The original design of the spout we used in testing from 2018-2022 was a straight-through spout simply for ease in prototyping (simplest to machine out of polycarbonate as opposed to injection-molding).Originally Posted by ecp
The current design is a one-piece spout with the added Arc-Flow design (curved outflow).
There is no reason it could not also be made as a two-piece (spout + stubby) as well, or have a CV incorporated. The new spout design is designed to solve the problem of blocking off the most recent tree rings, which happen to be the most productive in terms of sap flow and highest sap sugar content. The Arc-Flow design on the outflow channel is designed to reduce friction in the lateral lines by reducing turbulence that occurs. This friction is most apparent at tee fittings but occurs anytime that fluid (gases and liquids) moves through a fitting or tubing system.
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