Making the frame:
What you need in this step:
Some 2,5 mm plywood plates for the main frame.
10mm*13mm arms x 3 (should be at least 50 cm’s long)
10 x M3*25mm bolts.
10x M3 nuts.
Washers (Spring washers)
Firstly you need to cut your 3 arms or booms to the correct length. I made mine 50 cm each, for extra stability since i am gonna use it eventually for FPV. So you need to markup 50 cm’s and cut them there. Pretty straight forward:
The next thing you want to or should do is to print out the template from RCexplorers website here. Cut the main frame out with a scissor lay it on you 2,5 mm plate of plywood (or any other sort of wood that is strong enough) and draw around the template with a pencil or a permanent marker. Remember to draw two, as you will need two plates – top and bottom.
Once you cut your two main plates out you want to sand the edges or file them or something like that to make them more smooth. After that you want to go ahead and drill the holes needed for assembling the frame. What i did was to lay the two plates on top each other, and the template on top of those two and align them all so it’s a “snug fit”. Now clamp them together and take a 3mm drill and drill the holes where they are marked on the template.
Next up is to drill the holes in the two front arms. The last one (tail arm) doesn’t need holes because it is kept in by the 4 bolts surrounding it and pressing the plates together around it. You need to drill a hole in one (Only one!) end of each arm 20 mm in from the edge in the middle of the arm.
Now drill a 3 mm hole where you marked it and thats it.
Now from your spare length of the part of the arms you cut away. Cut a small piece of 4 cm’s in length and round to edges which will be the front edges. Now you can assemble the frame, and you now have a professionally made frame. All credits goes to David Windestaal from RCexplorer who designed this frame.
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