There's nothing wrong with reducing couplings other than most of them not being pressure rated, correct? I have the good ones available locally and like the look.
You should be fine with that one because it is labeled nsf-pw, but a majority of the reducers in that style are not pressure rated (nsf-dwv). That does look pretty good :thumbup:
i am making a cannon with interchangeable barrels for different bore sizes. i know the cannon will be less efficient as the chamber to barrel ratio...
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A guy on here (technician1002) was going to do a study on preformance comparison between say a 1 barrel shooting a 1 bearing or a 2 barrel shooting a...