Zwickeys and Woods problem

[longstick]

I placed some Zwickey 125 gr 2 blades on some of my woodies and they seem to want to quickly dip slightly low from 15 yds..whats the deal? Am I underspined or the nock not set right?

[Dave Lay]

to me it sounds like a spine issue, are they spinning true??

[longstick]

They spin true and dont porpoise any..was wondering if a slightly bent shaft could cause much problem..was thinking was my form but that wasnt it

[SuperK]

I'm with Dave, sounds like a spine issue to me.  I have experienced the same thing when I tried some 160gr. bhs. on some shafts that fly perfect with 145gr. bhs.  The arrows were doing the same thing you describe.  Went back to the lighter bhs. and it cleared it right up.  Think about it, if you shoot your bow right-handed and cant the bow, an underspined arrow will "tail kick" up.  If you hold the bow straight up-and-down, the arrow would "tail kick" to the left.

[longstick]

It was the spine..put them on a diffeent set of POC and theyre shooting great!