horizontal stabilisers before gluing the wire to the elevators or the elevators to the tail plane There should be un obstructed travel 11 Glue the rudder elevators and ailerons in place Make sure each control surface has full and free movement ...

Page 11: ...r to assist supporting the landing gear not required if not using the gear Glue the wings to the fuselage NOTE if using 3mm x 0 6mm carbon strip now is the time to install it Simply slide the carbon strip into the slot and cut it so it does not protrude out of the wing circled in red see image The cross structure of the fuselage spreads the load of the wings at the root which negates the need of a...

Page 12: ...stall all servos using a small amount of hot glue to secure it in place The aileron servos mounting tabs will need to be trimmed Connect the ailerons to the servos using 1mm wire and the printed linkage locks 16 Using an appropriate length of skewer with 1mm steel wire on each end covered in heat shrink tubing connect the elevator and rudder to their relative servo Elevator left side Rudder right ...

Page 13: ...d motor mount to the fuselage using m2 screws The mount holes may need to be pre drilled with a 2mm drill bit 19 Wire up the ESC to the motor The esc is intended to sit below the battery floor with the wires connecting to the battery through the hole in the mid section of the fuselage floor ...

Page 14: ...e hub The propeller blades will need to be pre drilled with a 2mm drill bit for ease of fitment Installing the propeller Install the blade to the hub and secure it with an m2 x 10mm screw screw direction towards the back of the hub Install the hub to the motor Secure with either metal nut provided or printed nut Install the spinner The spinner is designed with an m5 thread to suit most small motor...

Page 15: ...TEP 27 Bend up the 2mm section of piano wire according to the diagram below TOP VIEW FRONT VIEW X mm refers to the distance required to fit the wheel and wheel lock of your choice to the axel Test wheel was a 45mm diameter x 17mm wide foam wheel ...

Page 16: ...Add a slight rake forward to the main gear leg This will assist in preventing the model from nosing over on grass fields See below ...

Page 17: ...he wing as pictured below Apply a small amount of hot glue to the outer bend of the leg red circle on image above This will hold it in place but also allow it to be removed if desired Fit the wheel and secure it with a shaft collar ...

Page 18: ...ured below SIDE VIEW ISO VIEW X mm refers to the distance required to fit the wheel and wheel lock of your choice to the axel Test wheel was a 20mm diameter x 5mm wide printed 2mm should protrude from the wheel collar once fitted to allow crimping of the wire ...

Page 19: ...k once in place if desired however this will make removal later on much more difficult Ensure the link is aligned with the rudder so that the wheel will track straight when taxiing 26 Install the wheel and secure it with the printed collar Crimp the end of the wire with a pair of vice grips so that the collar will not slip off A drop of CA can also be added to ensure the collar does not spin with ...

Page 20: ...e hub to the motor Secure with either metal nut provided or printed nut Install the spinner The spinner is designed with an m5 thread to suit most small motors with a regular cw thread Once balanced appropriately glue Fuse 1in place with ca Fit the battery using Velcro as required and balance the aircraft inverted on the CG marking points located 52mm aft of the leading edge at the wing root Using...

Page 21: ...r 15mm Aileron 10mm LAUNCHING It was found that the safest and most successful launch technique for this model was the under arm style The aircraft should be launched at approximately 20deg nose up at 50 to 75 power Too steep and the aircraft will stall too shallow and it will contact the ground ...

Page 22: ...556616077433274567589e7b03 ws_ab_test search web0_0 searchweb201602_ searchweb201603_ 950MAH 2S LIPO OR SIMILAR https www aliexpress com item 32907577121 html spm a2g0s 9042311 0 0 30714c4dJd4d ZG 3 7G MICRO SERVO https www aliexpress com item 32965734270 html spm a2g0o productlist 0 0 57d95e97a WNNAJ algo_pvid 4824ea1c 06ed 43e8 b6c7 9737d1226dbe algo_expid 4824ea1c 06ed 43e8 b6c7 9737d1226dbe 0 ...

Page 23: ...x 0 6mm optional https www aliexpress com item 32576381076 html spm a2g0o productlist 0 0 4e922cc3nR 6757 algo_pvid 500714e5 ce74 4e52 a1b0 e349cac3f595 algo_expid 500714e5 ce74 4e 52 a1b0 e349cac3f595 7 btsid 0bb0623e15991463277515177efc08 ws_ab_test searchw eb0_0 searchweb201602_ searchweb201603_ m2 x10mm screws https www ebay com au itm 400PCS M2 M2 6 Pan Head Self Tapping Screws Assorted Kit S...

Page 24: ...ank you for supporting us We hope you enjoy many hours of flying your micro YAK 3 If you have any questions regarding the build process or set up of your model please contact us at Aeroworks3d outlook com ...

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