Point weight changing spine of an arrow?

[bowstalker210]

I recently read that changing the weight of your arrow point can change the spine of your arrows. So to play around a bit I changed my 125gr field points to 100gr and they hit to the right of the aiming point. So with that said, did I decrease or increase my spine? I looked up the broadhead tuning chart but not sure if that applies to field points. My setup is a vector turbo, 29/70, shooting an Easton Axis 340 cut to 28in. The only reason I ask is cause it was recommended to me that since I shoot a "speed" bow that I might need a stiffer spine. Any input/help would be appreciated, thanks.

[whitetailtrail]

When you go lighter in tip weight, you increase the stiffness of your arrow. More tip weight decreases stiffness.

[JAGR]

When you go lighter in tip weight, you increase the stiffness of your arrow. More tip weight decreases stiffness.

This. Tip weight includes your nock as well.

[bowhuntntxn]

Adding weight to the front of your arrow weakens the spine. Adding weight to the back(wraps, lighted nocks, larger vanes) increases the spine.

I bet if you put a lighted nock in your arrow, it would go right back to normal, or very very close!

[bowstalker210]

Thanks guys