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Das Liddle Stik RC Airplane

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  • 11.4k views
  • 18 likes
  • 534 downloads

3D model description

This is a fully printable, all parts included "Das Liddle Stik" basically its a smaller version of the famous Ugly Stick and modelled by AeroFred from an RCM plan, this one https://aerofred.com/details.php?image_id=80646

(The source plan is the "Das Liddle Stik" designed by Phil Kraft and Larry Leonard for the 1968 May issue of the RCM Magazine.)

If you don´t know how to print you can order a printed kit here:

https://aerofred.com/details.php?image_id=99742

If you cannot buy it, there is a free version available here: https://cults3d.com/en/3d-model/game/das-liddle-stik-rc-airplane

Read the updates below.

A word of caution on printing this model yourself

The wing has 1.5º of washout so it cannot be assembled flat on a table top! You have to joint the sections one by one vertically making sure the leading and trailing edges are coincident and well aligned.

In other words, the wing is twisted, this is on purpose, assemble it as described above.

If you´re going to use your own printing processes please note that the wing tip needs a double wall 2mm before it starts to curve for the tip and 3 top layers

And the fuselage1 needs 10mm of hex 10% infill to create a firewall and slace for the battery tray, without these 10mm the battery tray will not touch the firewall.

Better use the .factory or gcode files.

Basic specs

Print weight: +/- 850grams
AUW: +/- 1550grams?
WingSpan 115cm
Motor 300watts?
C.G. 90 mm from the leading edge

Needed stuff

Outrunner 3530 or 3536 3s 2200ma/h battery 40amps esc
2 hs81 size servos for rudder and elevator
2 hs55 servos, one for each aileron
2 wheels, the lighter the better, 1 rear wheel and a piece of 2mm wire for the rear landing gear.
0.5mm or 0.75mm piano wire for the links (rudder and elevator)
A colar for the rear landing gear, the rear wheel will be free.
Two or four servo extensions for the wing servos.
Velcro or a velcro strap for the battery
CA hinges
Medium or thick CA
CA Accelerator
A propeller
10 M6X40 Nylon screws
4 M3X20 steels screws and 4 M3 nuts and a few M3 washers.
40cm 10mm carbon fiber tube for the wing (optional)

Files provided:
GCODE files for a Prusa i3MK2
Simplify3D .factory files
STL files

There are minor improvements that I will add in the next release, all described in the text file included in the zip package.

I´m also sharing the files on my website here: https://aerofred.com/details.php?image_id=99742 where you can find many model airplane plans and in the future more 3d printable planes.

RCGroups thread:

https://www.rcgroups.com/forums/showthread.php?2992513-AeroFred-Das-Liddle-Stik-3D-Printable

Updated

Updated on 30.11.2017
Added wing servo covers STL, GCODE, .factory
Added Torque compensated motor mount 2.5º down and 2.5º right
Added reinforcement on the wing tongue, the part that slits into the fuselage at the center of the wing.

Updated on 19.12.2017
Added a lighter tail section STL, GCODE, .factory

Updated on 21.12.2017
Corrected small issue on vertical stabiliser.

Updated 26.12.17
Added Fuselage V2 with battery hatch and reinforcement at the wing fixings, added motor mount spacers, reinforcement on wing trailing edge near fixing bolts.

Updated 2.1.18
Added tricycle landing gear option, F2 and mount for front wheel.

Updated on 13.1.2018
Added all parts as a separate gcode for prusa i3 type printers.

Credits

Flight photos and video thanks to Mr. Tom Mansell
https://www.youtube.com/watch?v=ul8IGv1h6iY
https://www.youtube.com/watch?v=PBOJEQwHUM4
https://www.youtube.com/watch?v=bb8KrTp91H8

The plane is done I won´t be adding any more features, only corrections if necessary.

3D printing settings

0.40 nozzle diameter
0.42 extrusion width
1.05 extrusion multiplier
0.25 layer height

Some parts need a few bottom layers like F1 and F2 some need a few top layers like the elevator and horizontal stabiliser

It´s up to you to fine tune the print settings for your printer.

  • 3D file format: ZIP
  • Last update: 2018/12/13 at 21:39
  • Publication date: 2018/09/26 at 12:23

Tags

Creator

Designs 9
Downloads 1.7k
Sales US$23
Followers 20

License

CC BY NC

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