I am thinking about making (having made) arrow inserts that are longer than the 100 grain inserts we all commonly use. I am doing this because to improve the damage resistance on the end of the shaft when impacting solid items. To better transfer stress I am designing the insert with a taper of the inner wall (not the outer that contacts the inner wall of the shaft) so the stress is more gradually transferred to the shaft HOPEFULLY improving damage resistance. I plan on gluing the inserts in this a glue called Plexus. It is an adhesive that sets in 45 minutes we use for boat building that remains somewhat flexible, is waterproof, and bonds extreamly well.
I would love any and all input, positive or negative....