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| Originally Posted by druid .
2. I must respectfully disagree but you need to take into consideration, the amount of porting in - and the length of - a particular barrel to make the statement you did. A 14" barrel with only a bit of porting or muzzle "flash" ports will have little to no difference - there I agree. However in barrels that have a large quantity of porting in 3 or 4 rows and to at least half the barrel, requires more air source (HPA) to keep up the fps in the barrel. When the ball passes the first rows of porting, the air is starting to be bled out. That means the ball starts to slow from drag in the bore. Eliminating the porting means more air stays behind the ball longer and thus, can be tuned a bit lower than a barrel with a lot of porting. We aren't talking a lot of air...perhaps only a few psi at best...but a few psi times 1000 paintballs can be a lot.
3. I agree with the Palmers but not necessarily with the LP kit. The general principle behind an LP kit is "lower pressure but more volume." Some people (not me) say that these facts cancel each other out but I haven't done it to a tippmann so I can't speak to their behaviors. I have made LP Spyders that DID get better shots-per-tank...but we're only talking a few pods at best.
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its the tests i have done with barrels porting all the way end to end i seen now more air consumption than the same sized barrel with no porting, if you think about it when the the marker fires, all the air that is used is used the valve doesnt stay open longer to push that ball out, the only difference i seen was in sound.mmmmmmm
and on the Lp kit, i have seen a friend use one on a 98 and he increased shots per tank , as you just said you did too with a sypder, i havent tried a lp kit on a a-5 as well, but why would a lp kit work on a 98 custom and your spyder and not on a a-5?mmmmmmm