On the bright side, knowing why isn't necessarily any better than knowing it happens. Many sucessfull paintball guns have been built on love and pasion rather than design and technology. (Stroker, cocker, sterling)
And if you wanna know how bad "engineering" can be. Look at the PVI shocker. And the seven years of slow guns that followed it. ;-)
Just be prepared to do a lot of testing. And make sure the testing is repeatable. YOu also have the whole of AO behind you. Decades of shared experience is available to you.
To be an AGD supporter, one cannot be an AGD bigot. -Nero
Truth is a complex thing. One must govern by simplicity. -M. Mercier, special counsel to his Majesty for domestic matters. The Brotherhood of the Wolf
"You can't outrun Death forever, but you can make the bastard work for it."