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Christchurch and District Model Flying Club |
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Proteus 3D Printed Slope Soarer by Frank Bayes |
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This is my first attempt to 3D print a full model plane. This has really tested my 3D printer and my beginners knowledge. This is the second print, having made many adjustments to the settings to achieve a reasonable result, so I have learned a lot during the process. Each of the wing sections took about 7 hours to print. The files are free to download from Thingiverse here: https://www.thingiverse.com/thing:2086413 The model is intended as a pure slope soarer, and a video of the model is here: https://www.youtube.com/watch?v=aQ_SdMxxsIY The bare airframe I have printed, weighs 350g and has a 43” wingspan. I have used a 5% honeycomb infill to give an internal structure, for the wings and tail, and 10% infill for the elevons and the nose. The structure is a bit vulnerable as is, particularly the edges, so I intend to cover it all with fine woven fibreglass. The airfoil is MH-45 and should cope with strongish winds, so I am not too concerned about the weight addition. The moulded in control horns on the elevons will be replaced as they are not strong enough. I might make some replacement balsa elevons. Photo attached of the component parts and what it should look like finished. |
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