I think they leave it open to dispense air over a larger area. That way it will not affect accuracy.
Also, the dia of the shroud will not work with the bottle. It would have to be cut or the raised.
Steve had commented that he has tested other shrouds and the design that they came up with is the one you have.
They seem to work pretty well.
I think they leave it open to dispense air over a larger area. That way it will not affect accuracy.
Also, the dia of the shroud will not work with the bottle. It would have to be cut or the raised.
Steve had commented that he has tested other shrouds and the design that they came up with is the one you have.
They seem to work pretty well.