Originally Posted by
OHbowhntr
Dave,
Actually, OnTarget2 is a great program and it's pretty easy to use. You can get a FREE DOWNLOAD to use for 2 weeks from
www.pinwheelsoftware.com and toy with it to see if you like it, before you have to buy it. Check it out, it's a pretty cool program for drawing trajectories, spining arrows, and such. Well worth the $20 I spent for my own personal uses alone.
Archers Advantage is MUCH more user friendly to use and I have used them both.
www.archersadvantage.com
Dryridge,actually if looking at Easton or Beman arrows,they will say what spine they are,usually 500,400,340,300.They have it right on the arrow.They even have some other shafts that have a much wider range of spine selections.
Carbon Express uses their own terminology.My program list what spine they are but not sure where else you can find that info.
Goldtip uses the 45/60 type labeling but that is LESS THAN ACCURATE.You can go to their website and find what the rated spine deflection is but their charts are way off because of how they label their shafts.
With the WIDE range of efficiency (250 fps ibo-360 fps ibo)from todays bows,a chart won't get it done anymore.You either need years of experience with spine deflections or a program(or both) to figure out what spine deflection is needed.