Wouldn't figure you'd look like that, Steve.
Engineers tend to be a little eccentric, tend to wear eye glasses, are very bright people, and live happy semi-retired lives.
Here in a bit I'll post some pics of the 397 exhaust valve and a video of some chrony work. Can't figure out how to get pictures off of the new phone I got (Blackberry Curve). Suppose smart phones are for smart people afterall. Huh, who would have thought. The video can be done via my laptop. Getting things set up now.
Oh, you will like this. After some work, using the stock piston travel, the gun is putting out in the high 480's as of right now. After the telescopic piston is made to travel the additional couple inches,I suspect things will be in proper order. Blah!!
Figure to be fair, first it must be tried to get some high figures using the stock piston travel. With the current setup, the piston cup conical void is acting as the storage vessel.
"The majority of things in our lives are created by folks no smarter than the rest. Afterall, the world is comprised, and operated by C average people intellctually, academically, and morally. These people are often the great pioneers that set the precedent for what excellence should be."