Fully 3D printed modular RC Sailplane.
by Walt, published
This is a 48 inch wingspan sailplane of my own design. All parts have been 3D printed using PLA. The wing has been test flown, but the entire assembled plane has not yet been tested. The wing uses the Eppler 214 airfoil.
**** Two files updated 18 May 2013 ****
The two files are the Vert_stab and Fuselage_tail files. A very minor change was made to the vertical stabilizer by removing some material at the bottom of the control linkage channel. I've added a feature in the fuselage tail part to allow trapping the sheath end of the flexible control cables using two set-screws. This prevents having to cement the sheath in place to prevent movement.
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All STL files have now been uploaded. I plan on creating a PDF of assembly details that should help, as there are a few areas that need to be assembled in a certain order. Good Luck!
NOTES: The wing requires two 1/8" round carbon fiber rods, and one 0.196" square carbon fiber rod for each half. The rod insertion holes will have to be cleaned out with a drill in some cases. To ease sliding the wing panels onto the rods use dry bar soap rubbed onto the rods first. I used a mitre box and hobby saw to cut the brim from the end of the wing panels. The entire assembled wing weighs 12.7 ounces.