Funnel: Difference between revisions

From Open Source Ecology
Jump to navigation Jump to search
(Created page with "=Design= Aluminum for corrosion resistance. Cone with hole welded to straight tube. Making cone: shear sheet metal to a circle. Drill hole at circle-center and cut an arc out...")
(No difference)

Revision as of 06:15, 15 November 2012

Design

Aluminum for corrosion resistance.

Cone with hole welded to straight tube.

Making cone: shear sheet metal to a circle. Drill hole at circle-center and cut an arc out of the circle depending on desired angle of cone. Weld ends of incomplete circle together.