- Thread Starter
- #61
jlw0142
Lil-Rokslider
- Joined
- Feb 6, 2023
- Messages
- 224
It wasn’t mentioned here much and i think it’s worth mentioning before you jump to 4mm shafts. Beendare hit on something with 5mm and 6mm. I’ve gone full circle after a bad experience with 4mm and high FOC once on a deer and then on a nice bull at close range. That is basically the phenomena of the fact that a smaller diameter shaft (4mm) with thicker walls takes longer to recover in flight than a larger diameter (6mm or .243) thinner walled shaft. You can google this or catch the guy from Firenock (Dorge) on a few podcasts. There is a bunch of physics behind it, but at about 15-20 yards the larger diameter shaft has recovered to straight flight where the thinner shaft is still influenced by archers paradox and recovering. Straight flight = maximum penetration. Now follow the trend of putting lots of weight up front and this is even more exaggerated. Think of it like a fish swimming and the arrow shaft going back and forth on more than one axis.
I understand the possible small benefits of less wind drift with 4mm but it’s not worth the headaches of outserts, halfouts and concentric concerns. I think I’ve found a happy medium in 6mm without the hassle of HIT inserts and collars or half outs that really have other baggage, but at least go 5mm (RIP, Axis) If you want smaller diameter. It worth looking at a 300 spine axis next to a 6mm Sonic and asking yourself if that outside diameter is really that different. It’s a big rabbit hole.
Thanks man, there’s a lot of great info here. I will definitely look into the 5 and 6mm. I think you’re right in that the tradeoffs are probably not worth it with the 4mms.
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