Okay. We know that for half inch, five eighth inch, and three quarter inch hose, the name describes the inside diameter of the hose. We know that "hose mender" fittings have a smaller ID than the hoses they fit. And we know that using hose menders reduces the pressure of the water exiting the hose. What we don't know is if we can fit an oversize mender into the hose to reduce the pressure loss.
Technically, we also don't know if using such a mender will actually reduce pressure loss and maintain flow. But that should be a pretty easy thing to check, once we have hoses with oversize menders in them.
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Let's say our hose mender needs the same ID as the hose. So, 5/8" ID for a 5/8" hose. What to use for an oversize mender? I rummaged the internet for a while, found an interesting page on copper pipe:
Copper pipe ... is sold in nominal sizes which are 1/8 inch less than the actual outside diameter.Okay, so the copper pipe we call "half inch" is 5/8" OD.
And then I found copper pipe couplings that just fit over the pipe -- 5/8" ID for half inch copper pipe. Exactly what I'm looking for, for 5/8" hose. For half a buck apiece, I'll try them.
They're thin, too, so the hose should have little trouble fitting over the coupling. I'll get some of those copper couplings and see what I can do with them. And I'll let you know how it goes. But today's not the day for that.
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