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  1. tdstegner

    Tuning HUMA Regulator on Diana Stormriders - not working?

    I really need a dunce cap. When I disassembled the rifle, I noticed the o-ring on the regulator end of the plenum was missing. (probably fell off when I pulled the regulator to adjust it). With the O-ring missing, the regulator is just bypassed.
  2. tdstegner

    Tuning HUMA Regulator on Diana Stormriders - not working?

    As near as I can tell from the installation instructions, the stormrider doesn't require drilling holes.
  3. tdstegner

    Tuning HUMA Regulator on Diana Stormriders - not working?

    As near as I can tell from the installation instructions, the stormrider doesn't require drilling holes.
  4. tdstegner

    Tuning HUMA Regulator on Diana Stormriders - not working?

    Thanks. That's a thought. I'll check with the install instructions to see if I missed something.
  5. tdstegner

    Tuning HUMA Regulator on Diana Stormriders - not working?

    I've adjusted both down to about 110 bar, but careful to not go to stops. BTW, adjusting down did not seem to have much, if any, effect.
  6. tdstegner

    Tuning HUMA Regulator on Diana Stormriders - not working?

    I have two stormriders, a .177 and a .22, as project guns. Put HUMA regulators in both and neither is working correctly. The shot strings seems to be exactly the same as when unregulated. They start out ~920 fps, climb some to ~960, then begin a pretty uniform drop off over the next 30, or so...