Crude. But, I'm at work using the edge of a card with a 75mm scale on one edge.Not being a wiseguy, what airgun has a “welded” end cap? Just curious. I have only been into PCP’s for maybe 3 years and have looked at a lot of guns with tube style tanks, but none appeared to be welded, but that doesn’t mean there aren’t any. Being a welder my entire career, I pick up on weded assemblies fairly readily. And having weded many high pressure assemblies for the oil and gas industry I can attest to highly engineered and tested/qualified weld techniques and qualifed welders. HP is nothing to second guess. While I worked in the dive industry I had access to some very interesting and fatal mistakes divers made when they built their own stuff. Makes for good reading.
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