Red Devil quadcopter
by MechTronic, published
I also printed and reworked the vampire of Swepet, a real great copter. But as I said, when you are a beginner like me, you keep on printing after each try.
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In the US, I found the 15mm x 15mm x 1.5mm aluminum square tube at www.metricmetals.com, not too bad on cost. So I bought enough to make several.
I made this, and I'm very happy about it. I used 1000mm square tube instead of 800mm, still with a pitch of 600mm for the motor pods. My propeller are a bit bigger and I wanted to be safe so that even if two arms were to contact a wall, the propeller would still not be able to hit the wall, that's why on mine the arms stick out 200mm.
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this is to cut weight.
The feet should be printed with support material on, because of the part that will go into the aluminium tube.
The 2x aluminium 15mm square tube L=800mm, wall thickness 1.5mm, are cut out half in the middle to fit into each other and form a cross.
I post it as a SolidWorks Part and pdf.
The motor pods are at a 600 mm pitch.
The arms will stick out 100mm to protect the props.
You need about 12 40mm M4 hex socket head cap screws and 16 nylock nuts and some M4 washers to protect the plastic.
The canopy for the Red Devil is a rendered SW-part (jpeg), because I did not yet printed it, I will wait with the release of the stl.
I have added a light version (approx. 50% less filament) of the body half, with more countersunk holes for hex nuts and slightly longer slotholes for the Lipo-straps I use.
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