Fluid dynamics. My daytime job involves HVAC design and "bend losses" are real. I am not arguing whether or not there's anything noticeable. I am simply stating that you will have less "loss" flowing out the bottom.
@tbone1004 you're pretty much echoing what I said. A 2nd stage can be set to whatever you want it to be. Octo or not. That said a typical "shop tuned" octo will have a higher breaking point. As for the better flow out the bottom? I assure you a machine can tell as it's one less 90 degree turn vs...
The breathing (cracking effort) would not really be affected much but the air flow would be. And yes a downstream reg would freeflow at an increased IP.
It should be negligible if the IP was set similar on the first stages. 135 +/- 10
And yes. Bottom port flows best but to the average person not noticeable.
I just read your post. The o-ring on that set up typically goes where I've indicated. Putting the o-ring on the bottom usually blocks the small HP hole.
I'm in the same boat as rhwestfall. Don't have access to my stuff right now. When you remove the fitting and look in the body of the reg is there a small hole of to the side of the main hole?
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