AndersK wrote:Have you tried with a regular #8 alumina cup on the stubby lens?
If you get better result you know the lens and everything behind up to the back cap is alright.

No the subby lens is a smaller size and wont thread onto the #8 cup.

Honestly I think they are just too small. That said, I did try with 1/16 tungstens and it didnt make a difference. The frustrating thing is, they LOOK good. They are well machined and put together... DSC_0917.JPG DSC_0916.JPG Here I had to grind off the deformed copper to remove the brass retaining ...

I went back in the shop and had another crack at it. My ceramic #8 cup with gas lens gets great coverage at 15SCFM with 15mm of stickout and at less than 10 SCFM at 10mm stick out - no problems at all. Switch to the stubby with pyrex, total disaster - even at 30 SCFM, made no difference. It feels li...

More info: Everlast 205s, 10-15 SCFM Im confident the gas is clean, I followed Jodys advice and made the homemade air dryers and the crystals havent turned color at all. Yeah you can see the first run with the ceramic cup (also gas lens inside) starts off with some poor gas coverage, but smooths out...

What the hell am I doing wrong? These stubby gas lenses with pyrex cups dont work at all. https://www.youtube.com/watch?v=evtjPbkEJow Its like there is zero gas going through, but when I test them for leaks and gas flow there doesnt seem to be anything wrong. Cant figure it out! I feel like im eithe...