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So I was thinking. Inner diameter of your blowpipe x pi equals the circumference .. then if you did the same thing for the diameter (roughly) of the shaft you ar attaching to .. couldn't you come up with a very easy template for uniform hassle free cone making?
Something like the following? Of course you would add a little extra length for the overhang where you would tape or glue the cone.
Note that this illustration was done in 30 seconds in paint and does not represent any actual measurements ... just gives an idea. I will actually work out the math and get an image together in GIMP and make some cones to see how they come out.
Something like the following? Of course you would add a little extra length for the overhang where you would tape or glue the cone.
Note that this illustration was done in 30 seconds in paint and does not represent any actual measurements ... just gives an idea. I will actually work out the math and get an image together in GIMP and make some cones to see how they come out.
