I simply give kudos to you for going for it! I'm anxious to see how it goes for you.
So the demo version of MOTA will do all this for you without having to buy the actual software?
Here's what I've been wondering about. So you have your lengths from the design. Once you curve the pipe, you have to either lengthen or shorten one side. Or do you split the difference to keep the distance down the centerline to the original design?
I imagine the software does the equivalent of cutting a wedge out from the center, bending the edges together, and adding the removed wedge to the opening made. This maintains length and the proper increase in diameter as the pipe bends.
You can make the whole thing up as a straight pipe then cut and flip at each angle change necessary. If you want a 10 Deg. change cut the pipe at a 5 degree angle, flip one piece 180 degree and reweld.
A modification of the Y cut and transpose the v fillet to the other side (which I think Edisto is getting at) looks a little classier but more work. Either method basically leaves the center line length the same. Your original layout should allow for the length lost by the 8 to 10 hacksaw kerfs which could be a factor especially if you were near the short side on your design.
That looks good! looks like the pipe runs close enough to the chainbrake so that it can't be set when dead starting?
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