Originally Posted by
severnsider
I posted my findings on this a year or so ago. I have three Theoben 'rammers', all of which will push a pellet out at a greater velocity when the action has been cocked quickly than when the action has been cocked slowly. The difference is noticeable........ so noticeable that I gave some thought to charging the rams with nitrogen rather than air. Never did try it though, and I have no idea why this effect occurs. The volume of gas is, after all, rather small.
Blackbeard on here may recall the exchange of correspondence.