Quote:
Originally Posted by juicy
Question - heavier floating valves theoretically increase cool down/increase gas consumption, correct?
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Yes, that's the theory. Hard to prove, though. Differences would be minimal. If it were that important, then I wouldn't upgrade to the metal ones at all, and just stick with the plastic one as it's much lighter.
Quote:
Originally Posted by juicy
Does it matter that they don't always increase FPS as advertised (ILLusion posted something about the Action valve actually decreasing muzzle velocity, but making for a more consistent chrono reading string)?
Was thinking I should get one for my 1911, but if it does negatively increase gas usage, I should probably stay away from them.
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I'd suggest you re-read what I'd originally posted, or if you're not going to paraphrase it accurately, then please quote it in or point a link directly to where I'd stated this. I don't recall ever saying this. The information I'd posted was a very small and quick quantitative sample, quickly done to disprove the claims of the review. Looking at the sample size, you can tell that it was a quick and dirty job that proved a point, but was not, a true test of performance of this particular product. In fact, the numbers were so close, that I'd say the point was moot (but you can note that the number averages showed that the Action bulb INCREASED power, versus what you're saying about it decreasing.)
If I were to do that test for real, I'd control more variables, particularly with the power source. I'd hook in an external air tank to stabilize the pressure and to rule out a huge variable: filling propane in to the small capacity of our pistol magazines. But that's beside the point. The numbers still showed that on average, the Action valve provided a very minimal increase in FPS.