And PVC cement shouldn't work, unless the tire valve is made out of PVC. All it really does is partially dissolve the PVC, then evaporate (as someone already said). It's not so much "cementing" as it is "welding".
I think I might just use another 11/4" to 1/2" reducing bushing in the back (where the endcap/SCH 80 contraption is), with a 1/2" stub stuck in it to hold the o-ring in place. Should work better than the current design (and I don't have to drill any 1/2" holes in endcaps, which is a pain if you don't have a drillpress).
Of course, then I have to order more bushings (but I had to do that anyway).
Bringing this back, because I have something that seems like a problem.
I'm (finally- things kept getting in the way) building a DCHAP-2-based homemade. However, I'm wondering about one part of the design. Is the outside of the 3/4" endcap supposed to seal with the 11/4" PVC? With the one I'm using, there's a slight (something like 1/132") gap. Should I PVC cement it? Get a different cap?
I will warn you- pipe cutters will bend the tubing inward, making it useless for a breech covering. If I need the end to be flat, I use pipe cutters to lightly mark the tubing, use a Dremel cutting wheel to cut around the tube, and then use sandpaper to deburr and smooth the cut.
If you want to get it to work, yes. If it's anything like the magstrike, it should take about 40 pumps safely, but the only RF20 I've ever had was before I started modding.
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