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User Guide
rev. 2022/05
Fully 3d printable
Piper J-3 Cub
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Summary of Contents for 3D LabPrint Piper J-3 Cub

  • Page 1 ... print your plane | www.3DLabPrint.com User Guide rev. 2022/05 Fully 3d printable Piper J-3 Cub page...
  • Page 2 ... print your plane | www.3DLabPrint.com Piper J-3 Cub fully printable R/C plane for your desktop 3Dprinter Fully 3D printable RC model of the classic plane, specially designed as a cheap and easy to build SuperStable RC model for everyday flying. Many scale details such as airframe plating encourages to create realistic paint jobs.
  • Page 3: General Specifications

    ... print your plane | www.3DLabPrint.com General specifications: Wingspan: 1068 mm / 42.0 inch Lenght: 675 mm / 26.6 inch Height: 310 mm / 12.2 inch Wing area: 18,15 dm2 / 1.94 square feet Wing loading: 31 g/dm2 / 15.3 oz/square feet Center of gravity: 44 mm / 1.73 inch from leading edge Airfoil:...
  • Page 4 ... print your plane | www.3DLabPrint.com Piper J-3 Cub OThe Piper J-3 Cub is an American light aircraft that was built between 1938 and 1947 by Piper Aircraft. The aircraft has a simple, lightweight design which gives it good low-speed handling properties and short-field performance.
  • Page 5 ... print your plane | www.3DLabPrint.com Included: 1. 3MF 3D files (primary) Used instead of STL files 3mf files can be used instead of standard STL files, but also include information about slicing in the new version of Prusa Slicer (since version 2.4).
  • Page 6 ... print your plane | www.3DLabPrint.com 5. Scale markings PDF You could print and cut the PDF in scale from thin self adhesive advertisement foil and place it on the model as needed. page...
  • Page 7 ... print your plane | www.3DLabPrint.com Piper J-3 Cub 44 mm Center of Gravity Wing area: 18,15 dm2 / 1.94 square feet Wingspan: 1068 mm / 42.0 inch page...
  • Page 8 ... print your plane | www.3DLabPrint.com Lenght: 675 mm / 26.6 inch page...
  • Page 9 ... print your plane | www.3DLabPrint.com Step By Step PDF/VIDEO userguide Choose airplane at www.3Dlabprint.com, visit our Facebook for latest info. Basic requirments for A6M2 Zero are 200/200/195 mm volume, nozzle 0.4mm recommended (0.35 or 0.5mm alternativelly). Heated bed recommended. Designed to be printed with Polylight LW-PLA filament by 3DLabPrint.
  • Page 10 ... print your plane | www.3DLabPrint.com option B Factory files Simplify3D: We prepared all you need in these files (FFF process settings, parts layout on bed, etc...) You can use these settings as a start point. Adjust according to your need (adapt for your printer), print single parts and so on...
  • Page 11 ... print your plane | www.3DLabPrint.com option D CURA or MatterControl MatterControl and CURA are free and provide satisfactory results. The airframe is still strong enough, but don‘t expect the best quality. Both slicers lacks some very useful features, and finer settings, like multiple processes according to Z height, retraction options, layer start, etc.
  • Page 12 ... print your plane | www.3DLabPrint.com 4. Print it Save the Gcodes to the SD card and insert into your printer. Prepare your printer and start printing, we prefer to use SD card rather than direct USB connection. Scaling the model will lead to unusable result! you will need: LW-PLA filament - (Polylight...
  • Page 13 ... print your plane | www.3DLabPrint.com How to print PolyLight LW-PLA? The basic print setup is almost the same as we use for standard PLA. The only difference is in extrusion multiplier set to 0.5 and turning off the retractions completely. This results in parts with half the weight and still suitable mechanical properties, this model is designed mainly in VASE mode, even that expect some stringing inside and outside in...
  • Page 14 ... print your plane | www.3DLabPrint.com 3DLabPrint Piper J-3 CUB weights (LW-PLA) fuselage gear 26,2 g 0,92 oz gear main legs 23 g 0,81 oz 24,4 g 0,86 oz gear disc (pair) 7,6 g 0,27 oz 13,9 g 0,49 oz...
  • Page 15 0,8mm - 1,5mm carbon rod as a hinge for the ailerons. Just slide it in, there‘s no need to glue the hinge for easy aileron or servo replacement. Wall thickness should be 0.55-0.67 Video guide Piper J-3 Cub wing assembly you will need:...
  • Page 16 Wall thickness should be 0.55-0.67. For fuselage cover arm use a ball pen spring. Put it to the part 2 and glue with part 1 together. See video guide Piper J-3 Cub fusselage assembly you will need: CA Glue - medium Activator for CA Glue Snap knife, SandPaper Some cloth for wiping CA glue...
  • Page 17 Glue rudder part together and mount to the fuselage by piece of PET filament. Check the functionality of the elevator and rudder assembly carefully. See video guide Piper J-3 Cub tail assembly you will need: CA Glue - medium Activator for CA Glue Snap knife, SandPaper Some cloth for wiping CA glue...
  • Page 18 Weave the entire rear wire into the rudder and bend towards the rear. Check the functionality of the landing gear assembly carefully. See video guide Piper J-3 Cub landing gear assembly you will need: 2x M3 x 28-30mm screws for main wheel axle 4x M3 nuts + washers Small piece of 1.5 mm steel wire for tail drag wheel axle...
  • Page 19 ... print your plane | www.3DLabPrint.com 5.2.4 Floats assembly Piper J-3 Cub (experimental) Glue the float parts 1 - 4 together for both sides. Paint the float well for perfect watertightness. The float attachment is marked with an arrow in the direction of flight to avoid confusion.
  • Page 20 Use a 1mm steel wire with Z bends as a linkage between the servos and aileron control horns. Elevator servo will be fixed by servo holder or directly glued in the fuselage. See video guide Piper J-3 Cub servo assembly you will need:...
  • Page 21 Pre-flight check center of gravity is very important (move it 5mm forward for the first flights), battery properly charged, ailerons and elevator deflection check, your own flying skills or RC simulator training ... Flight video of Piper J-3 Cub page...
  • Page 22 ... print your plane | www.3DLabPrint.com 10. Pilots Please Attention! Enjoy the fun together! Piper J-3 Cub is the next of new LW Planes For the first flights we recommend setting series designed for easy and cheap flying. the center of gravity to around 5 mm The build is simple even for a beginner.
  • Page 23: Shopping List

    ... print your plane | www.3DLabPrint.com Shopping list Printing material: Polylight LW-PLA a few of PLA or PETg (elevator arm, motor mount, landing gear, ...) R/C system, 5 or more chanels Motor: 2830/1000KV, opt1, opt2 or similar Propeller: two blade GWS 8 x 4 (ugly orange) or opt1 or any 8/4 CCW ESC:...