The other factor here is longbows tend to be more efficient with heavier arrows. Often times when chasing speed with lighter arrows, noise and shootability issues tend to be more common in longbows. Hand shock, vibrations and excessive noise are often reduced by going to heavier arrows. Another thing I've noticed with wood vs. carbon vs. aluminum arrows is that recurves have enough mass in the riser that I can't tell much difference in arrow material. With the low mass in the longbow risers, it makes a very noticeable difference. I can't stand aluminum arrows in longbows - harsh shooting (noise and vibration). Carbon is much better in that regard, however good wood arrows properly matched to the bow are the nicest shooting bar none. Noticeably less noise and vibration - I've been making my own wood arrows for 40 years and have been shooting more carbons in recent years. I'm more consistent with carbon, but wood is more enjoyable to shoot.
