G'day all, I'm seeking advice on a problem with this bow. 2004 PSE Primos STL, 60#, 28", PSE Raptor prong-type rest, TRU-Ball release, 29" Easton Axis 340 Full Metal Jacket arrows. Hope that's enough info for starters.
I'm trying to be self-sufficient with the tuning and maintenance of this bow. For one thing, I live over an hour's drive from the nearest archery shop, and for another, the guys in the shop pay virtually no attention to any adjustments to the bow whenever I take it in there. Seems like they can't be bothered because I'm not a competition shooter. Frustrates the heck out of me, cos I've spent what I would consider to be a large amount of money with them, but I don't have enough knowledge to refute their claims of 'yeah, should be about right like that' with everything. When I bought the bow, the arrowrest was fitted to it straight out of the box, no adjustments made, "should be about right". I had a bus cable replaced a while ago due to a frayed end. I suggested that perhaps the Ato A and brace height might need adjustment as it had done about 12 months work since new. "Oh, it won't have moved much". Sorry for the rant, but like I said, it frustrates the heck out of me.
This forum has been a goldmine of knowledge thus far, so i'm hoping I can sort out what's up now. I've been trying to set up the centre-shot and nock height by paper tuning with a bare shaft. I have the centre shot pretty good, but to get anywhere near a bullet hole vertically, I'm finding I have the arrow pointing upwards when nocked at about a 10 degree angle, i.e. the nock point is nearly half an inch below the rest. Surely that can't be right? I decided I should start again with the rest adjusted so that the arrow sits at the same height as the bolt hole in the riser, and the nock point set just slightly higher than the rest. I get a huge vertical tear, and when i shoot a bare shaft from about 10 yards, it just about does cartwheels- ends up stuck in my foam target at about a 45 degree angle upwards.
Would all this be caused by the AtoA being way off? Or something else being way off? Can anyone tell me what the brace height and AtoA should be for this bow, and how to adjust them? Any other sugestions?