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Messing around on Archery Advantage arrow builder page and its telling me my current arrows are Too Weak. Shoot a Hoyt Ventum 33, 28.5” draw, 63lbs, 29” Easton 6.5 carbons, 125 grain point, Easton nock, 3 blazers & 4” arrow wrap. Total weight = 450 grains.
I’ve always thought they shot ok & have used them for years. Do I need to worry about this? Can I change something to continue to use these arrows or do I need to start over???
If works for you I’d not worry about it. With that said if you don’t want to switch arrows but stiff in them up. Three things I can think of. One I’d think you probably could shorten them by a inch- inch and a half. Not sure how much difference that would make but could run through your software. Two go to a 100 grain tip/broadhead. Three lower your poundage.
Yes, 340 spine. Sorry I forgot that.
Cut 1.5" off the front and glue new inserts in. There's really no "need" to have shafts longer than your DL.
There is - to clear a gloved hand better when using fixed BH's.
If you are happy with the current result, leave it alone. If you are having issues with tune, let's fix it.
Pretty close to my specs and 340’s are great. 29” draw and 65 pounds. My arrows are longer but I also have a 1” footing.
The charts are just a guide - the real test is arrow flight. Assuming that your rest is on center, try shooting your arrow thru paper (bareshaft at 5 paces). If you have a tail right tear then your arrow is underspined. (assuming you’re RH). This could be remedied by reducing tip weight, reducing draw weight, shortening arrow … or starting over with stiffer shafts. Given the numbers you have shared, i would think you’re on the fence between 340 and 300 as the proper spine for you.
Tinker with it - try shooting various tip weights. Depending on your hunting style, a heavier total arrow weight would not be a bad thing. Personally, I would go to stiffer shafts before I would consider lighter points or reduced draw-weight. I am 70lb/29” and working on new arrows right now - 250 spine with 60 grain insets and 125 fixed blades. They are just over 550 grains and fly like darts!
Having an arrow that leaves the bow true is a thing of beauty, and a great place to be when it’s time for broadheads.